/* ========================================================
   Atlas AI — shared brand styles
   Dark, purple-accent, athletic. Matches the Atlas AI mark.
   ======================================================== */

:root {
  --bg-0: #050507;
  --bg-1: #0c0b14;
  --card: #100e18;
  --card-border: rgba(139, 92, 246, 0.28);
  --purple: #8B5CF6;
  --purple-light: #A78BFA;
  --purple-hi: #B794F6;
  --purple-deep: #6D28D9;
  --white: #FFFFFF;
  --body: #C4C2CF;
  --mute: #8A879A;
  --danger: #F87171;
  --success: #34D399;
  --radius: 16px;
  --font-display: 'Archivo Black', 'Barlow', sans-serif;
  --font-body: 'Barlow', sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: radial-gradient(ellipse at 70% 0%, var(--bg-1) 0%, var(--bg-0) 55%);
  background-attachment: fixed;
  color: var(--white);
  font-family: var(--font-body);
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------- Nav ---------- */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 28px;
  border-bottom: 1px solid rgba(139, 92, 246, 0.14);
}
.nav .brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 3px;
}
.nav .brand img { height: 30px; width: auto; display: block; }
.nav-links { display: flex; align-items: center; gap: 28px; font-size: 15px; color: var(--body); }
.nav-links a:hover { color: var(--white); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 10px;
  padding: 14px 26px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 16px;
  cursor: pointer;
  border: none;
  transition: transform .15s ease, opacity .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary {
  background: linear-gradient(135deg, var(--purple-light), var(--purple-deep));
  color: var(--white);
}
.btn-primary:hover { opacity: .92; }
.btn-ghost {
  background: transparent;
  color: var(--white);
  border: 1.5px solid var(--card-border);
}
.btn-ghost:hover { border-color: var(--purple); }
.btn-block { width: 100%; }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }

/* ---------- Cards / forms ---------- */
.card {
  background: linear-gradient(180deg, #17131f, #0b0912);
  border: 1.5px solid var(--card-border);
  border-radius: var(--radius);
  padding: 40px;
}

.auth-shell {
  min-height: calc(100vh - 76px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}
.auth-card { width: 100%; max-width: 440px; }
.auth-card h1 {
  font-family: var(--font-display);
  font-size: 30px;
  margin: 0 0 8px;
}
.auth-card .sub {
  color: var(--mute);
  font-size: 15px;
  margin: 0 0 32px;
}

.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-size: 13px;
  color: var(--body);
  margin-bottom: 8px;
  letter-spacing: .3px;
}
.field input {
  width: 100%;
  background: #0a0912;
  border: 1.5px solid rgba(139, 92, 246, 0.22);
  border-radius: 10px;
  padding: 13px 14px;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 15px;
  outline: none;
  transition: border-color .15s ease;
}
.field input:focus { border-color: var(--purple); }

.form-msg {
  font-size: 14px;
  padding: 12px 14px;
  border-radius: 10px;
  margin-bottom: 18px;
  display: none;
}
.form-msg.show { display: block; }
.form-msg.error { background: rgba(248, 113, 113, .1); color: var(--danger); border: 1px solid rgba(248,113,113,.3); }
.form-msg.ok { background: rgba(52, 211, 153, .1); color: var(--success); border: 1px solid rgba(52,211,153,.3); }

.switch-line { text-align: center; margin-top: 24px; color: var(--mute); font-size: 14px; }
.switch-line a { color: var(--purple-hi); font-weight: 600; }

/* ---------- Dashboard ---------- */
.dash-header { padding: 40px 0 8px; }
.dash-header h1 { font-family: var(--font-display); font-size: 34px; margin: 0 0 6px; }
.dash-header p { color: var(--mute); margin: 0; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 28px; }
@media (max-width: 860px) { .grid { grid-template-columns: 1fr; } }

.stat-card {
  background: var(--card);
  border: 1.5px solid var(--card-border);
  border-radius: var(--radius);
  padding: 26px;
}
.stat-card .label { font-size: 13px; color: var(--mute); letter-spacing: .5px; text-transform: uppercase; }
.stat-card .value { font-family: var(--font-display); font-size: 32px; margin-top: 8px; color: var(--white); }
.stat-card .value.accent { color: var(--purple-hi); }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 999px;
}
.pill.active { background: rgba(52,211,153,.12); color: var(--success); }
.pill.inactive { background: rgba(248,113,113,.12); color: var(--danger); }

.upgrade-banner {
  background: linear-gradient(135deg, rgba(139,92,246,.16), rgba(109,40,217,.08));
  border: 1.5px solid var(--card-border);
  border-radius: var(--radius);
  padding: 28px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 28px;
  flex-wrap: wrap;
}
.upgrade-banner h3 { font-family: var(--font-display); font-size: 20px; margin: 0 0 6px; }
.upgrade-banner p { color: var(--body); margin: 0; font-size: 14px; }

.upload-zone {
  margin-top: 28px;
  border: 2px dashed rgba(139,92,246,.35);
  border-radius: var(--radius);
  padding: 48px 24px;
  text-align: center;
  color: var(--mute);
}
.upload-zone.disabled { opacity: .5; }

.list { margin-top: 28px; }
.list-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  margin-bottom: 10px;
}
.list-row .name { font-weight: 600; }
.list-row .meta { color: var(--mute); font-size: 13px; }

.spinner {
  width: 18px; height: 18px;
  border: 2.5px solid rgba(255,255,255,.25);
  border-top-color: var(--white);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

.center-note { text-align: center; color: var(--mute); padding: 60px 20px; }