/* ─── Reiwa Sakura Tech — Design System v3.0 ─────────────────────────────── */

/* Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* ─── Light Mode (default) ────────────────────────────────────────────────── */
:root {
  --bg:         #faf8ff;
  --bg-alt:     #f0ecfe;
  --surface:    #ffffff;
  --surface-2:  #f5f2ff;
  --surface-3:  #ede9fe;
  --border:     rgba(100, 50, 200, .14);
  --border-2:   rgba(100, 50, 200, .22);
  --text:       #0d0b14;
  --text-muted: #4a4060;
  --text-dim:   #8078a8;
  --purple:     #7c3aed;
  --purple-lt:  #a96ef5;
  --pink:       #db2777;
  --pink-lt:    #e8788a;
  --gold:       #d97706;
  --gold-lt:    #f7c948;
  --teal:       #0d9488;
  --teal-lt:    #4ecdc4;
  --green:      #059669;
  --green-lt:   #3ddc84;
  --red:        #dc2626;
  --red-lt:     #f87171;
  --orange:     #ea580c;
  --orange-lt:  #f08a50;
  --accent:       var(--purple);
  --accent-glow:  rgba(124, 58, 237, .25);
  --pixel-dot:    rgba(124, 58, 237, .07);
  --skeleton-glow: rgba(219, 39, 119, 0.15);
  --scan-line:    rgba(0, 0, 0, .02);
  --card-shadow:  0 1px 3px rgba(0,0,0,.06), 0 4px 12px rgba(0,0,0,.04);
  --card-shadow-hover: 0 4px 16px rgba(124,58,237,.12), 0 1px 3px rgba(0,0,0,.06);
  --radius-sm:  6px;
  --radius:     10px;
  --radius-lg:  16px;
  --radius-xl:  24px;
  --trans:      all .2s ease;
  --trans-slow: all .4s cubic-bezier(.4,0,.2,1);
}

/* ─── Dark Mode ───────────────────────────────────────────────────────────── */
[data-theme="dark"] {
  --bg:         #0d0b14;
  --bg-alt:     #110f1f;
  --surface:    #161330;
  --surface-2:  #1e1b38;
  --surface-3:  #252248;
  --border:     rgba(160, 90, 250, .10);
  --border-2:   rgba(160, 90, 250, .20);
  --text:       #e8e0ff;
  --text-muted: #9088be;
  --text-dim:   #5a5080;
  --purple:     #a96ef5;
  --purple-lt:  #c4a0fa;
  --pink:       #e8788a;
  --pink-lt:    #f4a4b0;
  --gold:       #f7c948;
  --gold-lt:    #fde68a;
  --teal:       #4ecdc4;
  --teal-lt:    #81e6e0;
  --green:      #3ddc84;
  --green-lt:   #6ee7a8;
  --red:        #f87171;
  --red-lt:     #fca5a5;
  --accent:     var(--purple);
  --accent-glow:rgba(169, 110, 245, .3);
  --pixel-dot:  rgba(169, 110, 245, .08);
  --skeleton-glow: rgba(232, 120, 138, 0.20);
  --scan-line:  rgba(0, 0, 0, .04);
  --card-shadow:0 1px 3px rgba(0,0,0,.4), 0 4px 16px rgba(0,0,0,.3);
  --card-shadow-hover:0 4px 24px rgba(169,110,245,.2), 0 1px 3px rgba(0,0,0,.4);
}

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

html {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  background: var(--bg);
  color: var(--text);
  transition: background .3s ease, color .3s ease;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ─── Pixel Dot Grid ──────────────────────────────────────────────────────── */
.pixel-grid {
  background-image: radial-gradient(circle, var(--pixel-dot) 1.5px, transparent 1.5px);
  background-size: 22px 22px;
}

/* ─── CRT Scanlines ───────────────────────────────────────────────────────── */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent 0px,
    transparent 2px,
    var(--scan-line) 2px,
    var(--scan-line) 4px
  );
  pointer-events: none;
  z-index: 9998;
  opacity: .6;
}

/* ─── Typography ──────────────────────────────────────────────────────────── */
h1, h2, h3, h4, h5 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--text);
}

.mono { font-family: 'JetBrains Mono', monospace; }

.label-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: .68rem;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  opacity: .8;
}

/* ─── Glow ────────────────────────────────────────────────────────────────── */
.glow { text-shadow: 0 0 20px var(--accent-glow), 0 0 40px var(--accent-glow); }
.glow-border { box-shadow: 0 0 0 1px var(--border-2), 0 0 16px var(--accent-glow); }

/* ─── Glitch ──────────────────────────────────────────────────────────────── */
@keyframes glitch-1 {
  0%, 90%, 100% { clip-path: inset(0 0 100% 0); transform: translate(0); opacity: 0; }
  91% { clip-path: inset(15% 0 65% 0); transform: translate(-3px, 0); opacity: .7; }
  93% { clip-path: inset(55% 0 25% 0); transform: translate(3px, 0); opacity: .7; }
  95% { clip-path: inset(30% 0 50% 0); transform: translate(0); opacity: .7; }
}
@keyframes glitch-2 {
  0%, 90%, 100% { clip-path: inset(0 0 100% 0); transform: translate(0); opacity: 0; }
  92% { clip-path: inset(65% 0 15% 0); transform: translate(3px, 0); opacity: .5; }
  94% { clip-path: inset(25% 0 55% 0); transform: translate(-3px, 0); opacity: .5; }
  96% { clip-path: inset(45% 0 35% 0); transform: translate(0); opacity: .5; }
}
.glitch { position: relative; display: inline-block; }
.glitch::before {
  content: attr(data-text); position: absolute; inset: 0;
  color: var(--pink); animation: glitch-1 5s infinite;
}
.glitch::after {
  content: attr(data-text); position: absolute; inset: 0;
  color: var(--teal); animation: glitch-2 5s infinite .3s;
}

/* ─── AOS ─────────────────────────────────────────────────────────────────── */
[data-aos] {
  transition: opacity .65s cubic-bezier(.4,0,.2,1), transform .65s cubic-bezier(.4,0,.2,1);
}
[data-aos="fade-up"]    { opacity: 0; transform: translateY(28px); }
[data-aos="fade-down"]  { opacity: 0; transform: translateY(-28px); }
[data-aos="fade-left"]  { opacity: 0; transform: translateX(28px); }
[data-aos="fade-right"] { opacity: 0; transform: translateX(-28px); }
[data-aos="zoom-in"]    { opacity: 0; transform: scale(.92); }
[data-aos="zoom-up"]    { opacity: 0; transform: scale(.92) translateY(16px); }
[data-aos="flip-up"]    { opacity: 0; transform: perspective(600px) rotateX(12deg) translateY(20px); }
[data-aos].aos-in {
  opacity: 1;
  transform: translateY(0) translateX(0) scale(1) rotateX(0);
}
[data-aos][data-delay="100"].aos-in { transition-delay: .1s; }
[data-aos][data-delay="150"].aos-in { transition-delay: .15s; }
[data-aos][data-delay="200"].aos-in { transition-delay: .2s; }
[data-aos][data-delay="300"].aos-in { transition-delay: .3s; }
[data-aos][data-delay="400"].aos-in { transition-delay: .4s; }
[data-aos][data-delay="500"].aos-in { transition-delay: .5s; }
[data-aos][data-delay="600"].aos-in { transition-delay: .6s; }

/* ─── Cards ───────────────────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
  transition: var(--trans-slow);
}
.card:hover {
  border-color: var(--border-2);
  box-shadow: var(--card-shadow-hover);
  transform: translateY(-2px);
}
.pixel-border { border: 2px solid var(--border-2); box-shadow: 3px 3px 0 var(--border); }
.pixel-border:hover { box-shadow: 4px 4px 0 var(--accent-glow); transform: translate(-1px, -1px); }

/* ─── Terminal Labels ─────────────────────────────────────────────────────── */
.term-label::before {
  content: '// ';
  color: var(--accent);
  opacity: .6;
  font-family: 'JetBrains Mono', monospace;
}

/* ─── Buttons ─────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .6rem 1.2rem; font-size: .875rem; font-weight: 600;
  border-radius: var(--radius); cursor: pointer; transition: var(--trans);
  border: none; text-decoration: none; font-family: inherit;
}
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 4px 14px var(--accent-glow); }
.btn-primary:hover { filter: brightness(1.12); box-shadow: 0 6px 20px var(--accent-glow); transform: translateY(-1px); }
.btn-secondary { background: var(--surface-2); color: var(--text); border: 1px solid var(--border-2); }
.btn-secondary:hover { background: var(--surface-3); }
.btn-ghost { background: transparent; color: var(--text-muted); }
.btn-ghost:hover { background: var(--surface-2); color: var(--text); }
.btn-danger { background: rgba(220,38,38,.9); color: #fff; }
.btn-danger:hover { background: var(--red); }
.btn-sm { padding: .4rem .875rem; font-size: .8rem; }
.btn-lg { padding: .8rem 1.75rem; font-size: 1rem; }

/* ─── Inputs ──────────────────────────────────────────────────────────────── */
input, textarea, select {
  width: 100%; background: var(--surface); border: 1.5px solid var(--border);
  border-radius: var(--radius); padding: .65rem 1rem; font-size: .9rem;
  color: var(--text); font-family: inherit; outline: none; transition: var(--trans);
}
input:focus, textarea:focus, select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
::placeholder { color: var(--text-dim); }
label { font-size: .85rem; font-weight: 500; color: var(--text-muted); display: block; margin-bottom: .35rem; }

/* ─── Badges ──────────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: .3rem;
  padding: .2rem .65rem; border-radius: 999px;
  font-size: .72rem; font-weight: 600; letter-spacing: .02em;
}
.badge-purple  { background: rgba(124,58,237,.14); color: var(--purple-lt); border: 1px solid rgba(124,58,237,.2); }
.badge-pink    { background: rgba(219,39,119,.14); color: var(--pink-lt);   border: 1px solid rgba(219,39,119,.2); }
.badge-gold    { background: rgba(217,119,6,.14);  color: var(--gold-lt);   border: 1px solid rgba(217,119,6,.2); }
.badge-teal    { background: rgba(13,148,136,.14); color: var(--teal-lt);   border: 1px solid rgba(13,148,136,.2); }
.badge-green   { background: rgba(5,150,105,.14);  color: var(--green-lt);  border: 1px solid rgba(5,150,105,.2); }
.badge-red     { background: rgba(220,38,38,.14);  color: var(--red-lt);    border: 1px solid rgba(220,38,38,.2); }
.badge-gray    { background: var(--surface-2);     color: var(--text-muted); border: 1px solid var(--border); }
.badge .dot    { width: 5px; height: 5px; border-radius: 50%; background: currentColor; }

/* ─── Tables ──────────────────────────────────────────────────────────────── */
.data-table { width: 100%; border-collapse: collapse; }
.data-table th {
  text-align: left; padding: .75rem 1rem; font-size: .72rem; font-weight: 600;
  letter-spacing: .06em; text-transform: uppercase; color: var(--text-dim);
  border-bottom: 1px solid var(--border); font-family: 'JetBrains Mono', monospace;
}
.data-table td {
  padding: .9rem 1rem; border-bottom: 1px solid var(--border);
  font-size: .88rem; color: var(--text-muted); vertical-align: middle;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tbody tr { transition: var(--trans); }
.data-table tbody tr:hover { background: var(--surface-2); }

/* ─── Skeleton ────────────────────────────────────────────────────────────── */
@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
.skeleton {
  background: linear-gradient(90deg, var(--surface-2) 25%, var(--skeleton-glow) 50%, var(--surface-2) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius);
}

/* ─── Scrollbar ───────────────────────────────────────────────────────────── */
::-webkit-scrollbar       { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ─── Misc ────────────────────────────────────────────────────────────────── */
::selection { background: var(--accent-glow); color: var(--text); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.gradient-text {
  background: linear-gradient(135deg, var(--purple-lt), var(--pink-lt), var(--gold-lt));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ─── Sidebar App Shell ───────────────────────────────────────────────────── */
.app-shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 256px; flex-shrink: 0;
  background: var(--surface); border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
  transition: width .3s ease;
}
.main-wrap { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  height: 60px; display: flex; align-items: center; gap: 1rem;
  padding: 0 1.5rem; background: var(--surface);
  border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100;
}
.page-content { flex: 1; padding: 2rem 1.5rem; overflow-y: auto; }

.sidebar-logo {
  display: flex; align-items: center; gap: .75rem;
  padding: 1.25rem 1rem; border-bottom: 1px solid var(--border);
}
.sidebar-nav { padding: .75rem .5rem; flex: 1; }
.nav-item {
  display: flex; align-items: center; gap: .75rem;
  padding: .6rem .75rem; border-radius: var(--radius);
  color: var(--text-muted); font-size: .875rem; font-weight: 500;
  text-decoration: none; transition: var(--trans); margin-bottom: 2px;
}
.nav-item:hover { background: var(--surface-2); color: var(--text); }
.nav-item.active {
  background: var(--accent-glow);
  color: var(--accent);
}
.nav-section-title {
  font-size: .65rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase;
  color: var(--text-dim); padding: .5rem .75rem .25rem; margin-top: .5rem;
  font-family: 'JetBrains Mono', monospace;
}
.sidebar-user {
  padding: .75rem 1rem; border-top: 1px solid var(--border);
  display: flex; align-items: center; gap: .75rem;
}
.avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: linear-gradient(135deg, var(--purple), var(--pink));
  display: flex; align-items: center; justify-content: center;
  font-size: .7rem; font-weight: 700; color: #fff; flex-shrink: 0;
  font-family: 'JetBrains Mono', monospace;
}