/* === Design Tokens === */
:root {
    /* Colors */
    --color-primary: #6c63ff;
    --color-primary-dark: #4834d4;
    --color-success: #51cf66;
    --color-danger: #ff6b6b;
    --color-warning: #ffa502;
    --color-cyan: #22b8cf;
    --color-teal: #4ecdc4;
    --color-pink: #ff6b9d;
    --color-yellow: #ffd43b;

    /* Backgrounds */
    --bg-body: #0f0f1a;
    --bg-card: #1a1a2e;
    --bg-card-alt: #1e1e3a;
    --bg-border: #2a2a4a;

    /* Text */
    --text-primary: #fff;
    --text-secondary: #aaa;
    --text-muted: #888;
    --text-dim: #666;
    --text-faint: #555;

    /* Gradients */
    --gradient-card: linear-gradient(135deg, var(--bg-card), var(--bg-card-alt));
    --gradient-header: linear-gradient(135deg, var(--bg-card) 0%, #16213e 100%);
    --gradient-primary: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    --gradient-progress: linear-gradient(90deg, var(--color-primary), var(--color-success));

    /* Radii */
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 16px;
}

/* === Base Reset === */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-body);
    color: #e0e0e0;
    min-height: 100vh;
}

/* === Utility Classes === */
.hidden { display: none; }

.label-sm {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: #777;
}

.btn {
    background: var(--bg-card);
    border: 1px solid var(--bg-border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    padding: 7px 14px;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.15s;
}

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

.version-text {
    font-size: 11px;
    color: var(--text-faint);
    font-weight: 400;
}

.badge-count { font-weight: 600; }

/* === Dashboard === */

header {
    background: var(--gradient-header);
    padding: 20px 40px;
    border-bottom: 1px solid var(--bg-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: background 0.5s ease, border-color 0.5s ease;
}

header h1 {
    font-size: 22px;
    font-weight: 600;
    color: #fff;
}

header h1 span { color: var(--color-primary); }

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 13px;
    color: #888;
}

.refresh-btn {
    display: flex;
    align-items: center;
    gap: 6px;
}

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

.refresh-btn.spinning svg { animation: spin 0.7s linear infinite; }

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 28px 40px;
}

/* Stat cards */
.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 14px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--gradient-card);
    border: 1px solid var(--bg-border);
    border-radius: var(--radius-md);
    padding: 20px;
    text-align: center;
    transition: transform 0.2s, border-color 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
    border-color: #6c63ff44;
}

.stat-card.highlight {
    background: linear-gradient(135deg, #6c63ff 0%, #4834d4 100%);
    border-color: transparent;
}

.stat-card.highlight .stat-label { color: rgba(255,255,255,0.75); }
.stat-card.highlight .stat-value { color: #fff; font-size: 36px; }
.stat-card.highlight .stat-unit { color: rgba(255,255,255,0.6); }

.stat-card.goal {
    background: linear-gradient(135deg, #1a2e1a, #1e3a1e);
    border-color: #2a4a2a;
}
.stat-card.goal .stat-value { color: var(--color-success); }

.stat-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: #777;
    margin-bottom: 6px;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
}

.stat-unit {
    font-size: 13px;
    color: #555;
    margin-left: 2px;
}

.stat-sub {
    font-size: 12px;
    margin-top: 4px;
}

.stat-sub.up { color: var(--color-danger); }
.stat-sub.down { color: var(--color-success); }
.stat-sub.flat { color: #666; }

/* Charts */
.chart-panel {
    background: var(--gradient-card);
    border: 1px solid var(--bg-border);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-bottom: 20px;
}

.chart-panel h2 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    color: #fff;
}

.chart-box {
    position: relative;
    width: 100%;
    height: 320px;
}

.charts-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* Time filter */
.filters {
    display: flex;
    gap: 8px;
    margin-bottom: 22px;
}

.filters button {
    padding: 7px 16px;
    background: var(--bg-card);
    border: 1px solid var(--bg-border);
    border-radius: var(--radius-sm);
    color: #999;
    cursor: pointer;
    font-size: 12px;
    transition: all 0.15s;
}

.filters button.active,
.filters button:hover {
    background: #6c63ff;
    border-color: var(--color-primary);
    color: #fff;
}

/* Loading / error */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    flex-direction: column;
    gap: 14px;
}

.spinner {
    width: 40px; height: 40px;
    border: 3px solid #2a2a4a;
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.error-box {
    background: rgba(255,107,107,0.08);
    border: 1px solid #ff6b6b44;
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    color: var(--color-danger);
}

.error-box button {
    margin-top: 10px;
    padding: 8px 20px;
    background: #ff6b6b;
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

/* === Motivation Features === */

/* Header trend colors */
header.trend-green { background: linear-gradient(135deg, #132e13 0%, #0e352e 100%); border-bottom-color: #2a4a2a; }
header.trend-yellow { background: linear-gradient(135deg, #2e2a13 0%, #353016 100%); border-bottom-color: #4a4a2a; }
header.trend-red { background: linear-gradient(135deg, #2e1313 0%, #351616 100%); border-bottom-color: #4a2a2a; }

/* Progress bar */
.progress-bar-container {
    background: var(--bg-body);
    padding: 12px 40px;
    border-bottom: 1px solid #1a1a2e;
}
.progress-bar-label {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: #666;
    margin-bottom: 6px;
}
.progress-bar-track {
    height: 10px;
    background: var(--bg-card);
    border-radius: 5px;
    overflow: hidden;
}
.progress-bar-fill {
    height: 100%;
    border-radius: 5px;
    background: var(--gradient-progress);
    transition: width 1s ease-in-out;
    position: relative;
    overflow: hidden;
}
.progress-bar-fill::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    animation: shimmer 2s infinite;
}
@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}
.progress-pct {
    text-align: center;
    font-size: 12px;
    color: #aaa;
    margin-top: 6px;
}

/* Streak card */
.stat-card.streak {
    background: linear-gradient(135deg, #2e1a0a, #3a2010);
    border-color: #4a3020;
}
.stat-card.streak .stat-value { color: var(--color-warning); }
.stat-card.streak.hot {
    box-shadow: 0 0 20px rgba(255, 165, 2, 0.3);
    border-color: #ffa50266;
    animation: pulse-glow 2s ease-in-out infinite;
}
@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 15px rgba(255, 165, 2, 0.2); }
    50% { box-shadow: 0 0 25px rgba(255, 165, 2, 0.4); }
}

/* Milestones */
.milestones-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 24px;
    align-items: center;
}
.milestones-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: #555;
    margin-right: 4px;
}
.milestone-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    border: 1px solid;
    transition: transform 0.2s;
    cursor: default;
}
.milestone-badge:hover { transform: scale(1.05); }
.milestone-badge.achieved {
    background: rgba(81, 207, 102, 0.12);
    border-color: #51cf6644;
    color: var(--color-success);
}
.milestone-badge.pending {
    background: rgba(255, 255, 255, 0.02);
    border-color: #2a2a4a;
    color: #444;
}
.milestone-reset {
    margin-left: auto;
    background: none;
    border: 1px solid var(--bg-border);
    border-radius: var(--radius-md);
    color: #555;
    font-size: 11px;
    padding: 4px 12px;
    cursor: pointer;
    transition: all 0.15s;
}
.milestone-reset:hover { border-color: var(--color-danger); color: var(--color-danger); }

/* Chart controls */
.chart-controls {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 12px;
}
.chart-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: #888;
    cursor: pointer;
    user-select: none;
}
.chart-toggle input { accent-color: var(--color-primary); cursor: pointer; }

/* Prediction text */
.prediction-text {
    font-size: 13px;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    margin-bottom: 14px;
}
.prediction-text.positive {
    color: #22b8cf;
    background: rgba(34, 184, 207, 0.08);
}
.prediction-text.warning {
    color: var(--color-warning);
    background: rgba(255, 165, 2, 0.08);
}

/* Rank card */
.stat-card.rank {
    background: var(--gradient-card);
    border-color: var(--rank-color, #cd7f32);
    box-shadow: 0 0 18px color-mix(in srgb, var(--rank-color, #cd7f32) 30%, transparent);
}
.stat-card.rank .stat-value { color: var(--rank-color, #cd7f32); }
.rank-progress {
    margin-top: 8px;
    height: 5px;
    background: var(--bg-card);
    border-radius: 3px;
    overflow: hidden;
}
.rank-progress-fill {
    height: 100%;
    border-radius: 3px;
    background: var(--rank-color, #cd7f32);
    transition: width 0.8s ease;
}

/* Quote bar */
.quote-bar {
    text-align: center;
    font-style: italic;
    font-size: 13px;
    color: #666;
    padding: 10px 40px;
    animation: fadeInQuote 1s ease;
}
@keyframes fadeInQuote {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Countdown panel */
.countdown-panel {
    background: var(--gradient-card);
    border: 1px solid var(--bg-border);
    border-radius: var(--radius-md);
    padding: 18px 24px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}
.countdown-left {
    display: flex;
    align-items: baseline;
    gap: 8px;
}
.countdown-days {
    font-size: 38px;
    font-weight: 700;
    color: #fff;
}
.countdown-label {
    font-size: 14px;
    color: #888;
}
.countdown-right {
    text-align: right;
}
.countdown-projected {
    font-size: 14px;
    color: #aaa;
}
.countdown-projected strong { font-size: 22px; }
.countdown-projected.good strong { color: var(--color-success); }
.countdown-projected.warn strong { color: var(--color-warning); }
.countdown-edit {
    background: none;
    border: none;
    color: #555;
    cursor: pointer;
    font-size: 14px;
    padding: 4px;
    margin-left: 8px;
    transition: color 0.15s;
}
.countdown-edit:hover { color: #fff; }

@media (max-width: 900px) {
    .charts-2col { grid-template-columns: 1fr; }
    .container { padding: 16px; }
    header { padding: 16px; flex-direction: column; gap: 8px; }
    .stats-row { grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); }
    .progress-bar-container { padding: 10px 16px; }
    .milestones-row { gap: 6px; }
    .milestone-badge { padding: 5px 10px; font-size: 11px; }
    .quote-bar { padding: 8px 16px; font-size: 12px; }
    .countdown-panel { flex-direction: column; text-align: center; }
    .countdown-right { text-align: center; }
}

/* === Login Page === */

body.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-card {
    background: var(--gradient-card);
    border: 1px solid var(--bg-border);
    border-radius: 16px;
    padding: 40px;
    width: 100%;
    max-width: 380px;
    text-align: center;
}

.login-card h1 {
    font-size: 22px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 6px;
}

.login-card h1 span { color: var(--color-primary); }

.login-card p {
    font-size: 13px;
    color: #666;
    margin-bottom: 28px;
}

.field {
    margin-bottom: 16px;
    text-align: left;
}

.field label {
    display: block;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #777;
    margin-bottom: 6px;
}

.field input {
    width: 100%;
    padding: 12px 14px;
    background: var(--bg-body);
    border: 1px solid var(--bg-border);
    border-radius: 10px;
    color: #fff;
    font-size: 15px;
    outline: none;
    transition: border-color 0.15s;
}

.field input:focus { border-color: var(--color-primary); }

.error {
    background: rgba(255,107,107,0.1);
    border: 1px solid #ff6b6b44;
    border-radius: var(--radius-sm);
    padding: 10px;
    font-size: 13px;
    color: var(--color-danger);
    margin-bottom: 16px;
}

button[type="submit"] {
    width: 100%;
    padding: 12px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 10px;
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.15s;
}

button[type="submit"]:hover { opacity: 0.9; }

/* === Badge System === */

/* Badges Page */
.badges-page {
    background: var(--bg-body);
    min-height: 100vh;
    padding-bottom: 40px;
}

.badges-header {
    background: var(--gradient-header);
    padding: 20px 40px;
    border-bottom: 1px solid var(--bg-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

.badges-header h1 {
    font-size: 24px;
    font-weight: 600;
    color: #fff;
    margin: 0;
}

.back-btn {
    display: flex;
    align-items: center;
    gap: 6px;
}

.badges-controls {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sound-toggle-btn {
    font-size: 18px;
    padding: 8px 12px;
}

#badgeFilter {
    padding: 8px 12px;
    outline: none;
}

/* Badges Stats */
.badges-stats {
    max-width: 1400px;
    margin: 0 auto;
    padding: 28px 40px 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 16px;
}

.badge-stat-card {
    background: var(--gradient-card);
    border: 1px solid var(--bg-border);
    border-radius: var(--radius-md);
    padding: 20px;
    text-align: center;
}

.badge-stat-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: #777;
    margin-bottom: 8px;
}

.badge-stat-value {
    font-size: 24px;
    font-weight: 700;
    color: #fff;
    line-height: 1.4;
}

.badge-stat-value small {
    font-size: 13px;
    color: #888;
    display: block;
    margin-top: 4px;
}

.badge-stat-bar {
    margin-top: 10px;
    height: 6px;
    background: var(--bg-card);
    border-radius: 3px;
    overflow: hidden;
}

.badge-stat-fill {
    height: 100%;
    background: var(--gradient-progress);
    border-radius: 3px;
    transition: width 0.8s ease;
}

/* Badges Grid */
.badges-grid {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 16px;
}

.badge-card {
    background: var(--gradient-card);
    border: 2px solid;
    border-radius: var(--radius-md);
    padding: 20px;
    display: flex;
    gap: 16px;
    align-items: center;
    transition: transform 0.2s, box-shadow 0.2s;
}

.badge-card:hover {
    transform: translateY(-2px);
}

.badge-card.locked {
    opacity: 0.5;
}

.badge-card.locked .badge-icon {
    filter: grayscale(100%);
}

/* Rarity colors */
.badge-card.rarity-common {
    border-color: #666;
}

.badge-card.rarity-rare {
    border-color: #4ecdc4;
    box-shadow: 0 0 15px rgba(78, 205, 196, 0.15);
}

.badge-card.rarity-epic {
    border-color: #a78bfa;
    box-shadow: 0 0 15px rgba(167, 139, 250, 0.15);
}

.badge-card.rarity-legendary {
    border-color: #fbbf24;
    box-shadow: 0 0 20px rgba(251, 191, 36, 0.25);
    animation: legendary-glow 2s ease-in-out infinite;
}

@keyframes legendary-glow {
    0%, 100% {
        box-shadow: 0 0 15px rgba(251, 191, 36, 0.2);
    }
    50% {
        box-shadow: 0 0 30px rgba(251, 191, 36, 0.4);
    }
}

.badge-icon {
    font-size: 48px;
    flex-shrink: 0;
    line-height: 1;
}

.badge-info {
    flex: 1;
}

.badge-name {
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 6px;
}

.badge-tier {
    font-size: 11px;
    color: #888;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.badge-description {
    font-size: 13px;
    color: #aaa;
    line-height: 1.4;
    margin-bottom: 10px;
}

.badge-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.badge-category {
    color: #666;
}

.badge-xp {
    color: var(--color-primary);
    font-weight: 600;
}

/* Badge Toast Notification */
.badge-toast {
    position: fixed;
    top: 100px;
    right: 40px;
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    border: 2px solid #6c63ff;
    border-radius: var(--radius-md);
    padding: 18px 22px;
    display: flex;
    gap: 14px;
    align-items: center;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4), 0 0 20px rgba(108, 99, 255, 0.3);
    z-index: 10000;
    transform: translateX(400px);
    opacity: 0;
    transition: all 0.3s ease;
    max-width: 350px;
}

.badge-toast.show {
    transform: translateX(0);
    opacity: 1;
}

.badge-toast-icon {
    font-size: 40px;
    line-height: 1;
}

.badge-toast-content {
    flex: 1;
}

.badge-toast-title {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: #888;
    margin-bottom: 4px;
}

.badge-toast-name {
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 4px;
}

.badge-toast-xp {
    font-size: 13px;
    color: var(--color-primary);
    font-weight: 600;
}

@media (max-width: 900px) {
    .badges-header {
        padding: 16px;
    }

    .badges-stats {
        padding: 20px 16px;
        grid-template-columns: 1fr;
    }

    .badges-grid {
        padding: 0 16px;
        grid-template-columns: 1fr;
    }

    .badge-toast {
        right: 16px;
        left: 16px;
        max-width: unset;
    }
}