/* =============================================================
   Halaman Login — stylesheet khusus halaman ini.
   File ini BERDIRI SENDIRI (tidak digabung dengan halaman lain)
   supaya perubahan pada satu halaman tidak memengaruhi halaman lain.
   ============================================================= */

/* =========================================================
   DESIGN TOKENS — konsisten dengan tema gelap aplikasi,
   khusus di halaman auth (login/register/forget-password)
   supaya satu tema dark yang konsisten di seluruh aplikasi.
   ========================================================= */
:root {
  --app-bg: #0b1120;
  --app-bg-elevated: #0e1526;
  --app-surface: #141c30;
  --app-surface-2: #1b2440;
  --app-surface-3: #23304f;
  --app-border: #2b3757;
  --app-border-strong: #3a4a72;
  --app-text: #dbe3f5;
  --app-text-secondary: #9fb0cf;
  --app-text-muted: #6b7a9c;
  --app-accent: #38bdf8;
  --app-accent-hover: #0ea5e9;
  --app-accent-active: #0284c7;
  --app-accent-soft: rgba(56, 189, 248, 0.14);
  --app-accent-contrast: #062233;
}

/* Selaraskan variabel Bootstrap juga di halaman auth, supaya
   elemen bawaan Bootstrap (alert validasi, dsb) tetap senada */
:root {
  --bs-body-bg: var(--app-bg);
  --bs-body-color: var(--app-text);
  --bs-border-color: var(--app-border);
  --bs-primary: var(--app-accent);
  --bs-primary-rgb: 56, 189, 248;
  --bs-success: #34d399;
  --bs-success-rgb: 52, 211, 153;
  --bs-danger: #f87171;
  --bs-danger-rgb: 248, 113, 113;
  --bs-warning: #fbbf24;
  --bs-warning-rgb: 251, 191, 36;
}

html,
body {
  margin: 0;
  padding: 0;
  width: 100%;
  overscroll-behavior: none;
}

body {
  margin: 0;
  font-family: "Inter", sans-serif;
  padding: 0;
  background-color: var(--app-bg);
  color: var(--app-text);
  height: 100vh;
  overflow-x: hidden;
  opacity: 0;
  transition: opacity 0.45s ease-in-out;
}
body.page-loaded { opacity: 1; }
body.page-fade-out { opacity: 0; }

/* Sisi Ilustrasi / Branding (kiri untuk login, kanan untuk register) */
.split-left,
.split-right-image {
  position: relative;
  background-size: cover;
  background-position: center;
  border: 10px solid var(--app-bg-elevated);
  box-sizing: border-box;
}
.split-left {
  background-image: url("../assets/akatsukigundam.png");
  background-size: cover;
  min-height: 100vh;
  padding: 3rem;
  overflow: hidden;
}
.split-left::before,
.split-right-image::before {
  content: "";
  position: absolute;
  inset: -20px;
  background-image: inherit;
  background-size: cover;
  background-position: center;
  filter: blur(2px);
  z-index: 0;
}
.split-right-image {
  background-image: url("../assets/gundam.png");
}

/* Overlay gelap supaya teks branding tetap terbaca di atas gambar */
.auth-visual-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(11, 17, 32, 0.88) 10%,
    rgba(11, 17, 32, 0.7) 45%,
    rgba(11, 17, 32, 0.9) 100%
  );
  z-index: 0;
}
.split-left > *,
.split-right-image > * {
  position: relative;
  z-index: 1;
}
.split-left .text-dark,
.split-right-image .text-dark {
  color: var(--app-text) !important;
}
.split-left .text-muted,
.split-right-image .text-muted {
  color: var(--app-text-secondary) !important;
}

/* Sisi Form */
.split-right {
  min-height: 100vh;
  background-color: var(--app-bg);
}
.form-wrapper {
  width: 100%;
  max-width: 480px;
  padding: 2rem;
  animation: authFormIn 0.5s ease both;
}
@keyframes authFormIn {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

.form-label {
  font-weight: 500;
  color: var(--app-text-secondary);
}
.form-control {
  padding: 0.75rem 1rem;
  border-right: none;
  background-color: var(--app-surface-2);
  border-color: var(--app-border);
  color: var(--app-text);
}
.form-control::placeholder {
  color: var(--app-text-muted);
}
.form-control:focus {
  box-shadow: 0 0 0 0.25rem var(--app-accent-soft);
  border-color: var(--app-accent);
  background-color: var(--app-surface-2);
  color: var(--app-text);
}
.input-group-text {
  background-color: var(--app-surface-2);
  color: var(--app-text-muted);
  border-left: none;
  border-color: var(--app-border);
}
.form-control:focus + .input-group-text {
  border-color: var(--app-accent);
  color: var(--app-accent);
}

/* Tombol utama — disamakan dengan .btn-primary di seluruh aplikasi */
.btn-primary,
.btn-primary-custom {
  background-color: var(--app-accent) !important;
  border-color: var(--app-accent) !important;
  color: var(--app-accent-contrast) !important;
  padding: 0.75rem;
  font-weight: 600;
}
.btn-primary:hover,
.btn-primary-custom:hover {
  background-color: var(--app-accent-hover) !important;
  border-color: var(--app-accent-hover) !important;
  color: var(--app-accent-contrast) !important;
}
.text-primary {
  color: var(--app-accent) !important;
}
a.text-primary:hover {
  color: var(--app-accent-hover) !important;
}

/* Garis Pemisah (Or sign in with) */
.divider {
  display: flex;
  align-items: center;
  text-align: center;
  color: var(--app-text-muted);
  margin: 1.5rem 0;
}
.divider::before,
.divider::after {
  content: "";
  flex: 1;
  border-bottom: 1px solid var(--app-border);
}
.divider::before { margin-right: 1em; }
.divider::after { margin-left: 1em; }

.auth-brand-panel {
  position: relative;
  z-index: 1;
  background: rgba(20, 28, 48, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid var(--app-border-strong);
  border-radius: 1rem;
  padding: 2rem 3rem;
}
.auth-brand-logo {
  width: 100px;
  height: 100px;
  max-height: none;
  object-fit: cover;
}

/* =========================================================
   RESPONSIVE — tampilan mobile untuk halaman auth
   ========================================================= */
@media (max-width: 991.98px) {
  .split-right {
    min-height: 100vh;
    padding: 1.5rem 0;
  }
}

@media (max-width: 576px) {
  .form-wrapper {
    padding: 1.25rem 1rem;
    max-width: 100%;
  }
  .auth-brand-panel {
    padding: 1.25rem 1.5rem;
  }
}