/* ═══════════════════════════════════════════════════════════
   NOVA GYM — Login Page Styles
   ═══════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@300;400;500;600;700;800;900&family=Rajdhani:wght@400;500;600;700&display=swap');

/* ── CSS Variables ─────────────────────────────────────── */
:root {
  --bg-dark:        #070710;
  --bg-card:        rgba(255,255,255,0.04);
  --border:         rgba(255,107,53,0.25);
  --border-light:   rgba(255,255,255,0.08);
  --accent:         #ff6b35;
  --accent2:        #ff8c55;
  --accent-gold:    #ffd700;
  --text-primary:   #ffffff;
  --text-sec:       #b0b0c8;
  --text-muted:     #606078;
  --success:        #00d4aa;
  --warning:        #ffa726;
  --danger:         #ff4757;
  --glass:          rgba(255,255,255,0.05);
  --shadow:         0 25px 60px rgba(0,0,0,0.6);
  --radius:         16px;
  --radius-sm:      10px;
  --transition:     all 0.3s cubic-bezier(0.4,0,0.2,1);
}

/* ── Base Reset ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'IBM Plex Sans Arabic', 'Noto Kufi Arabic', 'Cairo', sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  direction: rtl;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── Animated Background ─────────────────────────────────── */
.bg-animation {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  background: radial-gradient(ellipse at 20% 50%, rgba(255,107,53,0.08) 0%, transparent 50%),
              radial-gradient(ellipse at 80% 20%, rgba(100,50,200,0.06) 0%, transparent 50%),
              radial-gradient(ellipse at 50% 80%, rgba(0,212,170,0.05) 0%, transparent 50%),
              linear-gradient(135deg, #070710 0%, #0d0d1a 100%);
}

.bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: orbFloat 8s ease-in-out infinite alternate;
}
.orb-1 { width: 600px; height: 600px; background: rgba(255,107,53,0.1); top: -200px; right: -200px; animation-delay: 0s; }
.orb-2 { width: 500px; height: 500px; background: rgba(100,50,200,0.08); bottom: -200px; left: -200px; animation-delay: 3s; }
.orb-3 { width: 400px; height: 400px; background: rgba(0,212,170,0.06); top: 50%; left: 50%; transform: translate(-50%,-50%); animation-delay: 1.5s; }

@keyframes orbFloat {
  0%   { transform: translate(0,0) scale(1); }
  100% { transform: translate(30px,-30px) scale(1.1); }
}

/* Particles */
.particles { position: absolute; inset: 0; pointer-events: none; }
.particle {
  position: absolute;
  background: var(--accent);
  border-radius: 50%;
  animation: particleFloat linear infinite;
}
@keyframes particleFloat {
  0%   { transform: translateY(0) rotate(0deg); opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 0.5; }
  100% { transform: translateY(-100vh) rotate(720deg); opacity: 0; }
}

/* ── Login Container ─────────────────────────────────────── */
.login-container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 480px;
  min-height: 100vh;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0;
}

/* ── Brand Side ──────────────────────────────────────────── */
.login-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 80px;
  position: relative;
}

.login-brand::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--border), transparent);
}

.brand-content { max-width: 520px; }

.brand-logo {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 40px;
}

.logo-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--accent), var(--accent-gold));
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  color: white;
  box-shadow: 0 10px 40px rgba(255,107,53,0.4), 0 0 0 1px rgba(255,107,53,0.3);
  animation: logoPulse 3s ease-in-out infinite;
}
@keyframes logoPulse {
  0%, 100% { box-shadow: 0 10px 40px rgba(255,107,53,0.4), 0 0 0 1px rgba(255,107,53,0.3); }
  50%       { box-shadow: 0 10px 60px rgba(255,107,53,0.6), 0 0 0 3px rgba(255,107,53,0.2); }
}

.logo-text { display: flex; flex-direction: column; line-height: 1; }
.logo-nova {
  font-family: 'Rajdhani', sans-serif;
  font-size: 52px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 4px;
}
.logo-gym {
  font-family: 'Rajdhani', sans-serif;
  font-size: 28px;
  font-weight: 500;
  color: var(--text-sec);
  letter-spacing: 8px;
}

.brand-title {
  font-size: 36px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 16px;
  line-height: 1.3;
}

.brand-subtitle {
  font-size: 16px;
  color: var(--text-sec);
  line-height: 1.8;
  margin-bottom: 48px;
}

/* Features Grid */
.brand-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 48px;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: var(--glass);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text-sec);
  transition: var(--transition);
  cursor: default;
}
.feature-item:hover {
  background: rgba(255,107,53,0.08);
  border-color: var(--border);
  color: var(--text-primary);
  transform: translateX(-4px);
}
.feature-item i {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--accent), var(--accent-gold));
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; color: white;
  flex-shrink: 0;
}

/* Stats Row */
.brand-stats {
  display: flex;
  gap: 32px;
  padding: 24px 0;
  border-top: 1px solid var(--border-light);
}
.stat-item { display: flex; flex-direction: column; gap: 4px; }
.stat-number {
  font-family: 'Rajdhani', sans-serif;
  font-size: 32px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label { font-size: 13px; color: var(--text-muted); }

/* ── Login Form Side ─────────────────────────────────────── */
.login-form-section {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 40px;
  background: rgba(0,0,0,0.3);
  border-right: 1px solid var(--border-light);
}

.login-card {
  width: 100%;
  max-width: 420px;
  background: rgba(15,15,30,0.9);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 48px 40px;
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow), 0 0 0 1px rgba(255,107,53,0.1);
  transition: var(--transition);
}

/* Shake animation */
.login-card.shake {
  animation: shake 0.5s ease;
}
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-8px); }
  20%, 40%, 60%, 80% { transform: translateX(8px); }
}

.login-card-header {
  text-align: center;
  margin-bottom: 36px;
}
.card-logo {
  width: 70px; height: 70px;
  background: linear-gradient(135deg, var(--accent), var(--accent-gold));
  border-radius: 18px;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px; color: white;
  margin: 0 auto 20px;
  box-shadow: 0 8px 30px rgba(255,107,53,0.35);
}
.login-card-header h2 { font-size: 26px; font-weight: 800; color: var(--text-primary); margin-bottom: 8px; }
.login-card-header p { font-size: 14px; color: var(--text-muted); }

/* Form Groups */
.form-group { margin-bottom: 20px; }
.form-group label {
  display: flex; align-items: center; gap: 8px;
  font-size: 14px; font-weight: 600; color: var(--text-sec);
  margin-bottom: 8px;
}
.form-group label i { color: var(--accent); font-size: 13px; }

.input-wrapper { position: relative; }
.input-wrapper input {
  width: 100%;
  padding: 14px 48px 14px 18px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: 'IBM Plex Sans Arabic', 'Noto Kufi Arabic', 'Cairo', sans-serif;
  font-size: 15px;
  direction: rtl;
  transition: var(--transition);
  outline: none;
}
.input-wrapper input::placeholder { color: var(--text-muted); }
.input-wrapper input:focus {
  border-color: var(--accent);
  background: rgba(255,107,53,0.05);
  box-shadow: 0 0 0 3px rgba(255,107,53,0.15);
}
.input-icon {
  position: absolute;
  left: 14px; top: 50%; transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 15px;
  transition: var(--transition);
}
.input-wrapper input:focus ~ .input-icon { color: var(--accent); }

/* Error Message */
.form-error {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px;
  background: rgba(255,71,87,0.1);
  border: 1px solid rgba(255,71,87,0.3);
  border-radius: var(--radius-sm);
  color: var(--danger);
  font-size: 14px;
  margin-bottom: 16px;
  animation: slideDown 0.3s ease;
}
@keyframes slideDown { from { opacity:0; transform:translateY(-8px); } to { opacity:1; transform:none; } }

/* Login Button */
.btn-login {
  width: 100%;
  padding: 15px;
  background: linear-gradient(135deg, var(--accent), var(--accent-gold));
  border: none;
  border-radius: var(--radius-sm);
  color: white;
  font-family: 'IBM Plex Sans Arabic', 'Noto Kufi Arabic', 'Cairo', sans-serif;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: 10px;
  transition: var(--transition);
  box-shadow: 0 8px 25px rgba(255,107,53,0.35);
  margin-bottom: 28px;
}
.btn-login:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 12px 35px rgba(255,107,53,0.5);
}
.btn-login:active:not(:disabled) { transform: translateY(0); }
.btn-login:disabled { opacity: 0.7; cursor: not-allowed; }
.btn-icon { font-size: 14px; }

/* Demo Accounts */
.login-demo-accounts {
  border-top: 1px solid var(--border-light);
  padding-top: 24px;
  margin-bottom: 20px;
}
.demo-title {
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 2px;
}
.demo-accounts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.demo-account {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 14px;
  background: var(--glass);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  font-size: 13px; color: var(--text-sec);
  cursor: pointer;
  transition: var(--transition);
}
.demo-account:hover {
  background: rgba(255,107,53,0.1);
  border-color: var(--border);
  color: var(--text-primary);
  transform: translateY(-2px);
}
.demo-account i { color: var(--accent); font-size: 14px; }

.login-footer {
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 1024px) {
  .login-container { grid-template-columns: 1fr; }
  .login-brand { display: none; }
  .login-form-section {
    min-height: 100vh;
    border-right: none;
    background: transparent;
  }
}

@media (max-width: 480px) {
  .login-form-section { padding: 24px 20px; }
  .login-card { padding: 36px 24px; }
  .brand-features { grid-template-columns: 1fr; }
}

/* ── Theme Toggle Button ──────────────────────────────────── */
.theme-toggle-btn {
  position: fixed;
  top: 20px;
  left: 20px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 1000;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}
.theme-toggle-btn:hover {
  border-color: var(--accent);
  background: rgba(255, 107, 53, 0.1);
  transform: scale(1.1);
}

/* ── Light Mode Override ────────────────────────────────── */
.light-mode {
  --bg-dark:        #f3f4f6;
  --bg-card:        rgba(255,255,255,0.85);
  --border:         rgba(255,107,53,0.3);
  --border-light:   rgba(0,0,0,0.06);
  --text-primary:   #1f2937;
  --text-sec:       #4b5563;
  --text-muted:     #9ca3af;
  --glass:          rgba(255,255,255,0.65);
  --shadow:         0 25px 60px rgba(0,0,0,0.05);
}

.light-mode .bg-animation {
  background: radial-gradient(ellipse at 20% 50%, rgba(255,107,53,0.1) 0%, transparent 50%),
              radial-gradient(ellipse at 80% 20%, rgba(100,50,200,0.08) 0%, transparent 50%),
              radial-gradient(ellipse at 50% 80%, rgba(0,212,170,0.08) 0%, transparent 50%),
              linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
}

.light-mode .login-card {
  background: rgba(255, 255, 255, 0.95);
  border-color: rgba(255,107,53,0.3);
  box-shadow: 0 20px 40px rgba(0,0,0,0.05);
}

.light-mode .login-form-section {
  background: rgba(255,255,255,0.4);
  border-right-color: rgba(0,0,0,0.05);
}

.light-mode .login-brand::before {
  background: linear-gradient(to bottom, transparent, rgba(255,107,53,0.2), transparent);
}

.light-mode .brand-logo .logo-gym {
  color: var(--text-sec);
}

.light-mode .input-wrapper input {
  background: rgba(0, 0, 0, 0.03);
  color: #1f2937;
  border-color: rgba(0, 0, 0, 0.1);
}

.light-mode .input-wrapper input:focus {
  border-color: var(--accent);
  background: #ffffff;
}

.light-mode .input-icon {
  color: #4b5563;
}

.light-mode .input-wrapper input:focus ~ .input-icon {
  color: var(--accent);
}

/* ── Ultra-Wide & TV Screens ────────────────────────────── */
@media (min-width: 1920px) {
  .brand-content { max-width: 650px; }
  .brand-title { font-size: 44px; }
  .brand-subtitle { font-size: 18px; }
  .feature-item { font-size: 16px; padding: 20px 24px; }
  .login-card { max-width: 480px; padding: 56px 48px; }
  .login-card-header h2 { font-size: 30px; }
  .form-group label { font-size: 16px; }
  .input-wrapper input { padding: 16px 54px 16px 20px; font-size: 17px; }
  .btn-login { padding: 18px; font-size: 18px; }
}