:root {
  /* Dark theme (default) — brightened from pure black */
  --bg: #121212;            /* page background (was #000000) */
  --fg: #f3f3f3;            /* main text */
  --muted: #b0b8c1;         /* readable muted text */
  --border: #2a2f38;        /* softer border than #1f2937 */
  --link: #4ea8ff;
  --btn-hover-bg: #4ea8ff;
  --btn-hover-fg: #000000;

  --card-bg: #1a1a1a;       /* cards: lifted from #111111 */
  --panel-bg: #181818;      /* panels: lifted from #0b0b0b */
  --panel-bg-2: #202020;    /* secondary panels: from #0f0f0f */

  --header-bg: #181818;
  --footer-bg: #181818;
}

:root[data-theme="light"] {
  /* Light theme (unchanged) */
  --bg: #ffffff;
  --fg: #0b0b0b;
  --muted: #6b7280;
  --border: #e5e7eb;
  --link: #0a84ff;
  --btn-hover-bg: #0a84ff;
  --btn-hover-fg: #ffffff;
  --card-bg: #fafafa;
  --panel-bg: #fdfdfd;
  --panel-bg-2: #f7f7f7;

  --header-bg: #f5f5f7;
  --footer-bg: #f5f5f7;
}

/* Base */
* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0; background: var(--bg); color: var(--fg);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { max-width: 1100px; margin: 0 auto; padding: 24px; }

/* ===== Header ===== */
.header {
  display: grid; grid-template-columns: 1fr auto auto; align-items: center;
  gap: 16px; padding: 16px 24px; border-bottom: 1px solid var(--border);
  position: sticky; top: 0; background: var(--header-bg); z-index: 9999;
}
.logo { font-weight: 700; letter-spacing: .5px; color: var(--fg); }
.nav { display: flex; gap: 8px; align-items: center; }
.nav-link {
  display: inline-flex; align-items: center;
  padding: 8px 12px; border-radius: 4px; color: var(--fg);
  border: 1px solid transparent; line-height: 1.2;
}
.nav-link:hover, .nav-link.active {
  background: var(--btn-hover-bg); color: var(--btn-hover-fg);
  border-color: var(--btn-hover-bg);
}
.header-actions { display: flex; gap: 12px; align-items: center; }
.search { display: flex; gap: 8px; }
.search input {
  padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px;
  background: var(--bg); color: var(--fg);
}

/* Language select */
#lang-select {
  padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px;
  background: var(--bg); color: var(--fg);
}

/* Theme toggle */
#theme-toggle {
  width: 44px; height: 32px; display: grid; place-items: center;
  border: 1px solid var(--border); border-radius: 6px; background: var(--bg); color: var(--fg);
}
#theme-toggle:hover { background: var(--btn-hover-bg); color: var(--btn-hover-fg); }

/* Buttons */
.btn {
  display: inline-block; text-align: center;
  border: 1px solid var(--fg); color: var(--fg); background: transparent;
  padding: 10px 16px; border-radius: 4px; cursor: pointer; transition: .2s ease;
}
.btn:hover { background: var(--btn-hover-bg); color: var(--btn-hover-fg); }
.btn-outline { background: transparent; color: var(--fg); border: 1px dashed var(--fg); }
.btn-outline:hover { background: var(--btn-hover-bg); color: var(--btn-hover-fg); }

/* ===== Hero & Team ===== */
.hero { padding: 40px 24px; border-bottom: 1px solid var(--border); background: var(--bg); }
.hero-inner { max-width: 1100px; margin: 0 auto; }
.lead { color: var(--muted); }

.team { display: flex; justify-content: center; margin: 20px 0; }
.card {
  border: 1px solid var(--border); padding: 30px; border-radius: 10px;
  background: var(--card-bg); cursor: pointer; text-align: center;width: 400px;
}
.card img.team-photo {
  width: 220px; height: 220px; border-radius: 50%; object-fit: cover; display: block; margin: 0 auto;
  border: 2px solid var(--border);
}
.team-name { margin: 8px 0 6px; color: var(--fg); }
.team-role { color: var(--muted); }

.cta-row { display: flex; gap: 12px; margin-top: 16px; flex-wrap: wrap; }

/* ===== Starfield sphere ===== */
.sphere-wrap {
  position: relative;
  margin: 24px auto 0;
  max-width: 1000px;
  padding: 8px;
  display: grid;
  place-items: center;
}
#sq-sphere { width: 100%; height: 520px; display: block; }
.sphere-overlay {
  position: absolute; inset: 0; display: grid; place-items: center; pointer-events: none;
}
.overlay-cta {
  pointer-events: auto;
  background: #ffffff; color: #000000;
  border: none; padding: 12px 24px; border-radius: 4px; font-weight: 600;
}

/* ===== Library grid ===== */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.model-card {
  border: 1px solid var(--border); border-radius: 6px; background: var(--card-bg);
  padding: 14px; display: flex; flex-direction: column; gap: 10px; min-height: 380px;
}
.model-card .image-wrap {
  position: relative; width: 100%; aspect-ratio: 16/9;
  overflow: hidden; border-radius: 6px; border: 1px solid var(--border);
  background: var(--panel-bg);
}
.model-card img.model-image { width: 100%; height: 100%; object-fit: cover; display: block; }
.card-actions { margin-top: auto; display: flex; gap: 8px; flex-wrap: wrap; }

/* ===== Model hero ===== */
.model-hero { display: grid; gap: 12px; margin-top: 24px; }
.hero-image-wrap {
  position: relative; width: 100%; aspect-ratio: 16/9;
  border: 1px solid var(--border); border-radius: 6px; overflow: hidden; background: var(--panel-bg);
}
.model-hero img { width: 100%; height: 100%; object-fit: cover; }

/* ===== Forms ===== */
.field-label { display: block; font-weight: 700; margin-top: 8px; margin-bottom: 6px; color: var(--fg); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 16px; }
.form-grid label, .form-grid .fieldset, .form-grid .subsection, .form-grid .actions { grid-column: span 2; }
.form-grid input[type="text"], .form-grid input[type="email"], .form-grid input[type="password"], .form-grid input[type="number"], .form-grid select, .form-grid textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg); color: var(--fg);
}
.fieldset { border: 1px dashed var(--border); padding: 10px 12px; border-radius: 6px; background: var(--panel-bg); }
.fieldset legend { font-weight: 700; color: var(--fg); }
.subsection { border: 1px solid var(--border); padding: 10px; border-radius: 6px; background: var(--panel-bg); }
.inline { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.results { margin-top: 12px; border: 1px dashed var(--border); padding: 10px; border-radius: 6px; background: var(--panel-bg-2); }

input[type="radio"], input[type="checkbox"] { accent-color: var(--link); }

/* ===== Footer ===== */
.footer {
  border-top: 1px solid var(--border); padding: 24px; margin-top: 40px; background: var(--footer-bg);
}
.footer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.muted { color: var(--muted); font-size: .95em; }
.status { margin-top: 8px; color: var(--muted); }

.banner { background: #000; color: #fff; padding: 10px 16px; }
.banner-content { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.banner-actions { display: flex; gap: 8px; }

.hidden { display: none !important; }

/* ===== Modal ===== */
.modal { position: fixed; inset: 0; background: rgba(0,0,0,.5); display: grid; place-items: center; z-index: 100; }
.modal-card {
  position: relative; width: min(680px, 92vw); background: var(--bg); color: var(--fg);
  border-radius: 6px; padding: 16px; border: 1px solid var(--border);
}
.modal-fullscreen { width: min(980px, 92vw); }
.modal-close {
  border: none; background: transparent; font-size: 24px;
  position: absolute; top: 8px; right: 8px; cursor: pointer; color: var(--fg);
}

.member-grid { display: grid; grid-template-columns: 200px 1fr; gap: 16px; }
.member-photo, .profile-photo {
  width: 160px; height: 160px; border-radius: 50%; object-fit: cover; border: 2px solid var(--border); cursor: pointer;
}

/* ===== Tabs ===== */
.tabs { display: flex; gap: 8px; margin-bottom: 12px; }
.tab {
  padding: 8px 12px; border: 1px solid var(--border); border-radius: 6px; background: var(--panel-bg); color: var(--fg);
  cursor: pointer;
}
.tab.active { border-color: var(--btn-hover-bg); color: var(--btn-hover-fg); background: var(--btn-hover-bg); }

/* ===== Focus ===== */
:focus { outline: 2px dashed var(--fg); outline-offset: 2px; }
.btn:focus, .nav-link:focus, input:focus, select:focus, textarea:focus { outline-color: #333; }

/* ===== Toast ===== */
#toast {
  position: fixed; bottom: 16px; right: 16px; z-index: 9999;
  background: #111; color: #fff; padding: 10px 14px; border-radius: 6px;
  box-shadow: 0 4px 20px rgba(0,0,0,.2);
}

/* ===== Stepper ===== */
.step-indicator { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin: 10px 0; }
.step-indicator .step {
  border: 1px dashed var(--border); padding: 8px; border-radius: 6px; text-align: center;
  background: var(--panel-bg); color: var(--fg);
}
.step-indicator .step.active {
  background: var(--link); color: var(--btn-hover-fg); border-color: var(--link); font-weight: 700;
}

/* ===== How it works ===== */
.how { margin-top: 16px; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.step-card {
  border: 1px solid var(--border); background: var(--card-bg); border-radius: 6px; padding: 16px;
}
.step-card .step-num {
  width: 28px; height: 28px; display: inline-grid; place-items: center; border-radius: 999px; margin-bottom: 8px;
  border: 1px solid var(--border); color: var(--fg); background: var(--panel-bg-2);
}

/* ===== Requests list ===== */
.req-list { display: grid; grid-template-columns: 1fr; gap: 12px; margin-top: 12px; }
.req-card { border: 1px solid var(--border); background: var(--card-bg); border-radius: 6px; padding: 12px; }
.req-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.badge { padding: 4px 8px; border-radius: 999px; font-size: 12px; border: 1px solid var(--border); }
.badge.pending { background: #2b2b2b; color: #e5e7eb; }
.badge.accepted { background: #065f46; color: #ecfdf5; }
.badge.rejected { background: #7f1d1d; color: #fee2e2; }
.small { font-size: 0.9em; }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .grid-3, .team, .footer-grid, .steps { grid-template-columns: 1fr 1fr; }
  .member-grid { grid-template-columns: 1fr; }
  #sq-sphere { height: 440px; }
}
@media (max-width: 600px) {
  .grid-3, .team, .footer-grid, .steps { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  #sq-sphere { height: 360px; }
}

/* ===== Admin & Requests helpers (duplicates consolidated) ===== */
.lead { font-size: 1.2em; }

/* ===== Admin Dropdown ===== */
.dropdown { position: relative; display: inline-flex; align-items: center; }
.dropdown-toggle.nav-link {
  display: inline-flex; align-items: center;
  padding: 8px 12px; border-radius: 4px; color: var(--fg);
  border: 1px solid transparent; background: transparent; line-height: 1.2;
}
.dropdown-toggle.nav-link:hover,
.dropdown.open .dropdown-toggle.nav-link {
  background: var(--btn-hover-bg); color: var(--btn-hover-fg);
  border-color: var(--btn-hover-bg); text-decoration: underline;
}
.dropdown-menu {
  position: absolute; top: calc(100% + 6px); left: 0; min-width: 180px;
  border: 1px solid var(--border); background: var(--panel-bg);
  border-radius: 6px; box-shadow: 0 8px 24px rgba(0,0,0,.35);
  padding: 6px; z-index: 10000; display: none;
}
.dropdown.open .dropdown-menu { display: block; }
.dropdown-item {
  display: block; padding: 8px 10px; border-radius: 4px; color: var(--fg); text-decoration: none;
}
.dropdown-item:hover { background: var(--btn-hover-bg); color: var(--btn-hover-fg); }

/* ===== Stat cards ===== */
.model-card.stat {
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  min-height: 160px; text-align: center;
}
.model-card.stat h3 { margin: 6px 0 4px; }
.stat-value {
  font-size: 56px; font-weight: 800; line-height: 1; color: var(--fg);
}
.stat-list { list-style: none; padding: 0; margin: 8px 0 0 0; }
.stat-list li {
  font-size: 26px; font-weight: 700; line-height: 1.2; color: var(--fg); margin: 6px 0;
}

/* ===== Header Responsiveness ===== */
.header { gap: 12px; }
.nav { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
@media (max-width: 900px) {
  .nav-link, .dropdown-toggle.nav-link { padding: 6px 10px; font-size: 0.95em; }
  .header-actions { gap: 8px; }
  #theme-toggle { height: 30px; }
}
@media (max-width: 600px) {
  .header {
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "logo profile"
      "nav nav"
      "actions actions";
    align-items: center;
    gap: 8px;
  }

  .brand {
    grid-area: logo;
  }

  .nav {
    grid-area: nav;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
  }

  .header-actions {
    grid-area: actions;
    display: flex;
    align-items: center;
    gap: 8px;
  }

  #header-search {
    flex: 1;
  }

  #header-search input {
    width: 100%;
  }
  #login-btn {
    position: absolute;
    right: 16px;
    top: 16px;
    width: 42px;
    height: 42px;
    min-width: 42px;
    border-radius: 50%;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}
}