/** Giriş sayfası — portal ile aynı tema anahtarı (localStorage: orka_portal_theme) */
html[data-portal-theme="orka"] {
  --page-bg: #dce8f2;
  --page-bg-top: #f2f6fb;
  --page-bg-mid: #e5edf6;
  --accent: #0f4c81;
  --accent-hover: #0c3d68;
  --accent-soft: rgba(15, 76, 129, 0.1);
}

html[data-portal-theme="gece"] {
  --page-bg: #0f172a;
  --page-bg-top: #1e293b;
  --page-bg-mid: #172033;
  --surface: #1e293b;
  --border: #475569;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --accent-hover: #0ea5e9;
  --accent-soft: rgba(56, 189, 248, 0.15);
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.28);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.38);
  --login-slide-poster-bg: linear-gradient(165deg, #273549 0%, #1e293b 48%, #172033 100%);
  --login-slide-poster-bg-edefter: linear-gradient(165deg, #28354a 0%, #1f2c40 55%, #182236 100%);
  --login-slide-poster-bg-banka: linear-gradient(165deg, #253246 0%, #1c293c 50%, #161f30 100%);
  --login-slide-heading: #e2e8f0;
  --login-slide-em-gradient: linear-gradient(115deg, #7dd3fc 0%, var(--accent) 45%, #0ea5e9 100%);
  --login-input-focus-border: color-mix(in srgb, var(--accent) 82%, #ffffff 18%);
  --login-input-focus-shadow:
    0 0 0 1px color-mix(in srgb, var(--accent) 55%, transparent),
    0 0 0 3px color-mix(in srgb, var(--accent) 36%, transparent),
    0 0 12px color-mix(in srgb, var(--accent) 30%, transparent);
}

html[data-portal-theme="yesil"] {
  --page-bg: #dce8e2;
  --page-bg-top: #f0f7f2;
  --page-bg-mid: #e3efe6;
  --surface: #ffffff;
  --border: #c5d9ce;
  --text: #1a2e24;
  --muted: #5c7268;
  --accent: #166534;
  --accent-hover: #14532d;
  --accent-soft: rgba(22, 101, 52, 0.1);
}

html[data-portal-theme="mor"] {
  --page-bg: #e8e2f4;
  --page-bg-top: #f5f2fa;
  --page-bg-mid: #ede8f6;
  --surface: #ffffff;
  --border: #d8d0e8;
  --text: #2e2640;
  --muted: #6b6280;
  --accent: #6d28d9;
  --accent-hover: #5b21b6;
  --accent-soft: rgba(109, 40, 217, 0.1);
}

html[data-portal-theme="gunBatimi"] {
  --page-bg: #f5e8df;
  --page-bg-top: #faf3ee;
  --page-bg-mid: #f0e4da;
  --surface: #ffffff;
  --border: #e8d5c8;
  --text: #3d2c24;
  --muted: #8a6f62;
  --accent: #c2410c;
  --accent-hover: #9a3412;
  --accent-soft: rgba(194, 65, 12, 0.1);
}

/* Türetilmiş token'lar — tema renkleri güncellenince form alanları da uyum sağlar */
html[data-portal-theme] {
  --form-input-bg: color-mix(in srgb, var(--page-bg) 42%, var(--surface));
  --form-input-bg-focus: var(--surface);
  --form-input-bg-disabled: color-mix(in srgb, var(--page-bg) 62%, var(--surface));
  --form-input-border-hover: color-mix(in srgb, var(--border) 52%, var(--text));
  --form-input-border-disabled: color-mix(in srgb, var(--border) 78%, var(--surface));
  --form-input-placeholder: var(--muted);
  --form-input-icon: var(--muted);
  --form-input-icon-disabled: color-mix(in srgb, var(--muted) 55%, var(--surface));
}