/* ===================================================================
   DOT MEDITATION — STYLESHEET
   Three themes: Dark (default), Light, Ink & Paper
   =================================================================== */

/* --- Theme: Dark (Default) --- */
:root {
    --bg-color: #050505;
    --bg-secondary: #0a0a0a;
    --card-bg: #0a0a0a;
    --card-border: #1a1a1a;
    --text-primary: #f0f0f0;
    --text-secondary: #888;
    --accent: #ffffff;
    --accent-dim: #333;
    --gold: #D4AF37;
    --danger: #8b0000;
    --danger-light: #a30000;
    --shape-stroke: #ffffff;
    --shape-fill: none;
    --dot-fill: #ffffff;
    --practice-bg: #000000;
    --overlay-bg: rgba(0, 0, 0, 0.92);
    --modal-bg: #0a0a0a;
    --modal-border: var(--danger);
    --input-bg: rgba(255, 255, 255, 0.05);
    --log-bg: #080808;
    --log-border: #111;
    --toggle-bg: var(--accent-dim);
    --btn-solid-bg: var(--text-primary);
    --btn-solid-color: var(--bg-color);
    --particle-color: rgba(255, 255, 255, 0.03);
    --ring-track: rgba(255, 255, 255, 0.08);
    --ring-fill: var(--gold);
    --shadow-color: rgba(0, 0, 0, 0.5);
    --card-shadow: none;
    --progress-bar-bg: rgba(255, 255, 255, 0.06);

    --font-heading: 'Cinzel', serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --ease-out: cubic-bezier(0.215, 0.61, 0.355, 1);
    --t-color: 0.5s ease;
}

/* --- Theme: Light (cool, clean, modern) --- */
body.theme-light {
    --bg-color: #f0f2f5;
    --bg-secondary: #e4e7ec;
    --card-bg: #ffffff;
    --card-border: #d0d5dd;
    --text-primary: #101828;
    --text-secondary: #667085;
    --accent: #101828;
    --accent-dim: #d0d5dd;
    --gold: #B8941F;
    --danger: #c62828;
    --danger-light: #e53935;
    --shape-stroke: #101828;
    --shape-fill: none;
    --dot-fill: #101828;
    --practice-bg: #f0f2f5;
    --overlay-bg: rgba(240, 242, 245, 0.96);
    --modal-bg: #ffffff;
    --modal-border: #c62828;
    --input-bg: rgba(0, 0, 0, 0.03);
    --log-bg: #f9fafb;
    --log-border: #e4e7ec;
    --toggle-bg: #d0d5dd;
    --btn-solid-bg: #101828;
    --btn-solid-color: #f0f2f5;
    --particle-color: rgba(16, 24, 40, 0.02);
    --ring-track: rgba(16, 24, 40, 0.07);
    --ring-fill: var(--gold);
    --shadow-color: rgba(16, 24, 40, 0.08);
    --card-shadow: 0 1px 3px rgba(16, 24, 40, 0.06), 0 1px 2px rgba(16, 24, 40, 0.04);
    --progress-bar-bg: rgba(0, 0, 0, 0.06);
}

/* --- Theme: Ink & Paper (warm, textured, organic) --- */
body.theme-ink {
    --bg-color: #ede8dc;
    --bg-secondary: #e3ddd0;
    --card-bg: #f7f3ea;
    --card-border: #c9bfab;
    --text-primary: #2c2416;
    --text-secondary: #7a6e5d;
    --accent: #2c2416;
    --accent-dim: #c9bfab;
    --gold: #8B7328;
    --danger: #6b2020;
    --danger-light: #8b3030;
    --shape-stroke: #2c2416;
    --shape-fill: none;
    --dot-fill: #2c2416;
    --practice-bg: #ede8dc;
    --overlay-bg: rgba(237, 232, 220, 0.96);
    --modal-bg: #f7f3ea;
    --modal-border: #6b2020;
    --input-bg: rgba(44, 36, 22, 0.04);
    --log-bg: #e8e2d5;
    --log-border: #c9bfab;
    --toggle-bg: #c9bfab;
    --btn-solid-bg: #2c2416;
    --btn-solid-color: #ede8dc;
    --particle-color: rgba(44, 36, 22, 0.04);
    --ring-track: rgba(44, 36, 22, 0.1);
    --ring-fill: var(--gold);
    --shadow-color: rgba(44, 36, 22, 0.1);
    --card-shadow: 0 1px 4px rgba(44, 36, 22, 0.08);
    --progress-bar-bg: rgba(44, 36, 22, 0.08);
}

/* Ink paper texture overlay — visible grain */
body.theme-ink::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9998;
    opacity: 0.5;
    background-image:
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='0.06'/%3E%3C/svg%3E");
}

/* Light theme — clean, no texture */
body.theme-light .level-card {
    box-shadow: var(--card-shadow);
    border-radius: 6px;
}

/* Ink theme — slightly rough edges */
body.theme-ink .level-card {
    box-shadow: var(--card-shadow);
    border-style: solid;
}

/* ===================================================================
   GLOBAL SMOOTH TRANSITIONS — prevents choppiness
   =================================================================== */
*,
*::before,
*::after {
    transition-property: background-color, color, border-color, box-shadow, opacity, fill, stroke;
    transition-duration: 0.45s;
    transition-timing-function: ease;
}

/* Opt-out for elements that need different transitions */
button,
.btn-ghost,
.btn-solid,
.btn-gold,
.btn-danger,
.btn-red,
.level-card,
.level-card::before,
.toggle-slider,
.toggle-slider::before,
.view,
.modal,
.theme-toggle,
.elapsed-timer {
    transition: all 0.3s var(--ease-out);
}

/* ===================================================================
   CUSTOM SCROLLBAR
   =================================================================== */
/* WebKit (Chrome, Edge, Safari) */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

::-webkit-scrollbar-corner {
    background: transparent;
}

/* Light theme scrollbar */
.theme-light ::-webkit-scrollbar-thumb {
    background: rgba(16, 24, 40, 0.15);
}

.theme-light ::-webkit-scrollbar-thumb:hover {
    background: rgba(16, 24, 40, 0.3);
}

/* Ink theme scrollbar */
.theme-ink ::-webkit-scrollbar-thumb {
    background: rgba(44, 36, 22, 0.2);
}

.theme-ink ::-webkit-scrollbar-thumb:hover {
    background: rgba(44, 36, 22, 0.4);
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
}

.theme-light * {
    scrollbar-color: rgba(16, 24, 40, 0.15) transparent;
}

.theme-ink * {
    scrollbar-color: rgba(44, 36, 22, 0.2) transparent;
}

/* ===================================================================
   BASE RESET & LAYOUT
   =================================================================== */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-body);
    height: 100vh;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background-color 0.5s ease, color 0.5s ease;
}

#app {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}

/* ===================================================================
   TYPOGRAPHY
   =================================================================== */
h1,
h2,
h3 {
    font-family: var(--font-heading);
    font-weight: 400;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    transition: color 0.5s ease;
}

p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-secondary);
    transition: color 0.5s ease;
}

.subtitle {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    margin-top: 1rem;
    letter-spacing: 0.05em;
    opacity: 0.7;
}

/* Ink theme serif text enhancement */
body.theme-ink p,
body.theme-ink .subtitle,
body.theme-ink .stat-label,
body.theme-ink .level-time,
body.theme-ink .goal-toggle-label,
body.theme-ink .log-entry {
    font-family: 'Cinzel', serif;
    letter-spacing: 0.02em;
}

/* ===================================================================
   BUTTONS
   =================================================================== */
button {
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-mono);
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    transition: all 0.3s var(--ease-out);
    padding: 1rem 2rem;
    margin-top: 1rem;
    position: relative;
    overflow: hidden;
}

button::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(128, 128, 128, 0.08);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.5s ease, height 0.5s ease, opacity 0.5s ease;
    opacity: 0;
}

button:active::after {
    width: 250px;
    height: 250px;
    opacity: 1;
}

.btn-ghost {
    border: 1px solid var(--accent-dim);
    color: var(--text-primary);
}

.btn-ghost:hover {
    border-color: var(--accent);
    background: rgba(128, 128, 128, 0.08);
}

.btn-solid {
    background: var(--btn-solid-bg);
    color: var(--btn-solid-color);
    font-weight: 600;
}

.btn-solid:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.btn-solid:active,
.btn-ghost:active,
.btn-gold:active {
    transform: scale(0.97);
}

.btn-gold {
    border: 1px solid var(--gold);
    color: var(--gold);
    margin-bottom: 1rem;
}

.btn-gold:hover {
    background: rgba(212, 175, 55, 0.1);
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.2);
}

.btn-danger {
    background: var(--danger);
    color: #fff;
    font-weight: 600;
}

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

.btn-red {
    border: 1px solid #ff4444;
    color: #ff4444;
    font-weight: 600;
}

.btn-red:hover {
    background: rgba(255, 68, 68, 0.1);
    box-shadow: 0 0 15px rgba(255, 68, 68, 0.2);
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.65rem;
    margin-top: 0;
}

.btn-text {
    color: var(--text-secondary);
    font-size: 0.75rem;
}

.btn-text:hover {
    color: var(--text-primary);
}

/* ===================================================================
   THEME TOGGLE (cycles Dark → Light → Ink)
   =================================================================== */
.theme-toggle {
    position: fixed;
    top: 2rem;
    right: 2rem;
    z-index: 1000;
    padding: 0.8rem;
    margin: 0;
    border-radius: 50%;
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--accent-dim);
    background: var(--card-bg);
    color: var(--text-primary);
    transition: all 0.35s var(--ease-out), opacity 0.5s var(--ease-out);
}

.theme-toggle:hover {
    border-color: var(--accent);
    background: rgba(128, 128, 128, 0.1);
    transform: scale(1.05);
}

.theme-toggle svg {
    transition: transform 0.5s var(--ease-out), opacity 0.3s ease;
}

.theme-toggle:active {
    transform: scale(0.95);
}

.theme-icon {
    display: none;
}

.theme-icon.active {
    display: block;
}

/* Theme label tooltip */
.theme-label {
    position: fixed;
    top: 2.2rem;
    right: 5rem;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-secondary);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
    white-space: nowrap;
}

.theme-label.show {
    opacity: 1;
}

/* ===================================================================
   CREDITS & LINKS
   =================================================================== */
.credit-link {
    color: var(--gold);
    text-decoration: none;
    font-weight: 600;
    transition: opacity 0.3s ease;
    border-bottom: 1px transparent;
}

.credit-link:hover {
    opacity: 0.8;
    text-decoration: underline;
}

.credit-footer {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    margin-top: 3rem;
    opacity: 0.6;
    text-transform: uppercase;
}

/* ===================================================================
   VIEWS & TRANSITIONS
   =================================================================== */
.view {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.6s var(--ease-out);
    padding: 2rem;
    overflow-y: auto;
    z-index: 1;
}

.view.active {
    opacity: 1;
    pointer-events: all;
    z-index: 10;
}

#view-dashboard {
    padding-top: 0;
}

.hidden {
    display: none !important;
}

.center-content {
    margin: auto;
    text-align: center;
    max-width: 600px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.text-left {
    text-align: left !important;
    align-items: flex-start !important;
}

/* ===================================================================
   INTRO / SPLASH — FAST entrance
   =================================================================== */
.intro-manifesto {
    max-width: 700px;
    position: relative;
}

.philosophy-text {
    margin: 2rem 0;
    line-height: 1.8;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.philosophy-text p {
    margin-bottom: 1.5rem;
}

/* Breathing Circle Animation */
.breathing-circle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
    border-radius: 50%;
    border: 1px solid var(--accent-dim);
    opacity: 0.15;
    animation: breathe 6s ease-in-out infinite;
    pointer-events: none;
    z-index: -1;
}

.breathing-circle:nth-child(2) {
    width: 400px;
    height: 400px;
    animation-delay: -2s;
    opacity: 0.08;
}

@keyframes breathe {

    0%,
    100% {
        transform: translate(-50%, -50%) scale(0.8);
        opacity: 0.05;
    }

    50% {
        transform: translate(-50%, -50%) scale(1.1);
        opacity: 0.15;
    }
}

/* FAST fade-in timing */
.fade-in {
    opacity: 0;
    animation: fadeIn 0.8s var(--ease-out) forwards;
}

.delay-1 {
    animation-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.6s;
}

.delay-3 {
    animation-delay: 1.0s;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===================================================================
   DASHBOARD HEADER
   =================================================================== */
.dashboard-header {
    width: 100%;
    background: var(--bg-color);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 2rem 0 1.5rem 0;
    border-bottom: 1px solid var(--accent-dim);
    margin-bottom: 3rem;
    transition: background-color 0.5s ease, border-color 0.5s ease;
}

.stats-container {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2rem;
}

.data-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    max-width: 1000px;
    margin: 1rem auto 0 auto;
    padding: 0 2rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-secondary);
}

.stat-value {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    color: var(--text-primary);
}

/* Streak display */
.streak-display {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.streak-fire {
    font-size: 1rem;
}

/* ===================================================================
   LEVEL CARDS GRID
   =================================================================== */
.levels-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    max-width: 1000px;
    width: 100%;
    margin: 0 auto;
    padding-bottom: 4rem;
}

.levels-grid::-webkit-scrollbar {
    width: 4px;
}

.levels-grid::-webkit-scrollbar-thumb {
    background: var(--accent-dim);
}

/* --- Level Cards --- */
.level-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 2.5rem 2rem 3rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: all 0.35s var(--ease-out);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.level-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border: 1px solid transparent;
    transition: all 0.35s var(--ease-out);
    pointer-events: none;
}

.level-card:hover::before {
    border-color: var(--text-primary);
    box-shadow: 0 0 20px var(--particle-color);
}

.level-card:hover:not(.locked) {
    border-color: var(--text-primary);
    transform: translateY(-4px);
    box-shadow: 0 10px 30px var(--shadow-color);
}

.level-card.locked {
    opacity: 0.4;
    cursor: not-allowed;
    filter: grayscale(100%);
}

/* Mastery badge */
.level-card.mastered::after {
    content: '✦';
    position: absolute;
    top: 0.8rem;
    right: 2.8rem;
    font-size: 0.7rem;
    color: var(--gold);
    animation: shimmerBadge 3s ease-in-out infinite;
}

@keyframes shimmerBadge {

    0%,
    100% {
        opacity: 0.5;
    }

    50% {
        opacity: 1;
        text-shadow: 0 0 8px rgba(212, 175, 55, 0.4);
    }
}

.level-number-tag {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-secondary);
    letter-spacing: 0.1em;
    opacity: 0.8;
}

.level-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.level-icon svg {
    width: 100%;
    height: 100%;
}

.level-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* Progress Ring (sits behind the icon) */
.progress-ring-wrap {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 76px;
    height: 76px;
    pointer-events: none;
}

.progress-ring-wrap svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.progress-ring-track {
    fill: none;
    stroke: var(--ring-track);
    stroke-width: 2;
}

.progress-ring-value {
    fill: none;
    stroke: var(--ring-fill);
    stroke-width: 2.5;
    stroke-linecap: round;
    transition: stroke-dashoffset 0.8s var(--ease-out);
}

.level-info h3 {
    font-size: 0.95rem;
    margin-bottom: 0.3rem;
}

.level-time {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* --- Card-Level Progress Bar --- */
.card-progress-wrap {
    width: 100%;
    margin-top: 0.8rem;
}

.card-progress-bar {
    width: 100%;
    height: 4px;
    background: var(--progress-bar-bg);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.card-progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--gold), #e8c547);
    border-radius: 2px;
    transition: width 0.8s var(--ease-out);
}

.card-progress-label {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 0.55rem;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
    margin-top: 0.3rem;
    opacity: 0.7;
}

.card-progress-wrap.hidden {
    display: none;
}

/* --- Last Practiced Badge --- */
.last-practiced {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: var(--text-secondary);
    margin-top: 0.3rem;
    opacity: 0.5;
}

.level-goal-status {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--gold);
    margin-top: 0.5rem;
    opacity: 0.8;
}

/* Manual Adjust Buttons */
.manual-adjust {
    position: absolute;
    bottom: 1rem;
    right: 1.5rem;
    display: flex;
    gap: 0.5rem;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s var(--ease-out);
}

.level-card:hover .manual-adjust {
    opacity: 1;
    transform: translateY(0);
}

.btn-adjust {
    width: 28px;
    height: 28px;
    padding: 0;
    margin: 0;
    border: 1px solid var(--accent-dim);
    color: var(--text-secondary);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1rem;
    border-radius: 4px;
}

.btn-adjust:hover {
    border-color: var(--accent);
    color: var(--text-primary);
    background: rgba(128, 128, 128, 0.1);
}

.btn-minus:hover {
    color: #ff4444;
    border-color: #ff4444;
}

.btn-plus:hover {
    color: #44ff44;
    border-color: #44ff44;
}

.btn-custom:hover {
    color: var(--gold);
    border-color: var(--gold);
}

/* Card Info Button */
.btn-card-info {
    position: absolute;
    top: 1rem;
    left: 1rem;
    width: 28px;
    height: 28px;
    padding: 0;
    margin: 0;
    border-radius: 50%;
    border: 1px solid var(--accent-dim);
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.3s var(--ease-out);
    z-index: 10;
}

.level-card:hover .btn-card-info,
.level-card:focus-within .btn-card-info {
    opacity: 1;
    transform: scale(1);
}

.btn-card-info:hover {
    border-color: var(--gold);
    color: var(--gold);
    background: rgba(212, 175, 55, 0.1);
}

.btn-card-info:active {
    transform: scale(0.95);
}

/* ===================================================================
   SESSION LOGS
   =================================================================== */
.sessions-log-container {
    max-width: 800px;
    width: 100%;
    margin: 3rem auto 0 auto;
    border-top: 1px solid var(--accent-dim);
    padding-top: 2rem;
}

.log-header {
    font-family: var(--font-heading);
    font-size: 1rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    text-align: left;
}

.log-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.log-entry {
    background: var(--log-bg);
    border: 1px solid var(--log-border);
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    transition: background-color 0.4s ease, border-color 0.4s ease;
}

.log-level {
    color: var(--text-primary);
    font-weight: 600;
}

.log-meta {
    display: flex;
    gap: 2rem;
}

.log-date {
    color: var(--text-secondary);
}

.log-duration {
    color: var(--gold);
}

/* Empty state */
.log-empty {
    text-align: center;
    padding: 2rem;
    opacity: 0.4;
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

.log-empty-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    opacity: 0.5;
}

/* ===================================================================
   INSTRUCTION VIEW
   =================================================================== */
.instruction-text {
    line-height: 1.8;
}

.mastery-note {
    border-top: 1px solid var(--accent-dim);
    margin-top: 2rem;
    padding-top: 1.5rem;
    font-size: 0.85rem;
    color: var(--gold);
    opacity: 0.8;
}

.mastery-note h4 {
    font-family: var(--font-heading);
    margin-bottom: 0.5rem;
    font-size: 0.8rem;
    letter-spacing: 0.1em;
}

.warning {
    font-weight: 600;
}

.warning-sub {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    opacity: 0.6;
    margin-top: 0.3rem;
}

/* ===================================================================
   PRACTICE VIEW — MAXIMALLY DISTRACTION-FREE
   =================================================================== */
#view-practice {
    background: var(--practice-bg);
    cursor: none;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0;
    transition: background-color 0.5s ease;
}

#practice-stage {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

#shape-container {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.practice-shape {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.practice-shape svg {
    width: 80vmin;
    height: 80vmin;
    overflow: visible;
}

.p-sigil {
    max-width: 90vmin;
    max-height: 90vmin;
    object-fit: contain;
}

/* Elapsed Timer — ultra subtle, doesn't distract */
.elapsed-timer {
    position: absolute;
    bottom: 2rem;
    right: 2rem;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-secondary);
    opacity: 0;
    transition: opacity 1.5s ease;
    pointer-events: none;
    letter-spacing: 0.1em;
    z-index: 5;
}

.elapsed-timer.visible {
    opacity: 0.3;
}

.elapsed-timer.peek {
    opacity: 0.5;
    transition: opacity 0.3s ease;
}

/* ===================================================================
   MODALS & OVERLAYS
   =================================================================== */
.overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--overlay-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: default;
    z-index: 2000;
    backdrop-filter: blur(8px);
    transition: background-color 0.5s ease;
}

.modal {
    background: var(--modal-bg);
    border: 1px solid var(--modal-border);
    padding: 3rem;
    text-align: center;
    max-width: 500px;
    width: 90%;
    animation: modalIn 0.3s var(--ease-out);
    transition: background-color 0.5s ease, border-color 0.5s ease;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(10px);
    }

    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal h3 {
    color: var(--danger);
    margin-bottom: 1rem;
}

.modal-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

.modal-actions button {
    margin: 0;
    width: 100%;
}

.custom-input-wrap {
    margin: 2rem 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    border-bottom: 1px solid var(--accent-dim);
    padding-bottom: 0.5rem;
}

.custom-input-wrap input {
    background: none;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-heading);
    font-size: 2.5rem;
    width: 120px;
    text-align: center;
    outline: none;
}

.input-unit {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
    letter-spacing: 0.1em;
}

/* ===================================================================
   SESSION SUMMARY / DEBRIEF
   =================================================================== */
.session-summary {
    margin: 2rem 0;
    font-family: var(--font-mono);
    border: 1px solid var(--accent-dim);
    padding: 1.5rem;
    background: var(--log-bg);
    transition: background-color 0.5s ease, border-color 0.5s ease;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.summary-label {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.summary-value {
    color: var(--text-primary);
}

/* Motivational message */
.debrief-motivation {
    font-style: italic;
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: 1rem;
    opacity: 0.7;
}

.debrief-streak {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--gold);
    margin-top: 0.5rem;
}

/* Mastery Prompt */
.mastery-prompt {
    margin: 2rem 0;
}

.mastery-prompt p {
    margin-bottom: 0.5rem;
}

.sub-prompt {
    font-size: 0.8rem !important;
    opacity: 0.6;
}

/* ===================================================================
   GOAL MODAL
   =================================================================== */
.goal-modal {
    border-color: var(--gold) !important;
}

.goal-modal h3 {
    color: var(--gold) !important;
}

/* Celebration */
.celebration-modal {
    border-color: var(--gold) !important;
    text-align: center;
    animation: celebrationPop 0.5s var(--ease-out);
}

@keyframes celebrationPop {
    0% {
        opacity: 0;
        transform: scale(0.8) translateY(20px);
    }

    50% {
        transform: scale(1.02) translateY(-5px);
    }

    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.celebration-modal h2 {
    color: var(--gold);
    margin-bottom: 1rem;
    font-size: 1.8rem;
}

.celebration-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.1);
    }
}

.celebration-sub {
    font-size: 0.85rem;
    opacity: 0.7;
    margin-top: 0.5rem;
}

/* ===================================================================
   GOAL PROGRESS
   =================================================================== */
.goal-progress-bar {
    width: 100%;
    height: 6px;
    background: var(--progress-bar-bg);
    border-radius: 3px;
    overflow: hidden;
    position: relative;
}

.goal-progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--gold), #f0c040);
    border-radius: 3px;
    transition: width 0.6s var(--ease-out);
    position: relative;
}

.goal-progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(100%);
    }
}

.goal-text {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
}

/* ===================================================================
   TOGGLE SWITCH
   =================================================================== */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 26px;
    flex-shrink: 0;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--toggle-bg);
    transition: all 0.3s var(--ease-out);
    border-radius: 26px;
    border: 1px solid transparent;
}

.toggle-slider::before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 2px;
    bottom: 2px;
    background-color: var(--text-secondary);
    transition: all 0.3s var(--ease-out);
    border-radius: 50%;
}

input:checked+.toggle-slider {
    background-color: rgba(212, 175, 55, 0.3);
    border-color: var(--gold);
}

input:checked+.toggle-slider::before {
    transform: translateX(22px);
    background-color: var(--gold);
}

input:focus+.toggle-slider {
    box-shadow: 0 0 0 2px rgba(212, 175, 55, 0.2);
}

/* Goal Toggle Row */
.goal-toggle-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 0;
}

.goal-toggle-label {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
}

/* Session Goal Settings */
.session-goal-settings {
    margin-top: 1.5rem;
    padding: 1.5rem;
    border: 1px solid var(--accent-dim);
    background: var(--input-bg);
    transition: background-color 0.5s ease, border-color 0.5s ease;
}

.session-goal-input-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
    transition: all 0.3s var(--ease-out);
}

.session-goal-input-wrap input {
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--accent-dim);
    color: var(--text-primary);
    font-family: var(--font-heading);
    font-size: 1.5rem;
    width: 80px;
    text-align: center;
    padding: 0.3rem;
    outline: none;
    transition: border-color 0.3s ease;
}

.session-goal-input-wrap input:focus {
    border-color: var(--gold);
}

/* ===================================================================
   SIGIL UPLOAD
   =================================================================== */
.sigil-upload-container {
    margin-top: 1.5rem;
    border: 1px dashed var(--accent-dim);
    padding: 2rem;
    text-align: center;
    transition: border-color 0.3s;
}

.sigil-upload-container:hover {
    border-color: var(--text-primary);
}

.sigil-preview-mini {
    width: 100px;
    height: 100px;
    object-fit: contain;
    margin: 1rem auto;
    border: 1px solid var(--accent-dim);
    display: none;
}

.sigil-preview-mini.active {
    display: block;
}

input[type="file"] {
    display: none;
}

.file-label {
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-primary);
    text-decoration: underline;
}

/* ===================================================================
   LEVEL SETTINGS MODAL
   =================================================================== */
.level-settings-modal {
    max-width: 420px;
    max-height: 85vh;
    overflow-y: auto;
}

.level-settings-modal h3 {
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--accent-dim);
}

.settings-section {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(128, 128, 128, 0.15);
}

.settings-section:last-of-type {
    border-bottom: none;
    margin-bottom: 1rem;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    letter-spacing: 0.15em;
    color: var(--gold);
    margin-bottom: 0.5rem;
}

.section-desc {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.time-input-group {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 1rem 0;
}

.time-input-group.single {
    justify-content: center;
}

.time-input-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
}

.time-input-item input {
    width: 80px;
    padding: 0.8rem;
    font-size: 1.5rem;
    font-family: var(--font-mono);
    text-align: center;
    background: var(--input-bg);
    border: 1px solid var(--accent-dim);
    border-radius: 8px;
    color: var(--text-primary);
    transition: border-color 0.2s;
}

.time-input-item input:focus {
    outline: none;
    border-color: var(--gold);
}

.time-input-item .input-unit {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-secondary);
    letter-spacing: 0.1em;
}

.time-adjust-controls {
    text-align: center;
}

.adjust-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin: 1rem 0;
}

.btn-adjust-action {
    padding: 0.8rem 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 6px;
    transition: all 0.2s var(--ease-out);
    margin: 0;
}

.btn-add {
    background: rgba(76, 175, 80, 0.2);
    border: 1px solid rgba(76, 175, 80, 0.5);
    color: #81c784;
}

.btn-add:hover {
    background: rgba(76, 175, 80, 0.3);
    border-color: #81c784;
}

.btn-subtract {
    background: rgba(244, 67, 54, 0.2);
    border: 1px solid rgba(244, 67, 54, 0.5);
    color: #e57373;
}

.btn-subtract:hover {
    background: rgba(244, 67, 54, 0.3);
    border-color: #e57373;
}

.current-total {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.current-total span {
    color: var(--text-primary);
    font-weight: 600;
}

.level-practice-progress {
    margin-top: 1rem;
}

.level-practice-progress .progress-text {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    text-align: center;
}

.level-practice-progress .progress-text span {
    color: var(--text-primary);
}

/* Modal scrollbar */
.level-settings-modal::-webkit-scrollbar {
    width: 6px;
}

.level-settings-modal::-webkit-scrollbar-track {
    background: var(--input-bg);
    border-radius: 3px;
}

.level-settings-modal::-webkit-scrollbar-thumb {
    background: var(--accent-dim);
    border-radius: 3px;
}

.level-settings-modal::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Goal Header */
.stat-item-goal {
    flex: 1;
    max-width: 200px;
    margin: 0 1.5rem;
}

.goal-header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.btn-edit-goal {
    width: 24px;
    height: 24px;
    padding: 0;
    margin: 0;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
    border-radius: 4px;
}

.btn-edit-goal:hover {
    color: var(--gold);
    background: rgba(212, 175, 55, 0.1);
}

.goal-progress-container {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

/* ===================================================================
   CUSTOM CONFIG (Level 6)
   =================================================================== */
.custom-config-container {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--input-bg);
    border: 1px solid var(--accent-dim);
    border-radius: 8px;
    transition: background-color 0.5s ease, border-color 0.5s ease;
}

.config-header {
    font-size: 0.9rem;
    color: var(--gold);
    margin-bottom: 1.5rem;
    text-align: center;
    letter-spacing: 0.15em;
}

.config-section {
    margin-bottom: 1.5rem;
}

.config-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 0.8rem;
    font-family: var(--font-mono);
    text-transform: uppercase;
}

.shape-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.8rem;
    justify-items: center;
}

.shape-btn {
    width: 44px;
    height: 44px;
    border: 1px solid var(--accent-dim);
    background: var(--input-bg);
    border-radius: 6px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: all 0.2s;
    padding: 6px;
    margin: 0;
}

.shape-btn:hover {
    border-color: var(--text-secondary);
    background: rgba(128, 128, 128, 0.08);
}

.shape-btn.selected {
    border-color: var(--gold);
    background: rgba(212, 175, 55, 0.1);
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.1);
}

.shape-btn svg {
    width: 100%;
    height: 100%;
    fill: none;
    stroke: var(--text-secondary);
    stroke-width: 2;
}

.shape-btn.selected svg {
    stroke: var(--gold);
}

.anim-toggles {
    display: flex;
    justify-content: space-around;
    gap: 1rem;
    flex-wrap: wrap;
}

.anim-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.anim-check input {
    display: none;
}

.anim-box {
    width: 18px;
    height: 18px;
    border: 1px solid var(--accent-dim);
    border-radius: 3px;
    display: inline-block;
    transition: all 0.2s;
    position: relative;
    background: var(--input-bg);
}

.anim-check input:checked+.anim-box {
    background: var(--gold);
    border-color: var(--gold);
}

.anim-check input:checked+.anim-box::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 6px;
    width: 4px;
    height: 8px;
    border: solid var(--card-bg);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.anim-label {
    font-size: 0.75rem;
    font-family: var(--font-mono);
    color: var(--text-secondary);
    letter-spacing: 0.05em;
}

.anim-check:hover .anim-label {
    color: var(--text-primary);
}

/* ===================================================================
   ANIMATIONS (Level 6 Practice)
   =================================================================== */
@keyframes anim-blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.3;
    }
}

@keyframes anim-bounce {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.15);
    }
}

@keyframes anim-rotate {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.anim-wrapper-blink {
    animation: anim-blink 3s infinite ease-in-out;
}

.anim-wrapper-bounce {
    animation: anim-bounce 4s infinite ease-in-out;
}

.anim-wrapper-rotate {
    animation: anim-rotate 12s infinite linear;
    transform-origin: center;
}

/* ===================================================================
   AMBIENT PARTICLES (Intro & Dashboard)
   =================================================================== */
.ambient-particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: 0;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--particle-color);
    border-radius: 50%;
    animation: particleFloat linear infinite;
}

@keyframes particleFloat {
    0% {
        transform: translateY(0) translateX(0);
        opacity: 0;
    }

    10% {
        opacity: 1;
    }

    90% {
        opacity: 1;
    }

    100% {
        transform: translateY(-100vh) translateX(50px);
        opacity: 0;
    }
}

/* ===================================================================
   MOBILE & RESPONSIVE
   =================================================================== */
@media (hover: none) {
    .level-card:active {
        transform: scale(0.98);
        border-color: var(--text-primary);
    }

    .btn-card-info {
        opacity: 0.7;
        transform: scale(1);
    }

    .manual-adjust {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 600px) {
    h1 {
        font-size: 1.8rem;
    }

    .levels-grid {
        grid-template-columns: 1fr;
    }

    .theme-toggle {
        top: 1rem;
        right: 1rem;
        width: 40px;
        height: 40px;
        padding: 0.7rem;
    }

    .theme-label {
        top: 1.2rem;
        right: 4rem;
    }

    .stats-container {
        flex-direction: column;
        gap: 1rem;
        padding: 0 1rem;
    }

    .stat-item-goal {
        order: -1;
        max-width: 100%;
        margin: 0;
        padding: 1rem;
        background: rgba(212, 175, 55, 0.05);
        border: 1px solid var(--accent-dim);
        border-radius: 4px;
    }

    .goal-progress-bar {
        height: 8px;
    }

    .data-actions {
        justify-content: center;
        padding: 0 1rem;
    }

    .modal {
        padding: 2rem 1.5rem;
        margin: 1rem;
        max-height: 90vh;
        overflow-y: auto;
    }

    .celebration-icon {
        font-size: 3rem;
    }

    .celebration-modal h2 {
        font-size: 1.4rem;
    }

    .session-goal-settings {
        padding: 1rem;
    }

    .goal-toggle-row {
        flex-wrap: wrap;
    }

    .goal-toggle-label {
        font-size: 0.75rem;
    }

    .btn-adjust {
        width: 36px;
        height: 36px;
        font-size: 1.2rem;
    }

    .btn-card-info {
        width: 32px;
        height: 32px;
        opacity: 1;
        transform: scale(1);
    }

    .custom-input-wrap input {
        font-size: 2rem;
        width: 100px;
    }
}

@media (max-width: 480px) {
    .level-settings-modal {
        max-width: 100%;
        margin: 0.5rem;
    }

    .time-input-item input {
        width: 70px;
        font-size: 1.3rem;
        padding: 0.6rem;
    }

    .adjust-buttons {
        flex-direction: column;
        gap: 0.5rem;
    }

    .btn-adjust-action {
        width: 100%;
    }

    .section-title {
        font-size: 0.75rem;
    }

    .shape-grid {
        grid-template-columns: repeat(5, 1fr);
        gap: 0.5rem;
    }

    .shape-btn {
        width: 36px;
        height: 36px;
    }

    .anim-toggles {
        justify-content: space-between;
    }
}

@media (max-width: 380px) {
    .modal {
        padding: 1.5rem 1rem;
    }

    .modal-actions button {
        padding: 0.8rem 1rem;
        font-size: 0.7rem;
    }

    .stat-label {
        font-size: 0.6rem;
    }

    .stat-value {
        font-size: 1rem;
    }
}

/* Mobile Touch & Usability */
@media (hover: none),
(max-width: 768px) {
    .manual-adjust {
        opacity: 1 !important;
        transform: translateY(0) !important;
        z-index: 20;
        gap: 0.8rem;
    }

    .btn-card-info {
        opacity: 1 !important;
        transform: scale(1) !important;
        z-index: 20;
        width: 44px;
        height: 44px;
        font-size: 1.1rem;
    }

    .btn-adjust {
        width: 44px;
        height: 44px;
        font-size: 1.2rem;
    }
}

/* ===================================================================
   INK & PAPER — Practice View Paper Grain
   =================================================================== */
body.theme-ink #view-practice::before {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    opacity: 0.15;
    background-image:
        radial-gradient(circle at 20% 35%, rgba(44, 36, 22, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 65%, rgba(44, 36, 22, 0.04) 0%, transparent 50%);
}

/* Light theme practice — keep it purely cool */
body.theme-light #view-practice {
    background: #eef0f4;
}