@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@700;900&family=Bebas+Neue&family=Archivo+Black&display=swap');

/* ============================================
   Persona 5 Royal Theme
   "Pop Punk" — bold, clean, angular
   P5R palette: #d92323 red, #0d0d0d near-black, #ffffff white
   Ransom-note typography, diagonal stripes, selective skew
   ============================================ */

[data-theme="persona5-dark"] {
    --bg-dark: #0d0d0d;
    --bg-card: #141414;
    --bg-code: #1a1a1a;
    --bg-lighter: #222;
    --green-bright: #00ff41;
    --green-dim: #00cc33;
    --green-glow: rgba(0, 255, 65, 0.15);
    --orange: #ff6b6b;
    --purple: #ff1744;
    --blue: #00e5ff;
    --cyan: #18ffff;
    --red: #d92323;
    --text-main: #ffffff;
    --text: #ffffff;
    --text-dim: #888;
    --border: #2a2a2a;
}

/* --- Typography --- */
[data-theme="persona5-dark"] {
    font-family: 'Barlow Condensed', sans-serif;
    font-weight: 500;
    letter-spacing: 0.01em;
}

[data-theme="persona5-dark"] h1,
[data-theme="persona5-dark"] h2,
[data-theme="persona5-dark"] .module-num,
[data-theme="persona5-dark"] .track-title,
[data-theme="persona5-dark"] .session-title {
    font-family: 'Bebas Neue', 'Archivo Black', sans-serif;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

[data-theme="persona5-dark"] .stat-value,
[data-theme="persona5-dark"] .session-countdown {
    font-family: 'Archivo Black', sans-serif;
}

/* --- Body: Subtle diagonal stripe background --- */
[data-theme="persona5-dark"] body {
    background:
        repeating-linear-gradient(
            -55deg,
            transparent,
            transparent 18px,
            rgba(217, 35, 35, 0.025) 18px,
            rgba(217, 35, 35, 0.025) 20px
        ),
        var(--bg-dark);
}

/* --- Scrollbar --- */
[data-theme="persona5-dark"] ::-webkit-scrollbar { width: 6px; }
[data-theme="persona5-dark"] ::-webkit-scrollbar-track { background: #0a0a0a; }
[data-theme="persona5-dark"] ::-webkit-scrollbar-thumb { background: var(--red); }
[data-theme="persona5-dark"] ::-webkit-scrollbar-thumb:hover { background: #ff2233; }

/* --- Selection --- */
[data-theme="persona5-dark"] ::selection {
    background: var(--red);
    color: #fff;
}

/* --- Links --- */
[data-theme="persona5-dark"] a { color: var(--red); text-decoration: none; }
[data-theme="persona5-dark"] a:hover { color: #ff3838; }
[data-theme="persona5-dark"] .breadcrumb a,
[data-theme="persona5-dark"] .sidebar-header a { color: var(--red); }

/* --- Inline code --- */
[data-theme="persona5-dark"] code:not(.code-block code):not(pre code) {
    background: rgba(217, 35, 35, 0.1);
    color: #ff5555;
    border: 1px solid rgba(217, 35, 35, 0.2);
    border-radius: 0;
}

/* --- Container left accent --- */
[data-theme="persona5-dark"] .container { position: relative; }
[data-theme="persona5-dark"] .container::before {
    content: '';
    position: absolute;
    left: -3px;
    top: 0;
    width: 3px;
    height: 100%;
    background: var(--red);
}

/* --- Module tag: angular label --- */
[data-theme="persona5-dark"] .module-tag {
    display: inline-block;
    background: var(--red);
    color: #fff;
    padding: 0.2rem 1.2rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    transform: skewX(-8deg);
    border: none;
}

/* --- H1: bold with diagonal underline --- */
[data-theme="persona5-dark"] h1 {
    font-size: 2.5rem;
    color: #fff;
    position: relative;
    padding-bottom: 0.75rem;
}
[data-theme="persona5-dark"] h1::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 120px;
    height: 4px;
    background: var(--red);
    transform: skewX(-20deg);
}

/* --- Module description --- */
[data-theme="persona5-dark"] .module-desc {
    border-left: 3px solid var(--red);
    padding-left: 1rem;
}

/* --- H2: ransom-note first letter, diagonal underline --- */
[data-theme="persona5-dark"] h2 {
    position: relative;
    padding-bottom: 0.75rem;
    margin-bottom: 1.5rem;
    border-bottom: none;
}
[data-theme="persona5-dark"] h2::first-letter {
    background: var(--red);
    color: #fff;
    padding: 0 0.15em;
    margin-right: 0.05em;
}
[data-theme="persona5-dark"] h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--red);
    transform: skewX(-20deg);
}

/* --- Lessons: red top border --- */
[data-theme="persona5-dark"] .lesson {
    position: relative;
    border-top: 3px solid var(--red);
    border-radius: 0;
}

/* --- Tips, Warnings, Info --- */
[data-theme="persona5-dark"] .tip,
[data-theme="persona5-dark"] .warning,
[data-theme="persona5-dark"] .info {
    border: 1px solid #2a2a2a;
    border-radius: 0;
    position: relative;
}
[data-theme="persona5-dark"] .tip::before,
[data-theme="persona5-dark"] .warning::before,
[data-theme="persona5-dark"] .info::before {
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-family: 'Barlow Condensed', sans-serif;
}
[data-theme="persona5-dark"] .tip {
    background: rgba(0, 255, 65, 0.05);
    border-left: 4px solid var(--green-bright);
}
[data-theme="persona5-dark"] .warning {
    background: rgba(217, 35, 35, 0.05);
    border-left: 4px solid var(--red);
}
[data-theme="persona5-dark"] .info {
    background: rgba(0, 229, 255, 0.05);
    border-left: 4px solid var(--blue);
}

/* --- Code blocks: clean border, red left accent --- */
[data-theme="persona5-dark"] .code-block,
[data-theme="persona5-dark"] .code-labeled,
[data-theme="persona5-dark"] .lesson pre {
    border: 2px solid #222 !important;
    border-left: 4px solid var(--red) !important;
    border-radius: 0 !important;
    box-shadow: none;
}
[data-theme="persona5-dark"] .code-compare {
    border: 2px solid #222 !important;
    border-radius: 0 !important;
}
[data-theme="persona5-dark"] .code-compare .code-labeled {
    border: none !important;
}
[data-theme="persona5-dark"] pre { border: none; }
[data-theme="persona5-dark"] .code-header {
    background: #0d0d0d !important;
    color: #fff !important;
    border: none !important;
    border-bottom: 1px solid #2a2a2a !important;
    border-left: 4px solid var(--red) !important;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-radius: 0 !important;
}
[data-theme="persona5-dark"] .code-header.python { border-left-color: #3776ab !important; }
[data-theme="persona5-dark"] .code-header.go { border-left-color: #00add8 !important; }

/* --- Nav buttons: angular parallelogram --- */
[data-theme="persona5-dark"] .nav-btn {
    transform: skewX(-5deg);
    border: 2px solid var(--red) !important;
    border-radius: 0;
    background: var(--bg-card);
    box-shadow: none;
    transition: all 0.2s ease;
    font-weight: 700;
}
[data-theme="persona5-dark"] .nav-btn > * {
    display: inline-block;
    transform: skewX(5deg);
}
[data-theme="persona5-dark"] .nav-btn:hover {
    background: var(--red) !important;
    color: #fff !important;
    transform: skewX(-5deg) translateY(-2px);
    box-shadow: 0 6px 20px rgba(217, 35, 35, 0.35);
}

/* --- Cards: clean borders, red left accent on hover --- */
[data-theme="persona5-dark"] .card,
[data-theme="persona5-dark"] .stat-card,
[data-theme="persona5-dark"] .module-item {
    border: 2px solid #2a2a2a !important;
    border-radius: 0 !important;
    box-shadow: none;
    position: relative;
}

[data-theme="persona5-dark"] .module-card {
    border: 2px solid #2a2a2a;
    border-radius: 0;
    position: relative;
    overflow: hidden;
    transition: all 0.2s ease;
}
[data-theme="persona5-dark"] .module-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 3px;
    height: 100%;
    background: var(--red);
    transition: width 0.2s ease;
}
[data-theme="persona5-dark"] .module-card:hover {
    border-color: var(--red);
    transform: translateX(-3px);
    box-shadow: 3px 0 0 var(--red);
}
[data-theme="persona5-dark"] .module-card:hover::before {
    width: 5px;
}

/* --- Session timer --- */
[data-theme="persona5-dark"] .session-timer,
[data-theme="persona5-dark"] .floating-session-timer {
    border: 2px solid var(--red) !important;
    border-radius: 0 !important;
    box-shadow: none;
}

/* --- Buttons: bold, uppercase, red hover --- */
[data-theme="persona5-dark"] button:not(.sidebar-toggle),
[data-theme="persona5-dark"] .quick-btn,
[data-theme="persona5-dark"] .data-btn {
    font-family: 'Barlow Condensed', sans-serif;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border: 2px solid #333 !important;
    border-radius: 0 !important;
    box-shadow: none;
    transition: all 0.15s ease;
}
[data-theme="persona5-dark"] button:not(.sidebar-toggle):hover,
[data-theme="persona5-dark"] .quick-btn:hover,
[data-theme="persona5-dark"] .data-btn:hover {
    background: var(--red) !important;
    color: #fff !important;
    border-color: var(--red) !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(217, 35, 35, 0.3);
}

/* --- Module numbers: red angular badge --- */
[data-theme="persona5-dark"] .module-num {
    background: var(--red);
    color: #fff;
    padding: 0.2rem 0.6rem;
    font-weight: 900;
    display: inline-block;
    transform: skewX(-5deg);
    border: none;
    box-shadow: none;
}

/* --- Progress bars --- */
[data-theme="persona5-dark"] .session-progress {
    border: 1px solid #333;
    border-radius: 0;
    height: 10px;
}
[data-theme="persona5-dark"] .session-progress-bar {
    background: var(--red) !important;
    border-radius: 0;
}

/* --- Checkboxes --- */
[data-theme="persona5-dark"] .module-checkbox {
    border: 2px solid #444 !important;
    border-radius: 0 !important;
}
[data-theme="persona5-dark"] .module-checkbox:checked {
    background: var(--red) !important;
    border-color: var(--red) !important;
}

/* --- Track titles: diagonal stripe banner --- */
[data-theme="persona5-dark"] .track-title {
    background:
        repeating-linear-gradient(
            -55deg,
            var(--red),
            var(--red) 10px,
            #b91c1c 10px,
            #b91c1c 20px
        );
    color: #fff;
    padding: 0.75rem 2rem;
    margin: 1.5rem -1.5rem;
    font-size: 1.3rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    position: relative;
    border: none;
    box-shadow: none;
    transform: skewX(-3deg);
}
[data-theme="persona5-dark"] .track-title > * {
    display: inline-block;
    transform: skewX(3deg);
}
[data-theme="persona5-dark"] .track-title::before {
    content: '\25B6';
    margin-right: 0.5rem;
}

/* --- Stats: clean, readable (no text-stroke) --- */
[data-theme="persona5-dark"] .stat-value {
    color: var(--red);
    text-shadow: none;
    -webkit-text-stroke: 0;
}

/* --- Session countdown --- */
[data-theme="persona5-dark"] .session-countdown {
    color: var(--red);
    font-size: 1.4rem;
    text-shadow: none;
    -webkit-text-stroke: 0;
}

/* --- Sidebar: red accent, clean hover --- */
[data-theme="persona5-dark"] .sidebar {
    background: #0a0a0a;
    border-right: 2px solid var(--red);
}
[data-theme="persona5-dark"] .sidebar-link {
    border-left: 3px solid transparent;
    transition: all 0.15s ease;
    position: relative;
}
[data-theme="persona5-dark"] .sidebar-link::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--red);
    opacity: 0;
    z-index: -1;
    transition: opacity 0.15s ease;
}
[data-theme="persona5-dark"] .sidebar-link:hover {
    color: #fff;
    background: transparent;
}
[data-theme="persona5-dark"] .sidebar-link:hover::before { opacity: 0.1; }
[data-theme="persona5-dark"] .sidebar-link.active {
    color: #fff;
    background: transparent;
    border-left-color: var(--red);
}
[data-theme="persona5-dark"] .sidebar-link.active::before { opacity: 0.18; }
[data-theme="persona5-dark"] .sidebar-module-num {
    color: var(--red);
    opacity: 1;
}

/* --- Module links --- */
[data-theme="persona5-dark"] .module-link {
    position: relative;
    padding-left: 1.5rem;
}
[data-theme="persona5-dark"] .module-link::before {
    content: '\25B6';
    position: absolute;
    left: 0.25rem;
    color: var(--red);
    font-weight: 900;
    font-size: 0.7rem;
}

/* --- Dashboard panel buttons --- */
[data-theme="persona5-dark"] .session-start-btn {
    background: var(--red) !important;
    color: #fff !important;
    border-color: var(--red) !important;
}
[data-theme="persona5-dark"] .session-start-btn:hover {
    background: #ff2233 !important;
    box-shadow: 0 4px 16px rgba(217, 35, 35, 0.3);
}
[data-theme="persona5-dark"] .resume-btn {
    background: var(--red) !important;
    color: #fff !important;
}
[data-theme="persona5-dark"] .resume-btn:hover {
    background: #ff2233 !important;
    box-shadow: 0 4px 16px rgba(217, 35, 35, 0.3);
}

/* --- Quick action buttons --- */
[data-theme="persona5-dark"] .quick-btn.primary {
    background: var(--red) !important;
    color: #fff !important;
    border-color: var(--red) !important;
}
[data-theme="persona5-dark"] .quick-btn.primary:hover {
    background: #ff2233 !important;
    box-shadow: 0 6px 24px rgba(217, 35, 35, 0.4);
}

/* --- Exercise blocks --- */
[data-theme="persona5-dark"] .exercise {
    border: 1px solid #2a2a2a;
    border-left: 4px solid var(--red);
    border-radius: 0;
}

/* --- Staggered entrance animations --- */
/* --- Landing page --- */
[data-theme="persona5-dark"] .landing .hero-brand {
    color: var(--red);
    letter-spacing: 0.2em;
}
[data-theme="persona5-dark"] .landing .hero h1 {
    font-family: 'Bebas Neue', 'Archivo Black', sans-serif;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 3.5rem;
}
[data-theme="persona5-dark"] .landing .hero h1 .accent {
    color: var(--red);
}
[data-theme="persona5-dark"] .landing .features {
    border: 2px solid var(--red);
    border-radius: 0;
    background: #1a1a1a;
}
[data-theme="persona5-dark"] .landing .feature {
    border-radius: 0;
    position: relative;
}
[data-theme="persona5-dark"] .landing .feature-icon {
    color: var(--red);
    font-weight: 900;
}
[data-theme="persona5-dark"] .landing .feature-title {
    font-family: 'Barlow Condensed', sans-serif;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
[data-theme="persona5-dark"] .landing .section-label {
    color: var(--red);
    font-weight: 900;
    letter-spacing: 0.15em;
}
[data-theme="persona5-dark"] .landing .course-card {
    border: 2px solid #2a2a2a;
    border-radius: 0;
    transition: all 0.15s ease;
    position: relative;
}
[data-theme="persona5-dark"] .landing .course-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 3px;
    height: 100%;
    background: var(--red);
}
[data-theme="persona5-dark"] .landing .course-card:hover {
    border-color: var(--red);
    transform: skewX(-1deg) translateY(-2px);
    box-shadow: 4px 4px 0 var(--red);
}
[data-theme="persona5-dark"] .landing .course-card .course-name {
    font-family: 'Bebas Neue', sans-serif;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-size: 1.5rem;
}
[data-theme="persona5-dark"] .landing .course-card .course-status {
    color: var(--red);
}
[data-theme="persona5-dark"] .landing .landing-footer .vibe-tag {
    color: var(--red);
    opacity: 0.8;
}

@keyframes p5SlideIn {
    from {
        opacity: 0;
        transform: translateX(-12px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}
[data-theme="persona5-dark"] .lesson,
[data-theme="persona5-dark"] .module-card {
    animation: p5SlideIn 0.25s ease-out both;
}
[data-theme="persona5-dark"] .lesson:nth-child(2) { animation-delay: 0.04s; }
[data-theme="persona5-dark"] .lesson:nth-child(3) { animation-delay: 0.08s; }
[data-theme="persona5-dark"] .lesson:nth-child(4) { animation-delay: 0.12s; }
[data-theme="persona5-dark"] .lesson:nth-child(5) { animation-delay: 0.16s; }
[data-theme="persona5-dark"] .lesson:nth-child(6) { animation-delay: 0.2s; }
[data-theme="persona5-dark"] .module-card:nth-child(2) { animation-delay: 0.04s; }
[data-theme="persona5-dark"] .module-card:nth-child(3) { animation-delay: 0.08s; }
[data-theme="persona5-dark"] .module-card:nth-child(4) { animation-delay: 0.12s; }
[data-theme="persona5-dark"] .module-card:nth-child(5) { animation-delay: 0.16s; }
[data-theme="persona5-dark"] .module-card:nth-child(6) { animation-delay: 0.2s; }
[data-theme="persona5-dark"] .module-card:nth-child(7) { animation-delay: 0.24s; }
[data-theme="persona5-dark"] .module-card:nth-child(8) { animation-delay: 0.28s; }