/* ═══════════════════════════════════════════════════════════
   TrendRush24 Admin — Login Page Styles
   Dark · Glassmorphism · Premium
═══════════════════════════════════════════════════════════ */

:root {
  --acc1: #ff1744;
  --acc2: #ff6b35;
  --acc-grad: linear-gradient(135deg, var(--acc1), var(--acc2));
  --acc-glow: rgba(255, 23, 68, 0.3);

  --bg: #070710;
  --bg2: #0e0e1a;
  --bg3: #161624;
  --card: rgba(255, 255, 255, 0.04);
  --card-h: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.08);
  --border-h: rgba(255, 255, 255, 0.18);
  --text: #f0f0fa;
  --text2: #8888aa;
  --text3: #44446a;

  --font-disp: 'Bebas Neue', sans-serif;
  --font-head: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --radius: 16px;
  --radius-sm: 10px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  overflow: hidden;
  position: relative;
}

/* ── Animated Background ── */
.bg-grid {
  position: fixed; inset: 0; z-index: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: gridPan 20s linear infinite;
}
@keyframes gridPan {
  0% { background-position: 0 0; }
  100% { background-position: 50px 50px; }
}

.bg-orb {
  position: fixed; z-index: 0;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.6;
  animation: orbFloat 12s ease-in-out infinite;
}
.orb1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(255,23,68,.18), transparent 70%);
  top: -200px; right: -100px;
  animation-duration: 14s;
}
.orb2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(255,107,53,.12), transparent 70%);
  bottom: -150px; left: -100px;
  animation-duration: 10s; animation-delay: -3s;
}
.orb3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(100,40,255,.1), transparent 70%);
  top: 40%; left: 10%;
  animation-duration: 16s; animation-delay: -6s;
}
@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

/* ── Login Wrapper ── */
.login-wrap {
  position: relative; z-index: 1;
  display: flex; flex-direction: column;
  align-items: center; gap: 16px;
  width: 100%; padding: 24px 16px;
}

/* ── Login Card ── */
.login-card {
  width: 100%; max-width: 440px;
  background: rgba(14, 14, 26, 0.75);
  backdrop-filter: blur(32px);
  -webkit-backdrop-filter: blur(32px);
  border: 1px solid var(--border-h);
  border-radius: 24px;
  padding: 40px 36px;
  box-shadow:
    0 0 0 1px rgba(255,255,255,.03) inset,
    0 32px 80px rgba(0,0,0,.6),
    0 0 60px rgba(255,23,68,.06);
  animation: cardIn .6s cubic-bezier(.4,0,.2,1) both;
}
@keyframes cardIn {
  from { opacity: 0; transform: translateY(24px) scale(.97); }
  to   { opacity: 1; transform: none; }
}

/* ── Logo ── */
.login-logo {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 28px;
}
.logo-icon {
  width: 48px; height: 48px;
  background: rgba(255,23,68,.12);
  border: 1px solid rgba(255,23,68,.3);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 20px rgba(255,23,68,.2);
}
.logo-name {
  font-family: var(--font-disp);
  font-size: 1.4rem; letter-spacing: .06em;
  color: var(--text);
}
.logo-name em {
  font-style: normal;
  background: var(--acc-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.logo-sub {
  display: block;
  font-size: .72rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--text2);
  font-weight: 600;
}

/* ── Header ── */
.login-header { margin-bottom: 28px; }
.login-header h1 {
  font-family: var(--font-head);
  font-size: 1.75rem; font-weight: 800;
  letter-spacing: -.02em;
  margin-bottom: 6px;
}
.login-header p { font-size: .9rem; color: var(--text2); }

/* ── Alert ── */
.alert {
  display: none;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-size: .855rem;
  font-weight: 500;
  margin-bottom: 16px;
  animation: alertIn .25s ease;
}
.alert.show { display: block; }
.alert.error { background: rgba(255,23,68,.12); border: 1px solid rgba(255,23,68,.3); color: #ff6b6b; }
.alert.success { background: rgba(0,200,83,.12); border: 1px solid rgba(0,200,83,.3); color: #69f0ae; }
@keyframes alertIn { from { opacity:0; transform: translateY(-6px); } to { opacity:1; transform:none; } }

/* ── Form ── */
.login-form { display: flex; flex-direction: column; gap: 18px; }

.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label {
  font-size: .82rem; font-weight: 600;
  color: var(--text2); letter-spacing: .04em;
  display: flex; justify-content: space-between; align-items: center;
}
.forgot-link {
  font-size: .78rem; font-weight: 600;
  color: var(--acc1); cursor: pointer;
  background: none; border: none; font-family: inherit;
  transition: opacity var(--transition);
}
.forgot-link:hover { opacity: .75; }

.input-wrap {
  position: relative;
  display: flex; align-items: center;
}
.input-icon {
  position: absolute; left: 14px;
  color: var(--text3); pointer-events: none;
  transition: color var(--transition);
}
.input-wrap:focus-within .input-icon { color: var(--acc1); }

.input-wrap input {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-body);
  font-size: .925rem;
  padding: 13px 44px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
.input-wrap input::placeholder { color: var(--text3); }
.input-wrap input:focus {
  border-color: var(--acc1);
  background: rgba(255,23,68,.04);
  box-shadow: 0 0 0 3px rgba(255,23,68,.12);
}
.input-wrap input.error { border-color: rgba(255,100,100,.5); }

.toggle-pw {
  position: absolute; right: 12px;
  background: none; border: none; cursor: pointer;
  color: var(--text3); padding: 4px;
  transition: color var(--transition);
  display: flex; align-items: center;
}
.toggle-pw:hover { color: var(--text2); }

.field-error {
  font-size: .78rem; color: #ff6b6b;
  min-height: 1em; display: block;
  animation: alertIn .2s ease;
}

/* ── Remember me ── */
.form-options { display: flex; align-items: center; }
.remember-me {
  display: flex; align-items: center; gap: 10px;
  font-size: .84rem; color: var(--text2);
  cursor: pointer; user-select: none;
}
.remember-me input { display: none; }
.checkbox-custom {
  width: 18px; height: 18px;
  border: 2px solid var(--border-h);
  border-radius: 5px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition);
  position: relative;
}
.remember-me input:checked + .checkbox-custom {
  background: var(--acc-grad);
  border-color: transparent;
}
.remember-me input:checked + .checkbox-custom::after {
  content: '';
  display: block;
  width: 5px; height: 9px;
  border: 2px solid #fff;
  border-top: none; border-left: none;
  transform: rotate(45deg) translate(-1px, -1px);
}

/* ── Login Button ── */
.btn-login {
  position: relative;
  width: 100%;
  background: var(--acc-grad);
  color: #fff;
  font-family: var(--font-head);
  font-size: 1rem; font-weight: 700;
  letter-spacing: .04em;
  padding: 14px 24px;
  border: none; border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: 10px;
  box-shadow: 0 4px 24px var(--acc-glow);
  transition: all var(--transition);
  overflow: hidden;
}
.btn-login::before {
  content: '';
  position: absolute; inset: 0;
  background: rgba(255,255,255,.1);
  transform: translateX(-100%);
  transition: transform .4s ease;
}
.btn-login:hover::before { transform: translateX(100%); }
.btn-login:hover { transform: translateY(-2px); box-shadow: 0 8px 32px var(--acc-glow); }
.btn-login:disabled { opacity: .7; cursor: not-allowed; transform: none; }
.btn-login.loading .btn-text, .btn-login.loading .btn-arrow { opacity: 0; }

.btn-loader {
  display: none;
  position: absolute; inset: 0;
  align-items: center; justify-content: center;
}
.spinner-ring {
  width: 22px; height: 22px;
  border: 3px solid rgba(255,255,255,.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.btn-arrow { transition: transform var(--transition); }
.btn-login:hover .btn-arrow { transform: translateX(3px); }

/* ── Footer ── */
.login-footer {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 24px; padding-top: 20px;
  border-top: 1px solid var(--border);
}
.back-site {
  display: flex; align-items: center; gap: 6px;
  font-size: .8rem; color: var(--text2);
  text-decoration: none;
  transition: color var(--transition);
}
.back-site:hover { color: var(--acc1); }
.version-badge {
  font-size: .72rem; color: var(--text3);
  background: var(--bg3); border: 1px solid var(--border);
  padding: 3px 10px; border-radius: 100px;
  letter-spacing: .06em;
}

/* ── Security note ── */
.security-note {
  display: flex; align-items: center; gap: 6px;
  font-size: .75rem; color: var(--text3);
  text-align: center;
}

/* ── Forgot Modal ── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 999;
  background: rgba(0,0,0,.7);
  backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  opacity: 0; pointer-events: none;
  transition: opacity .25s;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal-card {
  position: relative;
  background: var(--bg2);
  border: 1px solid var(--border-h);
  border-radius: 20px;
  padding: 32px;
  width: 100%; max-width: 380px;
  box-shadow: 0 32px 80px rgba(0,0,0,.6);
  transform: scale(.95);
  transition: transform .25s;
}
.modal-overlay.open .modal-card { transform: scale(1); }
.modal-card h2 { font-family: var(--font-head); font-size: 1.25rem; font-weight: 800; margin-bottom: 8px; }
.modal-card p { font-size: .875rem; color: var(--text2); }
.modal-close {
  position: absolute; top: 16px; right: 16px;
  width: 30px; height: 30px;
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 50%; color: var(--text2);
  cursor: pointer; font-size: .8rem;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.modal-close:hover { background: var(--acc1); color: #fff; border-color: var(--acc1); }

/* ── Responsive ── */
@media (max-width: 480px) {
  .login-card { padding: 28px 20px; border-radius: 20px; }
  .login-header h1 { font-size: 1.5rem; }
}