/* ============================================
   MarkdownCraft — Shared Stylesheet
   ============================================ */

/* ─── Reset & Base ─── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --accent: #3b82f6;
    --accent-dark: #2563eb;
    --danger: #ef4444;
    --danger-dark: #dc2626;
    --success: #10b981;
    --radius: 1rem;
    --radius-lg: 2rem;
    --transition: 0.25s ease;
}

body {
    font-family: 'Inter', sans-serif;
    background: radial-gradient(circle at 20% 30%, #e0eafc, #cfdef3);
    min-height: 100vh;
    color: #1e293b;
    transition: background var(--transition), color var(--transition);
    padding: 2rem;
}

body.dark {
    background: radial-gradient(circle at 30% 10%, #0b1120, #0a0f1c);
    color: #f1f5f9;
}

/* ─── Glass Card ─── */
.glass-card {
    backdrop-filter: blur(16px);
    background: rgba(255, 255, 255, 0.85);
    border-radius: var(--radius-lg);
    box-shadow: 0 25px 45px -12px rgba(0,0,0,0.25);
    border: 1px solid rgba(255,255,255,0.3);
    transition: background var(--transition), border-color var(--transition);
}
body.dark .glass-card {
    background: rgba(15, 25, 45, 0.85);
    border-color: rgba(255,255,255,0.15);
}

/* ─── App Wrapper ─── */
.app-wrapper { max-width: 1400px; margin: 0 auto; }

/* ─── Buttons ─── */
.btn-glass {
    background: rgba(255,255,240,0.2);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255,255,255,0.3);
    padding: 0.5rem 1.2rem;
    border-radius: 2rem;
    font-weight: 500;
    cursor: pointer;
    transition: 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #1f2a44;
    text-decoration: none;
    font-size: 0.88rem;
    font-family: inherit;
}
body.dark .btn-glass { color: #eef2ff; background: rgba(20,30,55,0.8); border-color: rgba(255,255,255,0.15); }
.btn-glass:hover { transform: translateY(-2px); background: rgba(255,255,255,0.5); }
body.dark .btn-glass:hover { background: rgba(40,55,100,0.9); }

.btn-primary { background: linear-gradient(120deg, var(--accent), var(--accent-dark)); border: none; color: white !important; }
.btn-primary:hover { background: linear-gradient(120deg, var(--accent-dark), #1d4ed8); transform: translateY(-2px); }

.btn-danger { background: linear-gradient(120deg, var(--danger), var(--danger-dark)); border: none; color: white !important; }
.btn-danger:hover { filter: brightness(1.1); transform: translateY(-2px); }

/* ============================================
   NAVBAR — Unified Top Bar
   ============================================ */
.mc-navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.75rem 1.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    position: sticky;
    top: 1rem;
    z-index: 100;
}

/* Logo */
.mc-nav-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 800;
    font-size: 1.25rem;
    background: linear-gradient(135deg, #1E2A5E, #556B9D);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    flex-shrink: 0;
    text-decoration: none;
}
body.dark .mc-nav-logo {
    background: linear-gradient(135deg, #B2C9FF, #8AA6FF);
    -webkit-background-clip: text;
    background-clip: text;
}
.mc-nav-sub {
    font-size: 0.75rem;
    font-weight: 400;
    opacity: 0.7;
}

/* Nav Links */
.mc-nav-links {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    flex-wrap: wrap;
}
.mc-nav-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 0.4rem 0.9rem;
    border-radius: 2rem;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    color: #475569;
    transition: 0.2s;
    border: 1px solid transparent;
}
body.dark .mc-nav-link { color: #94a3b8; }
.mc-nav-link:hover {
    background: rgba(59,130,246,0.1);
    color: var(--accent);
    border-color: rgba(59,130,246,0.2);
}
.mc-nav-link.active {
    background: linear-gradient(120deg, var(--accent), var(--accent-dark));
    color: white;
    border-color: transparent;
    box-shadow: 0 2px 10px rgba(59,130,246,0.35);
}
.mc-nav-link i { font-size: 0.8rem; }

/* Nav Actions */
.mc-nav-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
}

/* ============================================
   THEME TOGGLE — Light / Dark Switch
   ============================================ */
.mc-theme-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0,0,0,0.06);
    border: 1px solid rgba(0,0,0,0.1);
    border-radius: 2rem;
    padding: 0.35rem 0.85rem;
    cursor: pointer;
    transition: 0.2s;
    font-size: 0.82rem;
    font-weight: 600;
    color: #475569;
    font-family: inherit;
    user-select: none;
}
body.dark .mc-theme-toggle {
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.15);
    color: #94a3b8;
}
.mc-theme-toggle:hover { transform: scale(1.03); }

/* Toggle Track */
.mc-theme-track {
    width: 36px;
    height: 20px;
    background: #cbd5e1;
    border-radius: 20px;
    position: relative;
    transition: background 0.25s;
    flex-shrink: 0;
}
body.dark .mc-theme-track { background: var(--accent); }

/* Toggle Thumb */
.mc-theme-thumb {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 14px;
    height: 14px;
    background: white;
    border-radius: 50%;
    transition: transform 0.25s ease;
    box-shadow: 0 1px 4px rgba(0,0,0,0.25);
}
body.dark .mc-theme-thumb { transform: translateX(16px); }

/* Icons in toggle */
.mc-sun-icon  { color: #f59e0b; font-size: 0.85rem; transition: 0.2s; }
.mc-moon-icon { color: #6366f1; font-size: 0.85rem; transition: 0.2s; }

body.dark .mc-sun-icon  { opacity: 0.45; }
body.light .mc-moon-icon, body:not(.dark) .mc-moon-icon { opacity: 0.45; }

/* Mode label (optional span) */
.mc-mode-label {
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.3px;
    min-width: 32px;
    text-align: center;
}

/* ─── Footer ─── */
.mc-footer {
    text-align: center;
    margin-top: 2rem;
    padding: 1rem;
    opacity: 0.6;
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

/* ─── Toast ─── */
.mc-toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: #1e293bee;
    backdrop-filter: blur(12px);
    color: white;
    padding: 0.65rem 1.3rem;
    border-radius: 40px;
    z-index: 9999;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.88rem;
    animation: mcSlideIn 0.22s ease;
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}
body.dark .mc-toast { background: #0f172aee; }
@keyframes mcSlideIn {
    from { opacity: 0; transform: translateY(16px) scale(0.95); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ─── Page Heading ─── */
.mc-page-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 1.5rem;
    font-size: 1.6rem;
    font-weight: 700;
}
.mc-page-header i { color: var(--accent); }

/* ─── Step Boxes ─── */
.mc-step {
    background: rgba(0,0,0,0.04);
    border-radius: 1.2rem;
    padding: 1rem 1.2rem;
    margin: 1rem 0;
    border-right: 4px solid var(--accent);
}
body.dark .mc-step { background: rgba(255,255,255,0.05); }

.mc-badge {
    background: var(--accent);
    color: white;
    display: inline-block;
    padding: 0.2rem 0.8rem;
    border-radius: 2rem;
    font-size: 0.72rem;
    font-weight: 700;
    margin-left: 0.5rem;
}

/* ─── Feature Card ─── */
.mc-feature-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin: 1rem 0;
}
.mc-feature-card {
    background: rgba(255,255,255,0.35);
    backdrop-filter: blur(4px);
    border-radius: 1.2rem;
    padding: 1rem;
    flex: 1 1 200px;
    text-align: center;
    transition: transform 0.2s;
}
.mc-feature-card:hover { transform: translateY(-4px); }
body.dark .mc-feature-card { background: rgba(0,0,0,0.3); }
.mc-feature-card i { font-size: 2rem; color: var(--accent); margin-bottom: 0.5rem; display: block; }

/* ─── Use-case cards ─── */
.mc-use-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
    margin: 1.5rem 0;
}
.mc-use-card {
    background: rgba(255,255,255,0.45);
    backdrop-filter: blur(4px);
    border-radius: 1.5rem;
    padding: 1.5rem;
    transition: transform 0.2s;
    border: 1px solid rgba(255,255,255,0.4);
}
.mc-use-card:hover { transform: translateY(-5px); }
body.dark .mc-use-card { background: rgba(0,0,0,0.3); border-color: rgba(255,255,255,0.08); }
.mc-use-icon { font-size: 2.5rem; color: var(--accent); margin-bottom: 1rem; }

/* ─── Privacy Sections ─── */
.mc-privacy-section h2 { font-size: 1.1rem; margin: 1.5rem 0 0.5rem; display: flex; align-items: center; gap: 8px; }
.mc-privacy-section p, .mc-privacy-section li { line-height: 1.7; margin: 0.4rem 0; }
.mc-privacy-section ul { margin-right: 1.5rem; }

.mc-badge-safe {
    background: var(--success);
    color: white;
    border-radius: 2rem;
    padding: 0.2rem 0.8rem;
    font-size: 0.8rem;
    display: inline-block;
    vertical-align: middle;
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
    body { padding: 0.75rem; }
    .mc-navbar { position: static; flex-direction: column; align-items: flex-start; gap: 0.75rem; }
    .mc-nav-links { gap: 0.2rem; }
    .mc-nav-link span { display: none; }
    .mc-nav-link { padding: 0.4rem 0.6rem; }
    .mc-nav-link i { font-size: 1rem; }
}
@media (max-width: 480px) {
    .mc-nav-logo .mc-nav-sub { display: none; }
}