/* ============================================================
   SIKRIPTO • Shared Design System  (css/sikripto.css)
   Dipakai semua halaman lewat includes/header.php
   Semua kelas ber-prefix .sk- agar tidak bentrok CSS lama.
   Mobile-first, responsif desktop/tablet/HP.
   ============================================================ */

:root {
  /* Warna dasar (tema crypto terminal) */
  --sk-bg:        #0a0e17;
  --sk-surface:   #121826;
  --sk-surface-2: #1a2233;
  --sk-border:    rgba(255, 255, 255, 0.08);
  --sk-border-2:  rgba(255, 255, 255, 0.14);
  --sk-text:      #e8edf4;
  --sk-dim:       #8b97a8;

  /* Aksen brand */
  --sk-accent:    #12d6a8;   /* teal-mint (profit/up) */
  --sk-accent-2:  #7b61ff;   /* violet (kontinuitas brand) */
  --sk-up:        #16c784;   /* candle hijau */
  --sk-down:      #ea3943;   /* candle merah */
  --sk-grad:      linear-gradient(135deg, var(--sk-accent) 0%, var(--sk-accent-2) 100%);

  /* Tipografi */
  --sk-font-display: 'Space Grotesk', system-ui, sans-serif;
  --sk-font-body:    'Inter', system-ui, sans-serif;
  --sk-font-mono:    'Fira Code', ui-monospace, monospace;

  /* Layout */
  --sk-container: 1280px;
  --sk-radius:    12px;
  --sk-radius-sm: 8px;
  --sk-header-h:  66px;
  --sk-shadow:    0 10px 40px rgba(0, 0, 0, 0.35);
}

/* --- Reset ringan & aman --- */
*, *::before, *::after { box-sizing: border-box; }

.sk-body {
  margin: 0;
  background: var(--sk-bg);
  color: var(--sk-text);
  font-family: var(--sk-font-body);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.sk-body a { color: inherit; text-decoration: none; }
.sk-body img { max-width: 100%; display: block; }

.sk-container {
  width: 100%;
  max-width: var(--sk-container);
  margin: 0 auto;
  padding: 0 20px;
}

.sk-main { flex: 1 0 auto; width: 100%; }

/* ============================================================
   HEADER / NAVBAR
   ============================================================ */
.sk-header {
  position: sticky; top: 0; z-index: 1000;
  height: var(--sk-header-h);
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--sk-border);
}
.sk-nav {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.sk-logo {
  font-family: var(--sk-font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.5px;
  display: flex; align-items: center; gap: 9px;
  flex-shrink: 0;
}
.sk-logo img { width: 26px; height: 26px; border-radius: 6px; }
.sk-logo span { color: var(--sk-accent); }

/* Menu (desktop) */
.sk-menu {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}
.sk-menu-link {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 14px;
  border-radius: var(--sk-radius-sm);
  font-size: 14px; font-weight: 500;
  color: var(--sk-dim);
  transition: color .15s, background .15s;
  white-space: nowrap;
}
.sk-menu-link i { font-size: 13px; opacity: .85; }
.sk-menu-link:hover { color: var(--sk-text); background: var(--sk-surface); }
.sk-menu-link.is-active { color: var(--sk-text); background: var(--sk-surface-2); }

/* Blok auth di kanan */
.sk-auth { display: flex; align-items: center; gap: 10px; margin-left: 10px; }

/* Tombol */
.sk-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 9px 18px;
  border-radius: var(--sk-radius-sm);
  font-family: var(--sk-font-body);
  font-size: 13px; font-weight: 600;
  border: 1px solid var(--sk-border-2);
  background: transparent; color: var(--sk-text);
  cursor: pointer; transition: transform .12s, box-shadow .15s, background .15s;
  white-space: nowrap;
}
.sk-btn:hover { transform: translateY(-1px); }
.sk-btn-primary {
  background: var(--sk-grad); color: #06121a; border: none; font-weight: 700;
}
.sk-btn-primary:hover { box-shadow: 0 6px 22px rgba(18, 214, 168, 0.35); }
.sk-btn-block { width: 100%; }

/* User chip + dropdown */
.sk-user { position: relative; }
.sk-user-chip {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 6px 12px 6px 6px;
  border-radius: 100px;
  border: 1px solid var(--sk-border);
  background: var(--sk-surface);
  cursor: pointer; color: var(--sk-text);
  font-size: 13px; font-weight: 600;
}
.sk-avatar {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--sk-grad); color: #06121a;
  display: grid; place-items: center;
  font-weight: 700; font-size: 13px;
}
.sk-badge {
  font-size: 10px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .5px; padding: 2px 7px; border-radius: 100px;
  background: rgba(123, 97, 255, .18); color: var(--sk-accent-2);
}
.sk-badge.vip   { background: rgba(18,214,168,.16); color: var(--sk-accent); }
.sk-badge.admin { background: rgba(234,57,67,.16);  color: var(--sk-down); }
.sk-badge.trial { background: rgba(139,151,168,.16); color: var(--sk-dim); }

.sk-dropdown {
  position: absolute; right: 0; top: calc(100% + 10px);
  min-width: 190px;
  background: var(--sk-surface); border: 1px solid var(--sk-border);
  border-radius: var(--sk-radius); box-shadow: var(--sk-shadow);
  padding: 6px; opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity .15s, transform .15s, visibility .15s;
}
.sk-user.is-open .sk-dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.sk-dropdown a {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: var(--sk-radius-sm);
  font-size: 14px; color: var(--sk-dim);
}
.sk-dropdown a:hover { background: var(--sk-surface-2); color: var(--sk-text); }
.sk-dropdown a.danger:hover { color: var(--sk-down); }
.sk-dropdown hr { border: none; border-top: 1px solid var(--sk-border); margin: 6px 4px; }

/* Hamburger (mobile) */
.sk-burger {
  display: none;
  width: 42px; height: 42px;
  border: 1px solid var(--sk-border); border-radius: var(--sk-radius-sm);
  background: var(--sk-surface); color: var(--sk-text);
  font-size: 18px; cursor: pointer;
  align-items: center; justify-content: center;
}

/* ============================================================
   FOOTER
   ============================================================ */
.sk-footer {
  flex-shrink: 0;
  margin-top: 80px;
  border-top: 1px solid var(--sk-border);
  background: var(--sk-surface);
}
.sk-footer-inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 40px;
  padding: 56px 20px 32px;
  max-width: var(--sk-container); margin: 0 auto;
}
.sk-footer-brand .sk-logo { margin-bottom: 14px; }
.sk-footer-brand p { color: var(--sk-dim); font-size: 14px; max-width: 320px; }
.sk-footer-col h4 {
  font-family: var(--sk-font-display); font-size: 13px; text-transform: uppercase;
  letter-spacing: 1px; color: var(--sk-dim); margin: 0 0 16px;
}
.sk-footer-col a {
  display: block; color: var(--sk-text); font-size: 14px;
  padding: 6px 0; opacity: .8; transition: opacity .15s, color .15s;
}
.sk-footer-col a:hover { opacity: 1; color: var(--sk-accent); }

.sk-social { display: flex; gap: 12px; margin-top: 6px; flex-wrap: wrap; }
.sk-social a {
  width: 40px; height: 40px; border-radius: var(--sk-radius-sm);
  display: grid; place-items: center;
  background: var(--sk-surface-2); border: 1px solid var(--sk-border);
  color: var(--sk-dim); font-size: 16px; transition: .15s;
}
.sk-social a:hover { color: var(--sk-accent); border-color: var(--sk-accent); transform: translateY(-2px); }

.sk-footer-bottom {
  border-top: 1px solid var(--sk-border);
  padding: 20px; text-align: center;
  color: var(--sk-dim); font-size: 12px;
  font-family: var(--sk-font-mono); letter-spacing: .5px;
}

/* ============================================================
   UTILITAS UMUM (dipakai halaman yang sudah migrasi)
   ============================================================ */
.sk-card {
  background: var(--sk-surface); border: 1px solid var(--sk-border);
  border-radius: var(--sk-radius); padding: 24px; color: var(--sk-text);
}
.sk-h1 { font-family: var(--sk-font-display); font-weight: 700; letter-spacing: -1px; margin: 0 0 8px; }
.sk-lead { color: var(--sk-dim); }
.sk-lock-note {
  display: flex; align-items: center; gap: 12px;
  background: rgba(123,97,255,.1); border: 1px solid rgba(123,97,255,.3);
  color: var(--sk-text); padding: 16px 18px; border-radius: var(--sk-radius);
}

/* ============================================================
   RESPONSIF
   ============================================================ */
@media (max-width: 900px) {
  .sk-burger { display: inline-flex; }
  .sk-menu {
    position: fixed; top: var(--sk-header-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 2px;
    background: var(--sk-surface);
    border-bottom: 1px solid var(--sk-border);
    padding: 12px; margin: 0;
    max-height: calc(100vh - var(--sk-header-h));
    overflow-y: auto;
    transform: translateY(-12px); opacity: 0; visibility: hidden;
    transition: opacity .18s, transform .18s, visibility .18s;
  }
  .sk-menu.is-open { transform: translateY(0); opacity: 1; visibility: visible; }
  .sk-menu-link { padding: 13px 14px; font-size: 15px; }
  .sk-auth { flex-direction: column; align-items: stretch; margin: 8px 0 0; gap: 8px; }
  .sk-auth .sk-btn { width: 100%; }
  .sk-user { width: 100%; }
  .sk-user-chip { width: 100%; justify-content: flex-start; }
  .sk-dropdown { position: static; opacity: 1; visibility: visible; transform: none;
                 box-shadow: none; border: none; background: transparent; padding: 4px 0 0; }

  .sk-footer-inner { grid-template-columns: 1fr; gap: 32px; padding: 40px 20px 24px; }
}

@media (max-width: 480px) {
  .sk-container { padding: 0 16px; }
  .sk-logo { font-size: 18px; }
}

/* Aksesibilitas */
.sk-body :focus-visible { outline: 2px solid var(--sk-accent); outline-offset: 2px; border-radius: 4px; }
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

/* ============================================================
   SAFETY NET — cegah teks gelap di background gelap
   Fallback warna terang bila variabel gagal termuat, dan
   memaksa elemen yang defaultnya hitam (form) jadi terbaca.
   ============================================================ */
.sk-body { color: var(--sk-text, #e8edf4); }
.sk-body h1, .sk-body h2, .sk-body h3,
.sk-body h4, .sk-body h5, .sk-body h6 { color: var(--sk-text, #e8edf4); }

/* Elemen form tidak mewarisi warna -> paksa terang di atas surface gelap */
.sk-body input, .sk-body textarea, .sk-body select {
  color: var(--sk-text, #e8edf4);
  background: var(--sk-surface-2, #1a2233);
  border: 1px solid var(--sk-border-2, rgba(255,255,255,.14));
  border-radius: var(--sk-radius-sm, 8px);
}
.sk-body input::placeholder, .sk-body textarea::placeholder { color: var(--sk-dim, #8b97a8); }

/* Fallback keras: bila --sk-text kosong, sk-dim tetap terbaca */
.sk-body .sk-lead, .sk-body p { color: var(--sk-dim, #8b97a8); }