/**
 * Bit Learn - Day/Lesson Page Styles (Analytical)
 */

.day-page {
    padding-top: 90px;
    padding-bottom: 60px;
    position: relative;
}

.day-page .container {
    max-width: 780px;
    position: relative;
    z-index: 1;
}

/* Progress Bar (top, thin green line) */
.day-progress-bar {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--border);
    z-index: 90;
}

.day-progress-fill {
    height: 100%;
    background: var(--success);
    transition: width 0.5s ease;
}

/* Day Header — Analytical layout */
.day-header-new {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 0 24px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.day-back {
    display: flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    color: var(--text-muted);
    transition: color 0.2s;
    flex-shrink: 0;
    font-size: 0.85rem;
}

.day-back:hover { color: var(--accent); }
.back-arrow { font-size: 1rem; }
.back-module { font-size: 0.85rem; }

.day-title-block {
    flex: 1;
    text-align: center;
    min-width: 0;
}

.day-number-badge {
    display: inline-block;
    background: rgba(16, 185, 129, 0.12);
    color: var(--success);
    padding: 3px 10px;
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 700;
    margin-bottom: 6px;
    letter-spacing: 0.3px;
}

.day-title-block h1 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text);
}

.day-progress-info {
    flex-shrink: 0;
    text-align: right;
}

.day-progress-info span {
    display: block;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
}

/* Legacy header (some pages might use) */
.day-header {
    text-align: center;
    padding: 32px 0 24px;
}

.day-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(16, 185, 129, 0.12);
    border: 1px solid rgba(16, 185, 129, 0.2);
    padding: 4px 14px;
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--success);
}

.day-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text);
    letter-spacing: -0.02em;
}

.day-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 16px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.day-meta {
    display: inline-flex;
    gap: 8px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 6px 14px;
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* Blocks — Analytical flat cards with colored left accent */
.blocks {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.block {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 0;
    overflow: hidden;
    transition: border-color 0.2s, opacity 0.3s;
    position: relative;
    border-left: 3px solid transparent;
    border-top: 3px solid transparent;
}

.block:hover {
    border-color: rgba(255, 255, 255, 0.12);
}

.block.locked {
    opacity: 0.4;
    pointer-events: none;
    user-select: none;
}

.block.locked .block-body {
    display: none;
}

/* Step navigation dots with labels */
.day-step-nav {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 36px;
}

.day-step {
    display: flex;
    align-items: flex-start;
    flex: 1;
}

.day-step:last-child {
    flex: 0;
}

.day-step-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-shrink: 0;
}

.day-step-dot {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid rgba(255, 255, 255, 0.1);
    font-size: 0.7rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.25);
    transition: all 0.3s;
    flex-shrink: 0;
}

.day-step-label {
    margin-top: 8px;
    font-size: 0.6rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: rgba(255, 255, 255, 0.2);
    text-align: center;
    line-height: 1.3;
    max-width: 72px;
    transition: color 0.3s;
}

.day-step-line {
    height: 2px;
    background: rgba(255, 255, 255, 0.06);
    flex: 1;
    margin-top: 17px;
    transition: background 0.3s;
}

.day-step.active .day-step-dot {
    border-color: var(--step-color);
    color: var(--step-color);
}

.day-step.active .day-step-label {
    color: var(--step-color);
}

.day-step.done .day-step-dot {
    border-color: var(--step-color);
    background: color-mix(in srgb, var(--step-color) 12%, transparent);
    color: var(--step-color);
}

.day-step.done .day-step-label {
    color: var(--step-color);
}

.day-step.done .day-step-line {
    background: var(--step-color);
}

[data-theme="light"] .day-step-dot {
    border-color: rgba(0, 0, 0, 0.1);
    color: rgba(0, 0, 0, 0.40);
}

[data-theme="light"] .day-step-label {
    color: rgba(0, 0, 0, 0.2);
}

[data-theme="light"] .day-step-line {
    background: rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .day-step.active .day-step-dot,
[data-theme="light"] .day-step.active .day-step-label {
    color: var(--step-color);
}

[data-theme="light"] .day-step.active .day-step-dot {
    border-color: var(--step-color);
}

[data-theme="light"] .day-step.done .day-step-dot {
    border-color: var(--step-color);
    background: color-mix(in srgb, var(--step-color) 10%, transparent);
    color: var(--step-color);
}

[data-theme="light"] .day-step.done .day-step-label {
    color: var(--step-color);
}

[data-theme="light"] .day-step.done .day-step-line {
    background: var(--step-color);
}

/* Block type accent colors (left + top border) — determined by block-type-name class */
.block:has(.block-type-name.fact) { border-left-color: #10b981; border-top-color: #10b981; }
.block:has(.block-type-name.case) { border-left-color: #eab308; border-top-color: #eab308; }
.block:has(.block-type-name.prompt) { border-left-color: #8b5cf6; border-top-color: #8b5cf6; }
.block:has(.block-type-name.inspiration) { border-left-color: #ec4899; border-top-color: #ec4899; }
.block:has(.block-type-name.practice) { border-left-color: #f97316; border-top-color: #f97316; }

/* Fallback for browsers without :has() support */
.block--fact { border-left-color: #10b981; border-top-color: #10b981; }
.block--case { border-left-color: #eab308; border-top-color: #eab308; }
.block--prompt { border-left-color: #8b5cf6; border-top-color: #8b5cf6; }
.block--inspiration { border-left-color: #ec4899; border-top-color: #ec4899; }
.block--practice { border-left-color: #f97316; border-top-color: #f97316; }

/* Locked blocks: muted borders */
.block.locked:has(.block-type-name.fact) { border-left-color: rgba(16, 185, 129, 0.2); border-top-color: rgba(16, 185, 129, 0.2); }
.block.locked:has(.block-type-name.case) { border-left-color: rgba(234, 179, 8, 0.2); border-top-color: rgba(234, 179, 8, 0.2); }
.block.locked:has(.block-type-name.prompt) { border-left-color: rgba(139, 92, 246, 0.2); border-top-color: rgba(139, 92, 246, 0.2); }
.block.locked:has(.block-type-name.inspiration) { border-left-color: rgba(236, 72, 153, 0.2); border-top-color: rgba(236, 72, 153, 0.2); }
.block.locked:has(.block-type-name.practice) { border-left-color: rgba(249, 115, 22, 0.2); border-top-color: rgba(249, 115, 22, 0.2); }

/* Completed blocks: green success border */
.block.completed {
    border-left-color: var(--success);
    border-top-color: var(--success);
}

.block.locked .block-header::after {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    margin-left: auto;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect width='18' height='11' x='3' y='11' rx='2' ry='2'/%3E%3Cpath d='M7 11V7a5 5 0 0 1 10 0v4'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
}

/* Block Header */
.block-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.block-type {
    display: flex;
    align-items: center;
    gap: 8px;
}

.block-icon {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.block-icon svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.block-type-name.fact ~ .block-icon svg,
.block:has(.block-type-name.fact) .block-icon svg { stroke: #10b981; }
.block:has(.block-type-name.case) .block-icon svg { stroke: #eab308; }
.block:has(.block-type-name.prompt) .block-icon svg { stroke: #8b5cf6; }
.block:has(.block-type-name.inspiration) .block-icon svg { stroke: #ec4899; }
.block:has(.block-type-name.practice) .block-icon svg { stroke: #f97316; }

.block-type-name {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 3px 8px;
    border-radius: 4px;
}

.block-type-name.fact {
    color: #10b981;
    background: rgba(16, 185, 129, 0.1);
}
.block-type-name.case {
    color: #eab308;
    background: rgba(234, 179, 8, 0.1);
}
.block-type-name.prompt {
    color: #8b5cf6;
    background: rgba(139, 92, 246, 0.1);
}
.block-type-name.inspiration {
    color: #ec4899;
    background: rgba(236, 72, 153, 0.1);
}
.block-type-name.practice {
    color: #f97316;
    background: rgba(249, 115, 22, 0.1);
}

.block-meta {
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-favorite {
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s;
}

.btn-favorite:hover {
    border-color: #fbbf24;
    color: #fbbf24;
    background: rgba(245, 158, 11, 0.1);
}

.btn-favorite.active {
    background: rgba(245, 158, 11, 0.15);
    border-color: #fbbf24;
    color: #fbbf24;
}

/* Block Status Checkbox */
.block-status {
    width: 22px;
    height: 22px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    transition: all 0.3s;
}

.block-status.done {
    background: var(--success);
    border-color: var(--success);
    color: white;
    width: 22px;
    height: 22px;
    border-radius: 50%;
}

/* Block Body */
.block-body {
    padding: 20px 24px;
}

.block-body > *:not(:last-child) {
    margin-bottom: 14px;
}

.block-body hr,
.block-body .block-separator {
    border: none;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.05), transparent);
    margin: 18px 0;
}

.block-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
    line-height: 1.3;
}

.block-content {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.8;
}

.block-content strong {
    color: var(--text);
    font-weight: 600;
}

.block-content em {
    color: #a5b4fc;
    font-style: italic;
}

/* Prompt Box */
.prompt-box {
    background: rgba(139, 92, 246, 0.04);
    border: 1px solid rgba(139, 92, 246, 0.12);
    border-radius: 12px;
    margin-top: 16px;
    overflow: hidden;
}

.prompt-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 16px;
    border-bottom: 1px solid rgba(139, 92, 246, 0.08);
    background: rgba(139, 92, 246, 0.03);
}

.prompt-model {
    font-size: 0.7rem;
    font-weight: 700;
    color: #a78bfa;
    letter-spacing: 0.5px;
}

.copy-btn {
    background: rgba(139, 92, 246, 0.08);
    border: 1px solid rgba(139, 92, 246, 0.15);
    color: #a78bfa;
    padding: 5px 12px;
    border-radius: 6px;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
    font-weight: 500;
}

.copy-btn:hover {
    background: #8b5cf6;
    color: white;
    border-color: #8b5cf6;
}

.prompt-text {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.8rem;
    line-height: 1.7;
    color: #e2e8f0;
    padding: 16px;
    margin: 0;
    white-space: pre-wrap;
    word-break: break-word;
}

.prompt-instruction {
    margin-top: 16px;
    padding: 14px 16px;
    background: rgba(139, 92, 246, 0.04);
    border: 1px solid rgba(139, 92, 246, 0.08);
    border-radius: 10px;
}

.prompt-instruction strong {
    display: block;
    margin-bottom: 6px;
    color: #a78bfa;
    font-size: 0.85rem;
}

.prompt-instruction p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.6;
}

/* Inspiration / Quote */
.inspiration-quote {
    font-size: 1rem;
    font-style: italic;
    color: var(--text);
    padding: 16px 16px 16px 20px;
    border-left: 2px solid rgba(236, 72, 153, 0.4);
    margin: 0;
    line-height: 1.7;
    background: none;
    border-radius: 0;
    border-top: none;
    border-right: none;
    border-bottom: none;
    position: relative;
}

.inspiration-author {
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-top: 10px;
    padding-left: 20px;
    font-style: italic;
}

/* Practice */
.practice-task {
    background: rgba(249, 115, 22, 0.04);
    border: 1px solid rgba(249, 115, 22, 0.1);
    border-radius: 10px;
    padding: 16px;
    margin-top: 12px;
}

.practice-task strong {
    color: #f97316;
    display: block;
    margin-bottom: 8px;
    font-size: 0.85rem;
}

.practice-task p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.85rem;
}

/* Complete Button — Analytical: compact, text-like */
.complete-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 16px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    margin-top: 16px;
    transition: all 0.2s;
}

.complete-btn:hover {
    border-color: var(--success);
    color: var(--success);
    background: rgba(16, 185, 129, 0.06);
}

.complete-btn.done {
    border-color: transparent;
    background: transparent;
    color: var(--success);
    cursor: default;
    padding: 0;
    border: none;
    font-weight: 600;
}

/* Day Navigation */
.day-nav {
    margin-bottom: 10px;
}

/* Day Navigation (bottom) */
.day-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: 32px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.day-navigation .btn {
    font-size: 0.8rem;
}

/* Preview Banner */
.preview-banner {
    background: rgba(99, 102, 241, 0.06);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: 10px;
    padding: 14px 16px;
    margin: 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.preview-text { color: var(--text-secondary); font-size: 0.85rem; }
.preview-text strong { color: var(--text); }

.back-link {
    display: inline-block;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 16px;
    transition: color 0.2s;
}
.back-link:hover { color: var(--text); }

/* Day Complete */
.day-complete {
    text-align: left;
    padding: 32px 28px;
    background: var(--bg-card);
    border: none;
    border-left: 3px solid #10b981;
    border-radius: 0;
    margin-top: 32px;
}

.day-complete-icon { margin-bottom: 16px; line-height: 1; }
.day-complete h2 {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 12px;
    color: #10b981;
}
.day-complete p { color: var(--text-secondary); margin-bottom: 20px; font-size: 0.9rem; line-height: 1.6; }
.day-complete-link {
    display: inline-block;
    color: #10b981;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-decoration: none;
    transition: color 0.2s;
}
.day-complete-link:hover { color: #059669; }

/* AI Models Dropdown */
.ai-models-dropdown {
    margin-top: 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}

.ai-models-toggle {
    display: block;
    padding: 10px 14px;
    background: rgba(255, 255, 255, 0.02);
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.2s;
    list-style: none;
}

.ai-models-toggle::-webkit-details-marker { display: none; }

.ai-models-toggle::before {
    content: '▶';
    display: inline-block;
    margin-right: 6px;
    font-size: 0.6rem;
    transition: transform 0.2s;
}

details[open] .ai-models-toggle::before { transform: rotate(90deg); }

.ai-models-toggle:hover {
    background: var(--bg-card);
    color: var(--text);
}

.ai-models-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.01);
}

.ai-model-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 6px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    text-decoration: none;
    font-size: 0.8rem;
    transition: all 0.2s;
}

.ai-model-link:hover {
    border-color: var(--model-color);
    background: color-mix(in srgb, var(--model-color) 12%, transparent);
}

.ai-model-icon { font-size: 1rem; }

/* Prompt Share */
.prompt-share {
    margin-top: 16px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.prompt-share-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.prompt-share-buttons {
    display: flex;
    gap: 6px;
}

.prompt-share-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.prompt-share-btn:hover { transform: translateY(-1px); }
.prompt-share-btn.telegram:hover { background: #0088cc; border-color: #0088cc; color: white; }
.prompt-share-btn.whatsapp:hover { background: #25d366; border-color: #25d366; color: white; }
.prompt-share-btn.vk:hover { background: #4a76a8; border-color: #4a76a8; color: white; }

/* Toast */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-card);
    border: 1px solid var(--success);
    border-radius: 10px;
    padding: 10px 16px;
    z-index: 999;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s ease;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

/* Light Theme Overrides */
[data-theme="light"] .day-number-badge {
    background: rgba(16, 185, 129, 0.1);
}

[data-theme="light"] .day-badge {
    background: rgba(16, 185, 129, 0.08);
    color: #059669;
}

[data-theme="light"] .day-title {
    color: var(--text);
    background: none;
    -webkit-text-fill-color: unset;
}

[data-theme="light"] .block {
    background: #ffffff;
    border-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .block:hover {
    border-color: rgba(0, 0, 0, 0.15);
}

[data-theme="light"] .block-header {
    border-bottom-color: rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .block-icon {
    background: rgba(0, 0, 0, 0.03);
}

[data-theme="light"] .block-status {
    border-color: rgba(0, 0, 0, 0.12);
}

[data-theme="light"] .btn-favorite {
    background: rgba(0, 0, 0, 0.02);
    border-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .prompt-box {
    background: #f8f9fc;
    border-color: rgba(139, 92, 246, 0.15);
}

[data-theme="light"] .prompt-header {
    background: rgba(139, 92, 246, 0.04);
}

[data-theme="light"] .prompt-text {
    color: #1a1a2e;
}

[data-theme="light"] .complete-btn {
    background: transparent;
    border-color: rgba(0, 0, 0, 0.1);
}

/* Responsive */
@media (max-width: 768px) {
    .day-header { padding: 20px 0; }
    .day-title { font-size: 1.2rem; }
    .day-header-new { flex-direction: column; gap: 10px; }
    .day-title-block { text-align: left; }
    .day-title-block h1 { font-size: 1.1rem; white-space: normal; }
    .day-progress-info { text-align: left; }
    .block-body { padding: 16px; }
    .block-header { padding: 12px 16px; }
    .block-icon { width: 24px; height: 24px; font-size: 0.9rem; }
    .preview-banner { flex-direction: column; text-align: center; }
    .prompt-share { flex-direction: column; align-items: flex-start; }
    .day-navigation { flex-direction: column; gap: 10px; }
    .day-navigation .btn { width: 100%; text-align: center; }
    .inspiration-quote { padding: 14px 14px 14px 16px; font-size: 0.95rem; }

    .day-step-dot { width: 28px; height: 28px; font-size: 0.6rem; }
    .day-step-label { display: none; }
    .day-step-line { margin-top: 13px; }

    .blocks { gap: 12px; }

    .block:not(.locked) .block-header {
        cursor: pointer;
        position: relative;
    }

    .block:not(.locked) .block-header::before {
        content: '';
        position: absolute;
        right: 16px;
        top: 50%;
        transform: translateY(-50%) rotate(0deg);
        width: 0;
        height: 0;
        border-left: 5px solid transparent;
        border-right: 5px solid transparent;
        border-top: 5px solid rgba(255, 255, 255, 0.4);
        transition: transform 0.2s;
    }

    .block:not(.locked).mob-open .block-header::before {
        transform: translateY(-50%) rotate(180deg);
    }

    .block:not(.locked):not(.mob-open) .block-body {
        display: none;
    }

    .block:not(.locked):not(.mob-open) .block-footer {
        display: none;
    }
}