/*
    GLORY BE TO GOD,
    CUSTOM - TM ~ TEACHABLE MACHINE,
    BY EMMANUEL ISRAEL MAFABI

    style.css -> Modern Charcoal Black Dark Aesthetic with Poppins & JetBrains Mono,
                 Invisible Floating Top Bar, Precision Bezier Topology, and Lower Notes Dock.
*/

:root {
    /* Obsidian Charcoal Palette Tokens */
    --bg-canvas: #0e0f13;
    --card-bg: #16171d;
    --card-bg-elevated: #1c1d25;
    --card-border: #272935;
    --card-border-hover: #3e4256;
    --card-border-dashed: #353849;
    --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.5), 0 1px 3px rgba(0, 0, 0, 0.4);
    --card-shadow-hover: 0 10px 30px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(99, 102, 241, 0.25);
    --card-shadow-dragging: 0 20px 48px rgba(0, 0, 0, 0.9), 0 0 0 1px rgba(99, 102, 241, 0.4);

    /* Text Hierarchy */
    --text-main: #f4f4f7;
    --text-body: #a1a5b8;
    --text-muted: #676c7d;
    --text-subtle: #4e5364;

    /* Tech Accents (Indigo & Violet) */
    --blue-primary: #6366f1;
    --blue-hover: #4f46e5;
    --blue-surface: rgba(99, 102, 241, 0.12);
    --blue-border: rgba(99, 102, 241, 0.3);
    --blue-light: #818cf8;
    --blue-track: #14151b;
    --accent-purple: #8b5cf6;

    /* Semantic Status */
    --danger: #f43f5e;
    --danger-surface: rgba(244, 63, 94, 0.12);
    --danger-hover: #e11d48;
    --success: #10b981;
    --success-surface: rgba(16, 185, 129, 0.12);

    /* Exact Typography Scale Classes */
    --font-top: 0.93rem;
    --font-med: 0.85rem;
    --font-sm: 0.82rem;

    /* Fonts */
    --font-main: 'Poppins', 'Google Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

/* Global Reset & No Window Scrollbars */
* {
    margin: 0;
    padding: 0;

    box-sizing: border-box;
}

html, body {
    background-color: var(--bg-canvas);

    color: var(--text-body);
    font-family: var(--font-main);
    font-size: var(--font-med);
    line-height: 1.4;

    width: 100vw;
    height: 100vh;
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Remove native number input spin buttons */
input[type=number]::-webkit-outer-spin-button,
input[type=number]::-webkit-inner-spin-button {
    -webkit-appearance: none;

    margin: 0;
}
input[type=number] {
    -moz-appearance: textfield;
    appearance: textfield;
}

/* 4px Tech Violet Scrollbars for Internal Containers */
*::-webkit-scrollbar {
    width: 4px;
    height: 4px;
}
*::-webkit-scrollbar-track {
    background: var(--blue-track);

    border-radius: 4px;
}
*::-webkit-scrollbar-thumb {
    background: #36394c;

    border-radius: 4px;
}
*::-webkit-scrollbar-thumb:hover {
    background: var(--blue-primary);
}
* {
    scrollbar-width: thin;
    scrollbar-color: #36394c var(--blue-track);
}

/* ==========================================================================
   FLOATING TOP APP BAR (INVISIBLE BACKGROUND WITH SMART BLUR)
   ========================================================================== */
.app-header {
    background: transparent;

    border: none;

    display: flex;
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: 300;
    justify-content: space-between;
    align-items: flex-start;

    pointer-events: none;

    padding: 24px 36px 12px 36px;

    transition: background 0.25s ease, backdrop-filter 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;

    height: auto;
}

.app-header.scrolled {
    background: rgba(14, 15, 19, 0.85);

    border-bottom: 1px solid rgba(39, 41, 53, 0.8);

    pointer-events: auto;

    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
}

.brand-section {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;

    pointer-events: auto;
}

.product-badge {
    background: rgba(255, 255, 255, 0.05);

    border: 1px solid #282a36;
    border-radius: 4px;

    color: #9fa3af;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;

    padding: 3px 8px;
    backdrop-filter: blur(8px);
}

.brand-headline {
    color: var(--text-main);
    font-family: var(--font-main);
    font-size: 1.85rem;
    font-weight: 600;
    line-height: 1.15;
    letter-spacing: -0.025em;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 14px;

    pointer-events: auto;

    margin-top: 4px;
}

/* Webcam Toggle Switch */
.cam-toggle-wrapper {
    background: rgba(22, 23, 29, 0.85);

    border: 1px solid var(--card-border);
    border-radius: 20px;

    color: var(--text-body);
    font-size: var(--font-sm);

    display: flex;
    align-items: center;
    gap: 10px;

    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);

    padding: 6px 14px;
    backdrop-filter: blur(10px);
}

.toggle-switch {
    display: inline-block;
    position: relative;

    width: 34px;
    height: 18px;
}

.toggle-switch input {
    opacity: 0;

    width: 0;
    height: 0;
}

.toggle-slider {
    background-color: #2b2e3e;

    border-radius: 20px;

    position: absolute;
    top: 0; right: 0; bottom: 0; left: 0;

    cursor: pointer;

    transition: 0.25s;
}

.toggle-slider:before {
    background-color: #a1a5b8;

    border-radius: 50%;

    position: absolute;
    bottom: 3px;
    left: 3px;

    transition: 0.25s;

    width: 12px;
    height: 12px;
    content: "";
}

.toggle-switch input:checked + .toggle-slider {
    background-color: var(--blue-primary);

    box-shadow: 0 0 8px rgba(99, 102, 241, 0.4);
}

.toggle-switch input:checked + .toggle-slider:before {
    background-color: #ffffff;

    transform: translateX(16px);
}

.status-pill {
    background: rgba(22, 23, 29, 0.85);

    border: 1px solid var(--card-border);
    border-radius: 20px;

    color: var(--text-main);
    font-family: var(--font-mono);
    font-size: var(--font-sm);
    font-weight: 500;
    white-space: nowrap;

    display: flex;
    align-items: center;
    gap: 8px;

    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);

    padding: 6px 14px;

    transition: all 0.2s ease;

    max-width: 360px;
    backdrop-filter: blur(10px);
    overflow: hidden;
    text-overflow: ellipsis;
}

.status-dot {
    background: var(--blue-primary);

    border-radius: 50%;

    box-shadow: 0 0 8px var(--blue-primary);

    animation: statusPulse 2s infinite ease-in-out;

    width: 8px;
    height: 8px;
    flex-shrink: 0;
}

@keyframes statusPulse {
    0%, 100% { opacity: 0.6;

 transform: scale(0.9); }
    50% { opacity: 1;

 transform: scale(1.15); }
}

/* Header Session Manager Dropdown */
.session-header-wrapper {
    position: relative;
}

.session-header-btn {
    background: rgba(22, 23, 29, 0.85);

    border: 1px solid var(--card-border);
    border-radius: 20px;

    color: var(--text-main);
    font-family: var(--font-mono);
    font-size: var(--font-sm);

    display: flex;
    align-items: center;
    gap: 7px;

    cursor: pointer;

    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);

    padding: 6px 14px;

    transition: background 0.15s, border-color 0.15s, color 0.15s, box-shadow 0.15s;
    backdrop-filter: blur(10px);
}

.session-header-btn:hover,
.session-header-wrapper.open .session-header-btn {
    background: #1c1d25;

    border-color: var(--blue-primary);

    color: var(--blue-light);

    box-shadow: 0 0 12px rgba(99, 102, 241, 0.25);
}

.session-header-btn .dropdown-chevron {
    transition: transform 0.2s ease;
}

.session-header-wrapper.open .session-header-btn .dropdown-chevron {
    transform: rotate(180deg);
}

.session-dropdown-panel {
    background: #16171d;

    border: 1px solid var(--card-border);
    border-radius: 12px;

    display: flex;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    z-index: 1000;
    flex-direction: column;
    gap: 12px;

    pointer-events: none;

    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.8);
    opacity: 0;

    padding: 16px;

    transition: opacity 0.18s cubic-bezier(0.16, 1, 0.3, 1), transform 0.18s cubic-bezier(0.16, 1, 0.3, 1);
    transform: translateY(-8px);

    width: 320px;
    backdrop-filter: blur(16px);
}

.session-header-wrapper.open .session-dropdown-panel {
    pointer-events: auto;

    opacity: 1;

    transform: translateY(0);
}

.session-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.session-panel-title-group {
    color: var(--text-main);

    display: flex;
    align-items: center;
    gap: 8px;
}

.session-panel-title {
    color: var(--text-main);
    font-family: var(--font-main);
    font-size: var(--font-top);
    font-weight: 600;
}

.session-panel-badge {
    background: rgba(99, 102, 241, 0.12);

    border: 1px solid var(--blue-border);
    border-radius: 4px;

    color: var(--blue-light);
    font-family: var(--font-mono);
    font-size: 10px;

    padding: 2px 6px;
}

.session-panel-desc {
    color: var(--text-body);
    font-size: var(--font-sm);
    line-height: 1.4;
}

.session-actions-stack {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* ==========================================================================
   CRISP PAN & ZOOM CANVAS VIEWPORT (DARK CHARCOAL MATRIX)
   ========================================================================== */
.canvas-viewport {
    background-color: var(--bg-canvas);
    background-image: radial-gradient(#1f212c 1.2px, transparent 1.2px);
    background-position: 0px 0px;
    background-size: 20px 20px;

    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;

    cursor: grab;
    user-select: none;
    overflow: hidden;
}

.canvas-viewport.is-panning {
    cursor: grabbing;
}

/* World Container: Razor Sharp Vector & Font Rendering */
.canvas-world {
    position: absolute;
    top: 0;
    left: 0;

    pointer-events: auto;

    padding: 120px 60px 290px 60px;

    transform-origin: 0 0;
    transform-style: flat;
}

/* Dynamic Bezier SVG Wires Layer */
.wires-svg-layer {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;

    pointer-events: none;
    overflow: visible;

    width: 100%;
    height: 100%;
}

.node-wire {
    fill: none;
    stroke: #2a2e3f;
    stroke-width: 2.2;
    stroke-linecap: round;

    transition: stroke 0.25s, filter 0.25s;
}

.node-wire.active {
    stroke: var(--blue-light);
    stroke-width: 2.5;
    filter: drop-shadow(0 0 6px rgba(129, 140, 248, 0.65));
}

/* Nodes Board Grid / Flow */
.nodes-board {
    display: flex;
    position: relative;
    z-index: 2;
    align-items: flex-start;
    gap: 56px;

    transition: opacity 0.2s;
}

/* Training Lock State: Dims inputs during training */
.nodes-board.training-locked .class-btn,
.nodes-board.training-locked .add-class-card,
.nodes-board.training-locked .icon-btn,
.nodes-board.training-locked .sample-del-btn,
.nodes-board.training-locked .param-input,
.nodes-board.training-locked .custom-select-trigger,
.nodes-board.training-locked #btn-reset-defaults {
    pointer-events: none !important;
    cursor: not-allowed !important;

    opacity: 0.5 !important;
}

.nodes-board.training-locked .sample-del-btn {
    display: none !important;
}

/* Column Dimensions */
.classes-column {
    display: flex;
    flex-direction: column;
    gap: 16px;

    width: 440px;
    min-width: 0;
    max-width: 100%;
    flex-shrink: 0;
}

#classes-list {
    display: flex;
    flex-direction: column;
    gap: 16px;

    width: 100%;
    min-width: 0;
}

/* Node Cards */
.node-card {
    background: var(--card-bg);

    border: 1px solid var(--card-border);
    border-radius: 12px;

    position: relative;

    cursor: default;
    user-select: none;

    box-shadow: var(--card-shadow);

    padding: 18px;

    transition: box-shadow 0.2s ease, border-color 0.2s ease, transform 0.15s ease;

    min-width: 0;
    backdrop-filter: blur(8px);
}

.class-card-node {
    width: 440px;
    max-width: 100%;
}

.training-node-card {
    width: 380px;
    max-width: 100%;
    flex-shrink: 0;
}

.preview-node-card {
    width: 350px;
    max-width: 100%;
    flex-shrink: 0;
}

.node-card:hover {
    border-color: var(--card-border-hover);

    box-shadow: var(--card-shadow-hover);
}

.node-card.is-dragging {
    z-index: 150;

    box-shadow: var(--card-shadow-dragging);
    opacity: 0.95;

    transition: none !important;
}

/* Drag Handle */
.drag-handle {
    border-radius: 4px;

    color: var(--text-subtle);

    display: flex;
    align-items: center;

    cursor: grab;

    padding: 4px 6px;

    transition: color 0.15s, background 0.15s;
}

.drag-handle:hover {
    background: rgba(255, 255, 255, 0.06);

    color: var(--text-main);
}

.node-card.is-dragging .drag-handle {
    cursor: grabbing;
}

/* Card Header */
.card-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;

    margin-bottom: 10px;
}

.card-title-group {
    display: flex;
    flex: 1;
    align-items: center;
    gap: 6px;

    min-width: 0;
}

.card-title {
    background: transparent;

    border: 1px solid transparent;
    border-radius: 4px;

    color: var(--text-main);
    font-family: var(--font-main);
    font-size: var(--font-top);
    font-weight: 600;
    white-space: nowrap;

    cursor: text;
    outline: none;

    padding: 3px 6px;

    transition: border-color 0.15s, background 0.15s;
    overflow: hidden;
    text-overflow: ellipsis;
}

.card-title:focus {
    background: #1c1d25;

    border-color: var(--blue-primary);

    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.25);
}

.icon-btn {
    background: transparent;

    border: none;
    border-radius: 4px;

    color: var(--text-muted);

    display: flex;
    justify-content: center;
    align-items: center;

    cursor: pointer;

    padding: 5px;

    transition: background 0.15s, color 0.15s;
}

.icon-btn:hover {
    background: rgba(255, 255, 255, 0.06);

    color: var(--text-main);
}

/* Dropdown Menu */
.menu-dropdown {
    position: relative;
}

.dropdown-menu {
    background: #181921;

    border: 1px solid var(--card-border);
    border-radius: 8px;

    display: none;
    position: absolute;
    top: calc(100% + 4px);
    right: 0;
    z-index: 100;

    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);

    padding: 4px 0;

    animation: fadeInMenu 0.15s ease-out;

    min-width: 170px;
}

@keyframes fadeInMenu {
    from { opacity: 0;

 transform: translateY(-4px); }
    to { opacity: 1;

 transform: translateY(0); }
}

.dropdown-menu.show {
    display: block;
}

.dropdown-item {
    background: transparent;

    border: none;

    color: var(--text-body);
    font-size: var(--font-sm);
    text-align: left;

    display: flex;
    align-items: center;
    gap: 8px;

    cursor: pointer;

    padding: 8px 14px;

    transition: background 0.1s, color 0.1s;

    width: 100%;
}

.dropdown-item:hover {
    background: rgba(255, 255, 255, 0.05);

    color: var(--text-main);
}

.dropdown-item.danger {
    color: var(--danger);
}
.dropdown-item.danger:hover {
    background: var(--danger-surface);
}

/* Sample subtitle */
.samples-count-label {
    color: var(--text-muted);
    font-size: var(--font-sm);

    margin-bottom: 12px;
}

/* Class Card Actions */
.class-controls-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);

    gap: 6px;

    margin-bottom: 12px;
}

.class-btn {
    background: rgba(99, 102, 241, 0.08);

    border: 1px solid rgba(99, 102, 241, 0.22);
    border-radius: 8px;

    color: var(--blue-light);
    font-size: var(--font-sm);
    font-weight: 500;

    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 4px;

    cursor: pointer;
    user-select: none;

    padding: 7px 4px;

    transition: background 0.15s, transform 0.08s, box-shadow 0.15s, border-color 0.15s;

    width: 100%;
    min-width: 0;
    height: 56px;
}

.class-btn svg {
    width: 17px;
    height: 17px;
    fill: currentColor;
    flex-shrink: 0;
}

.class-btn span {
    font-size: 0.8rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.class-btn:hover {
    background: rgba(99, 102, 241, 0.18);

    border-color: var(--blue-primary);

    color: #ffffff;
}

.class-btn:active {
    transform: scale(0.97);
}

.class-btn.recording {
    background: var(--danger-surface);

    border-color: var(--danger);

    color: var(--danger);

    box-shadow: 0 0 0 3px rgba(244, 63, 94, 0.25);

    animation: pulseRecording 1s infinite alternate;
}

/* Hands-Free Button Distinct Violet Theme */
.class-btn.btn-hands-free {
    background: rgba(139, 92, 246, 0.09);

    border-color: rgba(139, 92, 246, 0.25);

    color: #c4b5fd;
}

.class-btn.btn-hands-free:hover {
    background: rgba(139, 92, 246, 0.22);

    border-color: #8b5cf6;

    color: #ffffff;

    box-shadow: 0 0 12px rgba(139, 92, 246, 0.35);
}

.class-btn.btn-hands-free.active {
    background: rgba(139, 92, 246, 0.3);

    border-color: #c4b5fd;

    color: #ffffff;

    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.4);

    animation: pulseRecording 1s infinite alternate;
}

@keyframes pulseRecording {
    0% { transform: scale(0.98); }
    100% { transform: scale(1.02); }
}

/* Strictly Contained Thumbnail Strip */
.samples-strip-wrapper {
    position: relative;

    width: 100%;
    min-width: 0;
    max-width: 100%;
    overflow: hidden;
}

.samples-strip-container {
    background: #111216;

    border: 1px solid var(--card-border);
    border-radius: 8px;

    display: flex;
    align-items: center;
    gap: 6px;

    padding: 6px;

    width: 100%;
    min-width: 0;
    max-width: 100%;
    min-height: 62px;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-behavior: smooth;
    flex-wrap: nowrap;
}

.empty-samples-hint {
    color: var(--text-subtle);
    font-size: var(--font-sm);
    text-align: center;

    padding: 8px;

    width: 100%;
}

.sample-thumbnail-item {
    background: #000;

    border: 1px solid var(--card-border);
    border-radius: 6px;

    position: relative;

    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.4);

    transition: transform 0.15s, border-color 0.15s;

    width: 48px;
    height: 48px;
    flex-shrink: 0;
    overflow: hidden;
}

.sample-thumbnail-item:hover {
    border-color: var(--blue-light);

    transform: translateY(-1px);
}

.sample-thumbnail-item img {
    display: block;

    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sample-del-btn {
    background: rgba(14, 15, 19, 0.85);

    border: none;
    border-radius: 50%;

    color: #ffffff;
    font-size: 10px;
    line-height: 16px;
    text-align: center;

    position: absolute;
    top: 2px;
    right: 2px;

    cursor: pointer;

    opacity: 0;

    transition: opacity 0.15s, background 0.15s;

    width: 16px;
    height: 16px;
}

.sample-thumbnail-item:hover .sample-del-btn {
    opacity: 1;
}

.sample-del-btn:hover {
    background: var(--danger);
}

/* Dashed Add Class Card */
.add-class-card {
    background: transparent;

    border: 2px dashed var(--card-border-dashed);
    border-radius: 12px;

    color: var(--text-body);
    font-size: var(--font-med);
    font-weight: 500;

    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;

    cursor: pointer;

    padding: 14px;

    transition: background 0.2s, border-color 0.2s, color 0.2s;

    width: 440px;
    max-width: 100%;
}

.add-class-card:hover {
    background: rgba(255, 255, 255, 0.03);

    border-color: var(--blue-light);

    color: var(--blue-light);
}

/* Training Node */
.training-node-card {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.btn-primary {
    background: var(--blue-surface);

    border: 1px solid var(--blue-border);
    border-radius: 8px;

    color: var(--blue-light);
    font-family: var(--font-main);
    font-size: var(--font-top);
    font-weight: 600;
    text-align: center;

    cursor: pointer;

    padding: 10px 16px;

    transition: background 0.15s, color 0.15s, box-shadow 0.15s, border-color 0.15s;

    width: 100%;
}

.btn-primary:hover:not(:disabled) {
    background: var(--blue-primary);

    border-color: var(--blue-primary);

    color: #ffffff;

    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.45);
}

.btn-primary:disabled {
    background: #181920;

    border-color: #272935;

    color: #4e5364;

    cursor: not-allowed;
}

.btn-primary.training-active {
    background: var(--blue-primary);

    color: #ffffff;

    cursor: wait;

    animation: pulseTrain 1.2s infinite;
}

@keyframes pulseTrain {
    0% { opacity: 0.85; }
    50% { opacity: 1; }
    100% { opacity: 0.85; }
}

/* Training Progress */
.training-progress-box {
    display: none;
    flex-direction: column;
    gap: 6px;
}

.training-progress-box.show {
    display: flex;
}

.progress-track {
    background: #121318;

    border: 1px solid var(--card-border);
    border-radius: 3px;

    width: 100%;
    height: 6px;
    overflow: hidden;
}

.progress-fill {
    background: linear-gradient(90deg, #6366f1, #818cf8);

    border-radius: 3px;

    box-shadow: 0 0 8px rgba(99, 102, 241, 0.5);

    transition: width 0.12s linear;

    width: 0%;
    height: 100%;
}

.progress-info {
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: var(--font-sm);

    display: flex;
    justify-content: space-between;
}

/* Advanced Accordion */
.accordion-header {
    border-top: 1px solid var(--card-border);

    color: var(--blue-light);
    font-size: var(--font-med);
    font-weight: 500;

    display: flex;
    justify-content: space-between;
    align-items: center;

    cursor: pointer;
    user-select: none;

    padding: 8px 0;
}

.accordion-arrow {
    transition: transform 0.2s ease;
}

.accordion-arrow.collapsed {
    transform: rotate(180deg);
}

.accordion-body {
    display: flex;
    flex-direction: column;
    gap: 12px;

    padding-top: 8px;
}

.accordion-body.hidden {
    display: none;
}

/* Minimalist Clean Inputs */
.param-row {
    color: var(--text-body);
    font-size: var(--font-med);

    display: flex;
    justify-content: space-between;
    align-items: center;
}

.param-label-group {
    display: flex;
    align-items: center;
    gap: 5px;
}

.help-icon {
    border: 1px solid var(--text-subtle);
    border-radius: 50%;

    color: var(--text-subtle);
    font-size: 10px;
    line-height: 13px;
    text-align: center;

    display: inline-block;

    cursor: help;

    width: 14px;
    height: 14px;
}

.param-input {
    background: #111217;

    border: 1px solid var(--card-border);
    border-radius: 6px;

    color: var(--text-main);
    font-family: var(--font-mono);
    font-size: var(--font-med);
    font-weight: 500;
    text-align: right;

    outline: none;

    padding: 6px 10px;

    transition: border-color 0.15s, box-shadow 0.15s;

    width: 95px;
}

.param-input:focus {
    border-color: var(--blue-primary);

    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.25);
}

/* Custom Themed Dropdown (Batch Size) */
.custom-dropdown-container {
    position: relative;

    width: 95px;
}

.custom-select-trigger {
    background: #111217;

    border: 1px solid var(--card-border);
    border-radius: 6px;

    color: var(--text-main);
    font-family: var(--font-mono);
    font-size: var(--font-med);
    font-weight: 500;

    display: flex;
    justify-content: space-between;
    align-items: center;

    cursor: pointer;
    outline: none;

    padding: 6px 10px;

    transition: border-color 0.15s, box-shadow 0.15s;

    width: 100%;
}

.custom-select-trigger:focus,
.custom-dropdown-container.open .custom-select-trigger {
    border-color: var(--blue-primary);

    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.25);
}

.custom-select-options {
    background: #181921;

    border: 1px solid var(--card-border);
    border-radius: 6px;

    display: none;
    position: absolute;
    top: calc(100% + 4px);
    right: 0;
    left: 0;
    z-index: 100;

    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.6);

    padding: 2px 0;
    overflow: hidden;
}

.custom-dropdown-container.open .custom-select-options {
    display: block;

    animation: fadeInMenu 0.15s ease-out;
}

.custom-select-opt {
    color: var(--text-body);
    font-family: var(--font-mono);
    font-size: var(--font-med);
    text-align: left;

    cursor: pointer;

    padding: 6px 10px;

    transition: background 0.1s, color 0.1s;
}

.custom-select-opt:hover {
    background: var(--blue-surface);

    color: var(--blue-light);
}

.custom-select-opt.selected {
    background: rgba(99, 102, 241, 0.15);

    color: var(--blue-light);
    font-weight: 600;
}

.custom-select-options.up {
    top: auto;
    bottom: calc(100% + 4px);

    box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.7);
}

.tool-control-group .custom-dropdown-container {
    width: 100%;
}

.tool-control-group .custom-select-trigger {
    background: #111217;

    font-size: 11px;

    padding: 5px 8px;
}

.tool-control-group .custom-select-options {
    max-height: 180px;
    overflow-y: auto;
}

.tool-control-group .custom-select-opt {
    font-size: 11px;

    padding: 6px 8px;
}

/* Learning Rate Warning Pill */
.lr-warning-pill {
    background: rgba(245, 158, 11, 0.1);

    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: 6px;

    color: #f59e0b;
    font-family: var(--font-mono);
    font-size: 11px;
    line-height: 1.4;

    display: flex;
    align-items: center;
    gap: 6px;

    pointer-events: none;

    opacity: 0;

    margin-bottom: 0;
    padding: 6px 10px;

    transition: max-height 0.25s ease, opacity 0.2s ease, margin-bottom 0.25s ease;
    /* Hidden by default — JS toggles .visible */
    max-height: 0;
    overflow: hidden;
}

.lr-warning-pill.visible {
    pointer-events: auto;

    opacity: 1;

    margin-bottom: 2px;

    max-height: 60px;
}

.lr-warning-pill svg {
    flex-shrink: 0;

    opacity: 0.9;
}

.reset-row {
    border-top: 1px solid var(--card-border);

    display: flex;
    justify-content: space-between;
    align-items: center;

    padding-top: 8px;
}

.text-btn {
    background: transparent;

    border: none;
    border-radius: 4px;

    color: var(--text-muted);
    font-size: var(--font-sm);

    display: flex;
    align-items: center;
    gap: 6px;

    cursor: pointer;

    padding: 4px 6px;

    transition: color 0.15s, background 0.15s;
}

.text-btn:hover {
    background: rgba(255, 255, 255, 0.05);

    color: var(--text-main);
}

/* Real-Time "Under the Hood" Graph & Metrics */
.metrics-panel {
    background: #111217;

    border: 1px solid var(--card-border);
    border-radius: 8px;

    font-size: var(--font-sm);

    display: none;

    padding: 10px;
}

.metrics-panel.show {
    display: block;
}

.graph-legend-row {
    font-size: var(--font-sm);

    display: flex;
    justify-content: space-between;
    align-items: center;

    margin-bottom: 6px;
}

.graph-legend-tags {
    display: flex;
    align-items: center;
    gap: 12px;
}

.legend-tag {
    font-size: 11px;

    display: flex;
    align-items: center;
    gap: 4px;
}

.legend-tag .dot {
    border-radius: 50%;

    width: 7px;
    height: 7px;
}

.legend-tag.loss .dot { background: var(--blue-light);

 box-shadow: 0 0 6px var(--blue-light); }
.legend-tag.acc .dot { background: var(--success);

 box-shadow: 0 0 6px var(--success); }

/* Validation curves use ring dots (outline only) to distinguish from solid training curves */
.legend-tag.val-loss .dot {
    background: transparent;

    border: 2px solid var(--blue-light);

    box-shadow: 0 0 4px rgba(129, 140, 248, 0.5);
}
.legend-tag.val-acc .dot {
    background: transparent;

    border: 2px solid var(--success);

    box-shadow: 0 0 4px rgba(16, 185, 129, 0.5);
}

/* Validation metric summary labels — slightly muted vs training labels */
.metric-val-label {
    color: var(--text-muted);
    font-style: italic;
}


.metrics-canvas {
    background: #0d0e12;

    border: 1px solid #20222e;
    border-radius: 6px;

    display: block;

    width: 100%;
    height: 110px;
}

.metrics-summary-row {
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 11px;

    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 4px 8px;

    margin-top: 8px;
    flex-wrap: wrap;
}

/* Preview Node */
.preview-node-card {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.preview-top-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.btn-secondary {
    background: #1c1d25;

    border: 1px solid var(--card-border);
    border-radius: 6px;

    color: var(--text-main);
    font-size: var(--font-sm);
    font-weight: 500;

    display: flex;
    align-items: center;
    gap: 6px;

    cursor: pointer;

    padding: 6px 12px;

    transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.btn-secondary:hover:not(:disabled) {
    background: #242633;

    border-color: var(--card-border-hover);

    color: #ffffff;
}

.btn-secondary:disabled {
    cursor: not-allowed;

    opacity: 0.45;
}

.preview-state-empty {
    color: var(--text-muted);
    font-size: var(--font-sm);
    line-height: 1.5;
    text-align: center;

    padding: 24px 12px;
}

.preview-state-active {
    display: none;
    flex-direction: column;
    gap: 12px;
}

.preview-state-active.show {
    display: flex;
}

.webcam-viewport-box {
    background: #090a0d;

    border: 1px solid var(--card-border);
    border-radius: 8px;

    display: flex;
    position: relative;
    justify-content: center;
    align-items: center;

    width: 100%;
    aspect-ratio: 1 / 1;
    overflow: hidden;
}

.webcam-viewport-box canvas {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Predictions Confidence Bars */
.predictions-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.pred-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.pred-header {
    color: var(--text-main);
    font-size: var(--font-sm);
    font-weight: 500;

    display: flex;
    justify-content: space-between;
}

.pred-meter {
    background: #111217;

    border: 1px solid var(--card-border);
    border-radius: 4px;

    width: 100%;
    height: 14px;
    overflow: hidden;
}

.pred-bar {
    background: linear-gradient(90deg, #4f46e5, #818cf8);

    border-radius: 3px;

    box-shadow: 0 0 8px rgba(99, 102, 241, 0.35);

    transition: width 0.08s ease-out, background 0.2s ease;

    width: 0%;
    height: 100%;
}

.pred-bar.winner {
    background: linear-gradient(90deg, #059669, #10b981);

    box-shadow: 0 0 10px rgba(16, 185, 129, 0.45);
}

/* Port Anchors */
.port-anchor {
    background: #2a2e3f;

    border: 2px solid #16171d;
    border-radius: 50%;

    position: absolute;
    z-index: 10;

    box-shadow: 0 0 4px rgba(0, 0, 0, 0.6);

    transition: background 0.2s, transform 0.2s, box-shadow 0.2s;

    width: 10px;
    height: 10px;
}

.port-anchor.output {
    top: 50%;
    right: -6px;

    transform: translateY(-50%);
}

.port-anchor.input {
    top: 50%;
    left: -6px;

    transform: translateY(-50%);
}

.port-anchor.active {
    background: var(--blue-light);

    border-color: #ffffff;

    box-shadow: 0 0 8px var(--blue-light);

    transform: translateY(-50%) scale(1.25);
}

/* ==========================================================================
   FLOATING CANVAS ZOOM & PAN CONTROLS
   ========================================================================== */
.floating-zoom-toolbar {
    background: rgba(22, 23, 29, 0.9);

    border: 1px solid var(--card-border);
    border-radius: 8px;

    display: flex;
    position: fixed;
    bottom: 300px;
    left: 36px;
    z-index: 210;
    align-items: center;
    gap: 4px;

    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);

    padding: 4px 6px;

    transition: bottom 0.28s cubic-bezier(0.16, 1, 0.3, 1);
    backdrop-filter: blur(10px);
}

.notes-dock.collapsed ~ .floating-zoom-toolbar,
body.notes-collapsed .floating-zoom-toolbar {
    bottom: 46px;
}

.zoom-btn {
    background: transparent;

    border: none;
    border-radius: 4px;

    color: var(--text-body);
    font-size: var(--font-sm);
    font-weight: 500;

    display: flex;
    justify-content: center;
    align-items: center;

    cursor: pointer;

    padding: 6px 8px;

    transition: background 0.15s, color 0.15s;
}

.zoom-btn:hover {
    background: rgba(255, 255, 255, 0.06);

    color: var(--text-main);
}

.zoom-label {
    color: var(--text-main);
    font-family: var(--font-mono);
    font-size: var(--font-sm);
    font-weight: 600;
    text-align: center;

    cursor: pointer;

    padding: 0 6px;

    min-width: 48px;
}

.zoom-separator {
    background: var(--card-border);

    margin: 0 2px;

    width: 1px;
    height: 16px;
}

/* ==========================================================================
   LOWER STUDIO TOOLBELT & MISSION CONTROL DOCK
   ========================================================================== */
.notes-dock {
    background: linear-gradient(180deg, rgba(14, 15, 19, 0) 0%, rgba(14, 15, 19, 0.94) 14%, rgba(14, 15, 19, 0.99) 100%);

    border-top: 1px solid rgba(39, 41, 53, 0.75);

    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 200;

    pointer-events: auto;

    transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
    backdrop-filter: blur(16px);
}

.notes-dock.collapsed {
    transform: translateY(calc(100% - 34px));
}

.notes-dock-header {
    display: flex;
    justify-content: space-between;
    align-items: center;

    padding: 8px 36px 4px 36px;
}

.dock-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.notes-dock-caption {
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.dock-status-tag {
    background: rgba(99, 102, 241, 0.1);

    border: 1px solid rgba(99, 102, 241, 0.25);
    border-radius: 4px;

    color: var(--blue-light);
    font-family: var(--font-mono);
    font-size: 10px;

    padding: 2px 7px;
}

.notes-toggle-btn {
    background: transparent;

    border: none;
    border-radius: 4px;

    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 11px;

    display: flex;
    align-items: center;
    gap: 6px;

    cursor: pointer;

    padding: 4px 8px;

    transition: color 0.15s, background 0.15s;
}

.notes-toggle-btn:hover {
    background: rgba(255, 255, 255, 0.06);

    color: var(--text-main);
}

.notes-dock-body {
    display: grid;
    gap: 20px;

    margin: 0 auto;
    padding: 10px 36px 14px 36px;

    max-width: 1560px;
    grid-template-columns: 270px 1.3fr 1fr;
}

/* Studio Overview & Telemetry */
.notes-features-column {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.notes-column-title {
    color: var(--text-main);
    font-family: var(--font-main);
    font-size: var(--font-top);
    font-weight: 600;

    margin-bottom: 2px;
}

.studio-stat-row {
    color: var(--text-muted);
    font-size: var(--font-sm);

    display: flex;
    justify-content: space-between;
}

.stat-label {
    color: var(--text-muted);
}

.stat-val {
    color: var(--text-main);
    font-family: var(--font-mono);
    font-weight: 500;
}

.stat-val.highlight {
    color: var(--blue-light);
}

.studio-shortcuts-box {
    background: #111217;

    border: 1px solid var(--card-border);
    border-radius: 6px;

    margin-top: 6px;
    padding: 8px 10px;
}

.shortcuts-title {
    color: var(--text-subtle);
    font-family: var(--font-mono);
    font-size: 10px;
    text-transform: uppercase;

    display: block;

    margin-bottom: 4px;
}

.shortcuts-list {
    color: var(--text-muted);
    font-size: 11px;

    display: flex;
    flex-direction: column;
    gap: 3px;
    list-style: none;
}

.shortcuts-list code {
    background: rgba(255, 255, 255, 0.06);

    border-radius: 3px;

    color: var(--text-main);
    font-family: var(--font-mono);

    padding: 1px 4px;
}

/* Tool Cards */
.tool-card {
    background: var(--card-bg);

    border: 1px solid var(--card-border);
    border-radius: 10px;

    display: flex;
    flex-direction: column;
    gap: 8px;

    box-shadow: var(--card-shadow);

    padding: 16px 18px;

    transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;

    min-height: 200px;
}

.tool-card:hover {
    border-color: var(--card-border-hover);

    box-shadow: var(--card-shadow-hover);
}

.tool-card-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.tool-title-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.tool-icon {
    color: var(--blue-light);
}

.tool-card-title {
    color: var(--text-main);
    font-family: var(--font-main);
    font-size: var(--font-top);
    font-weight: 600;
}

.tool-badge {
    background: rgba(255, 255, 255, 0.05);

    border: 1px solid var(--card-border);
    border-radius: 4px;

    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 10px;

    padding: 2px 6px;
}

.tool-card-desc {
    color: var(--text-body);
    font-size: var(--font-sm);
    line-height: 1.4;
}

.tool-controls-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);

    gap: 8px;
}

.capture-hint-pill {
    background: #111217;

    border: 1px solid var(--card-border);
    border-radius: 6px;

    color: var(--text-muted);
    font-size: 11px;

    display: flex;
    align-items: center;
    gap: 7px;

    margin-top: auto;
    padding: 8px 10px;
}

.capture-hint-pill svg {
    color: var(--blue-light);
    flex-shrink: 0;
}

.capture-hint-pill strong {
    color: #c4b5fd;
}

.capture-hint-pill kbd {
    background: rgba(255, 255, 255, 0.08);

    border: 1px solid var(--card-border);
    border-radius: 3px;

    color: var(--text-main);
    font-family: var(--font-mono);
    font-size: 10px;

    padding: 1px 4px;
}

.tool-control-group {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.tool-control-group label {
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 10px;
    text-transform: uppercase;
}

.tool-select {
    background: #111217;

    border: 1px solid var(--card-border);
    border-radius: 6px;

    color: var(--text-main);
    font-family: var(--font-mono);
    font-size: 11px;

    cursor: pointer;
    outline: none;

    padding: 5px 8px;
}

.tool-select:focus {
    border-color: var(--blue-primary);
}

.tool-action-btn {
    border: 1px solid transparent;
    border-radius: 6px;

    font-family: var(--font-main);
    font-size: var(--font-sm);
    font-weight: 600;

    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;

    cursor: pointer;

    padding: 8px 12px;

    transition: background 0.15s, color 0.15s, box-shadow 0.15s, border-color 0.15s;
}

.tool-action-btn.primary {
    background: var(--blue-surface);

    border-color: var(--blue-border);

    color: var(--blue-light);

    margin-top: auto;
}

.tool-action-btn.primary:hover {
    background: var(--blue-primary);

    color: #ffffff;

    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
}

.tool-action-btn.secondary {
    background: #111217;

    border-color: var(--card-border);

    color: var(--text-body);
}

.tool-action-btn.secondary:hover {
    background: #1e202a;

    border-color: var(--card-border-hover);

    color: var(--text-main);
}

.session-actions-stack {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.session-info-pill {
    background: #111217;

    border: 1px solid var(--card-border);
    border-radius: 4px;

    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 11px;

    display: flex;
    align-items: center;
    gap: 6px;

    margin-top: auto;
    padding: 5px 8px;
}

.session-info-pill .dot {
    background: var(--blue-light);

    border-radius: 50%;

    width: 6px;
    height: 6px;
}

.dataset-bars-container {
    display: flex;
    flex-direction: column;
    gap: 6px;

    padding-right: 2px;

    max-height: 68px;
    overflow-y: auto;
}

.dataset-bar-row {
    font-family: var(--font-mono);
    font-size: 11px;

    display: flex;
    align-items: center;
    gap: 8px;
}

.dataset-bar-label {
    color: var(--text-body);
    white-space: nowrap;

    min-width: 60px;
    max-width: 88px;
    overflow: hidden;
    text-overflow: ellipsis;
    flex-shrink: 0;
}

.dataset-bar-track {
    background: #111217;

    border: 1px solid var(--card-border);
    border-radius: 3px;

    flex: 1;

    height: 6px;
    overflow: hidden;
}

.dataset-bar-fill {
    background: var(--blue-light);

    border-radius: 3px;

    transition: width 0.2s ease;

    height: 100%;
}

.dataset-bar-count {
    color: var(--text-muted);
    text-align: right;

    width: 32px;
}

.dataset-quick-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;

    margin-top: auto;
    padding-top: 4px;
}

/* Creator Annotation & Signature Bar */
/* Radial fade separator instead of plain border */
.dock-footer-signature {
    color: var(--text-muted);
    font-size: 11px;

    display: flex;
    position: relative;
    justify-content: space-between;
    align-items: center;
    gap: 12px;

    margin: 0 auto;
    padding: 7px 36px 9px 36px;

    max-width: 1560px;
}

.dock-footer-signature::before {
    background: radial-gradient(
        ellipse at center,
        rgba(99, 102, 241, 0.35) 0%,
        rgba(39, 41, 53, 0.18) 70%,
        transparent 100%
    );

    position: absolute;
    top: 0;
    right: 8%;
    left: 8%;

    height: 1px;
    content: '';
}

/* Left credit span */
.signature-credit {
    line-height: 1.6;
    letter-spacing: 0.01em;

    display: flex;
    align-items: center;
    gap: 5px;
    flex-wrap: wrap;
}

.signature-credit strong {
    background: linear-gradient(90deg, #e2e8f0 0%, #a5b4fc 60%, #818cf8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;

    background-clip: text;

    font-weight: 600;
}

/* Pulsing heart */
.signature-heart {
    color: #f43f5e;

    display: inline-block;

    animation: heartbeat 1.6s ease-in-out infinite;
    -webkit-text-fill-color: #f43f5e;
    filter: drop-shadow(0 0 4px rgba(244, 63, 94, 0.5));
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1);   filter: drop-shadow(0 0 3px rgba(244, 63, 94, 0.4)); }
    40%       { transform: scale(1.28); filter: drop-shadow(0 0 7px rgba(244, 63, 94, 0.75)); }
    60%       { transform: scale(1.15); filter: drop-shadow(0 0 5px rgba(244, 63, 94, 0.6)); }
}

/* Teachable Machine attribution link */
.signature-credit a {
    border-bottom: 1px solid rgba(129, 140, 248, 0.25);

    color: rgba(165, 180, 252, 0.75);
    text-decoration: none;

    padding-bottom: 0px;

    transition: color 0.2s ease, border-color 0.2s ease, text-shadow 0.2s ease;
}

.signature-credit a:hover {
    color: #c7d2fe;
    border-bottom-color: rgba(199, 210, 254, 0.55);

    text-shadow: 0 0 8px rgba(129, 140, 248, 0.45);
}

/* Right engine tag — glassy mono pill */
.signature-engine {
    color: rgba(148, 163, 184, 0.55);

    padding: 2px 8px;

    transition: color 0.2s ease, border-color 0.2s ease;
    flex-shrink: 0;
}

.dock-footer-signature:hover .signature-engine {
    color: rgba(148, 163, 184, 0.75);
}

/* ==========================================================================
   HANDS-FREE COUNTDOWN HUD OVERLAY
   ========================================================================== */
.countdown-hud {
    background: rgba(8, 9, 12, 0.82);

    display: none;
    position: fixed;
    inset: 0;
    z-index: 1200;
    justify-content: center;
    align-items: center;

    animation: fadeInHud 0.2s ease;
    backdrop-filter: blur(12px);
}

.countdown-hud.show {
    display: flex;
}

@keyframes fadeInHud {
    from { opacity: 0; }
    to { opacity: 1; }
}

.countdown-card {
    background: #16171d;

    border: 1px solid var(--card-border);
    border-radius: 16px;

    text-align: center;

    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;

    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(99, 102, 241, 0.3);

    padding: 32px 40px;

    width: 380px;
    max-width: 90vw;
}

.hud-top-badge {
    background: rgba(99, 102, 241, 0.12);

    border: 1px solid var(--blue-border);
    border-radius: 20px;

    color: var(--blue-light);
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;

    padding: 4px 10px;
}

.hud-counter {
    color: var(--text-main);
    font-family: var(--font-main);
    font-size: 4.5rem;
    font-weight: 700;
    line-height: 1;

    text-shadow: 0 0 24px rgba(99, 102, 241, 0.6);

    margin: 4px 0;

    transition: transform 0.1s cubic-bezier(0.16, 1, 0.3, 1);
}

.hud-counter.bursting {
    color: var(--success);
    font-size: 2rem;

    text-shadow: 0 0 24px rgba(16, 185, 129, 0.7);
}

.hud-status {
    color: var(--text-body);
    font-size: var(--font-med);
    line-height: 1.4;

    max-width: 280px;
}

.hud-progress-track {
    background: #111217;

    border: 1px solid var(--card-border);
    border-radius: 3px;

    width: 100%;
    height: 6px;
    overflow: hidden;
}

.hud-progress-bar {
    background: linear-gradient(90deg, #6366f1, #10b981);

    transition: width 0.08s linear;

    width: 0%;
    height: 100%;
}

.hud-cancel-btn {
    background: transparent;

    border: 1px solid var(--card-border);
    border-radius: 6px;

    color: var(--text-muted);
    font-size: var(--font-sm);

    cursor: pointer;

    margin-top: 4px;
    padding: 6px 16px;

    transition: background 0.15s, color 0.15s;
}

.hud-cancel-btn:hover {
    background: rgba(255, 255, 255, 0.06);

    color: var(--text-main);
}

/* ==========================================================================
   MODAL DIALOG & TOAST SYSTEM
   ========================================================================== */
.modal-backdrop {
    background: rgba(8, 9, 12, 0.7);

    display: flex;
    position: fixed;
    inset: 0;
    z-index: 1000;
    justify-content: center;
    align-items: center;

    pointer-events: none;

    opacity: 0;

    transition: opacity 0.2s ease;
    backdrop-filter: blur(8px);
}

.modal-backdrop.show {
    pointer-events: auto;

    opacity: 1;
}

.modal-card {
    background: #16171d;

    border: 1px solid var(--card-border);
    border-radius: 12px;

    display: flex;
    flex-direction: column;
    gap: 16px;

    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.75);

    padding: 24px;

    transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    transform: scale(0.95);

    width: 400px;
    max-width: 90vw;
}

.modal-backdrop.show .modal-card {
    transform: scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal-icon-badge {
    background: var(--blue-surface);

    border-radius: 50%;

    color: var(--blue-light);

    display: flex;
    justify-content: center;
    align-items: center;

    width: 32px;
    height: 32px;
    flex-shrink: 0;
}

.modal-icon-badge.danger {
    background: var(--danger-surface);

    color: var(--danger);
}

.modal-title {
    color: var(--text-main);
    font-family: var(--font-main);
    font-size: var(--font-top);
    font-weight: 600;
}

.modal-body {
    color: var(--text-body);
    font-size: var(--font-med);
    line-height: 1.5;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 10px;

    margin-top: 8px;
}

.modal-btn {
    border: 1px solid transparent;
    border-radius: 6px;

    font-size: var(--font-med);
    font-weight: 500;

    cursor: pointer;

    padding: 8px 16px;

    transition: background 0.15s, color 0.15s;
}

.modal-btn.cancel {
    background: #1c1d25;

    border-color: var(--card-border);

    color: var(--text-body);
}

.modal-btn.cancel:hover {
    background: #242633;

    color: var(--text-main);
}

.modal-btn.confirm {
    background: var(--blue-primary);

    color: #ffffff;
}

.modal-btn.confirm:hover {
    background: var(--blue-hover);
}

.modal-btn.confirm.danger {
    background: var(--danger);

    color: #ffffff;
}

.modal-btn.confirm.danger:hover {
    background: var(--danger-hover);
}

/* Toast Notifications */
.toast-container {
    display: flex;
    position: fixed;
    right: 36px;
    bottom: 250px;
    z-index: 1100;
    flex-direction: column;
    gap: 10px;

    pointer-events: none;

    transition: bottom 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

.notes-dock.collapsed ~ .toast-container,
body.notes-collapsed .toast-container {
    bottom: 46px;
}

.toast-item {
    background: #16171d;

    border: 1px solid var(--card-border);
    border-left: 4px solid var(--blue-primary);
    border-radius: 8px;

    color: var(--text-main);
    font-size: var(--font-med);

    display: flex;
    align-items: center;
    gap: 10px;

    pointer-events: auto;

    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);

    padding: 12px 18px;

    transition: opacity 0.2s, transform 0.2s;
    animation: slideInToast 0.25s ease-out;
}

.toast-item.danger {
    border-left-color: var(--danger);
}

.toast-item.success {
    border-left-color: var(--success);
}

@keyframes slideInToast {
    from { opacity: 0;

 transform: translateX(20px); }
    to { opacity: 1;

 transform: translateX(0); }
}

/* ==========================================================================
   RESPONSIVE ADJUSTMENTS
   ========================================================================== */
@media (max-width: 1100px) {
    .notes-dock-body {
        grid-template-columns: 1fr 1fr;

        gap: 14px;
    }
}

@media (max-width: 768px) {
    .notes-dock-body {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   MOBILE & SMALL SCREEN ADVISORY OVERLAY
   ========================================================================== */
.mobile-advisory-overlay {
    background: rgba(14, 15, 19, 0.88);

    display: none;
    position: fixed;
    inset: 0;
    z-index: 99999;
    justify-content: center;
    align-items: center;

    padding: 24px;

    animation: fadeInAdvisory 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
}

.mobile-advisory-overlay.dismissed {
    display: none !important;
}

@media (max-width: 960px) {
    .mobile-advisory-overlay:not(.dismissed) {
        display: flex;
    }
}

.mobile-advisory-card {
    background: var(--card-bg-elevated);

    border: 1px solid var(--card-border-hover);
    border-radius: 16px;

    text-align: center;

    display: flex;
    position: relative;
    flex-direction: column;
    align-items: center;
    gap: 14px;

    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.85), 0 0 0 1px rgba(99, 102, 241, 0.25);

    padding: 28px 24px;

    width: 100%;
    max-width: 460px;
}

.mobile-advisory-badge {
    background: var(--blue-surface);

    border: 1px solid var(--blue-border);
    border-radius: 14px;

    color: var(--blue-light);

    display: flex;
    justify-content: center;
    align-items: center;

    margin-bottom: 2px;

    width: 52px;
    height: 52px;
}

.mobile-advisory-tag {
    background: rgba(99, 102, 241, 0.15);

    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 999px;

    color: var(--blue-light);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;

    display: inline-block;

    padding: 4px 12px;
}

.mobile-advisory-title {
    color: var(--text-main);
    font-family: var(--font-main);
    font-size: 1.15rem;
    font-weight: 600;
    line-height: 1.35;
}

.mobile-advisory-desc {
    color: var(--text-body);
    font-size: var(--font-med);
    line-height: 1.55;

    margin-bottom: 4px;
}

.mobile-advisory-tips {
    background: var(--bg-canvas);

    border: 1px solid var(--card-border);
    border-radius: 10px;

    text-align: left;

    display: flex;
    flex-direction: column;
    gap: 10px;

    padding: 12px 14px;

    width: 100%;
}

.tip-row {
    color: var(--text-muted);
    font-size: 0.8rem;
    line-height: 1.45;

    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.tip-row svg {
    color: var(--blue-light);
    flex-shrink: 0;

    margin-top: 2px;
}

.tip-row strong {
    color: var(--text-body);
}

.mobile-advisory-actions {
    margin-top: 6px;

    width: 100%;
}

.mobile-advisory-btn {
    background: var(--blue-primary);

    border: 1px solid transparent;
    border-radius: 10px;

    color: #ffffff;
    font-family: var(--font-main);
    font-size: var(--font-med);
    font-weight: 600;

    cursor: pointer;

    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);

    padding: 12px 20px;

    transition: background 0.18s ease, transform 0.15s ease, box-shadow 0.18s ease;

    width: 100%;
}

.mobile-advisory-btn:hover {
    background: var(--blue-hover);

    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);

    transform: translateY(-1px);
}

.mobile-advisory-btn:active {
    transform: translateY(0);
}

@keyframes fadeInAdvisory {
    from {
        opacity: 0;

        transform: scale(0.96);
    }
    to {
        opacity: 1;

        transform: scale(1);
    }
}