* { font-family: 'Vazir', sans-serif; }
body, html { height: 100%; margin: 0; overflow-x: hidden; }
.loader-wrapper { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); display: flex; justify-content: center; align-items: center; z-index: 9999; animation: fadeOut 0.5s ease-in-out 2s forwards; }
.theme-loader { width: 80px; height: 80px; border: 4px solid rgba(255, 255, 255, 0.3); border-top: 4px solid #fff; border-radius: 50%; animation: spin 1s linear infinite; }
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
@keyframes fadeOut { to { opacity: 0; visibility: hidden; } }
.blurred-background { position: relative; min-height: 100vh; background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); display: flex; align-items: center; justify-content: center; padding: 20px; }
.blurred-background::before { content: ""; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background-image: url('https://images.unsplash.com/photo-1557683316-973673baf926?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80'); background-size: cover; background-position: center; background-attachment: fixed; filter: blur(8px) brightness(0.7); z-index: -1; }
.floating-elements { position: absolute; top: 0; left: 0; width: 100%; height: 100%; overflow: hidden; z-index: 0; }
.floating-circle { position: absolute; border-radius: 50%; background: rgba(255, 255, 255, 0.1); animation: float 6s ease-in-out infinite; }
.floating-circle:nth-child(1) { width: 100px; height: 100px; top: 10%; left: 20%; animation-delay: 0s; }
.floating-circle:nth-child(2) { width: 150px; height: 150px; top: 70%; right: 20%; animation-delay: 2s; }
.floating-circle:nth-child(3) { width: 80px; height: 80px; top: 40%; left: 10%; animation-delay: 4s; }
@keyframes float { 0%, 100% { transform: translateY(0px) rotate(0deg); } 50% { transform: translateY(-20px) rotate(180deg); } }
.login-container { position: relative; z-index: 2; max-width: 1000px; width: 100%; background: rgba(255, 255, 255, 0.1); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border-radius: 25px; border: 1px solid rgba(255, 255, 255, 0.2); box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2); overflow: visible; animation: slideUp 0.8s ease-out; }
@keyframes slideUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
.image-section { position: relative; background: linear-gradient(45deg, #667eea, #764ba2); display: flex; align-items: center; justify-content: center; min-height: 600px; }
.image-section::before { content: ""; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background-image: url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80'); background-size: cover; background-position: center; opacity: 0.8; border-radius: 0 0 0 25px; }
.image-overlay { position: relative; z-index: 2; text-align: center; color: white; padding: 40px; }
.image-overlay h2 { font-size: 2.5rem; font-weight: 700; margin-bottom: 20px; text-shadow: 2px 2px 4px rgba(0,0,0,0.3); }
.image-overlay p { font-size: 1.2rem; opacity: 0.9; text-shadow: 1px 1px 2px rgba(0,0,0,0.3); }
.form-section { background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(10px); padding: 40px 20px; display: flex; align-items: center; min-height: 600px; }
.login-form { width: 100%; max-width: 400px; margin: 0 auto; }
.login-form h3 { color: #333; font-weight: 700; font-size: 2.2rem; margin-bottom: 10px; text-align: center; }
.login-form .subtitle { color: #666; font-size: 1rem; text-align: center; margin-bottom: 40px; }
.form-label { color: #444; font-weight: 500; margin-bottom: 8px; }
.input-group { position: relative; margin-bottom: 20px; direction: rtl; }
.input-group-text { background: rgba(102, 126, 234, 0.1); border: 2px solid rgba(102, 126, 234, 0.2); color: #667eea; border-left: none; border-right: 2px solid rgba(102, 126, 234, 0.2); }
.form-control { border: 2px solid rgba(102, 126, 234, 0.2); border-right: none; border-left: 2px solid rgba(102, 126, 234, 0.2); padding: 12px 16px; font-size: 1rem; transition: all 0.3s ease; }
.form-control:focus { border-color: #667eea; box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25); background-color: rgba(102, 126, 234, 0.05); }
.btn-primary { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); border: none; padding: 14px; font-size: 1.1rem; font-weight: 600; border-radius: 12px; transition: all 0.3s ease; position: relative; overflow: hidden; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4); }
.btn-primary::before { content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%; background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent); transition: left 0.6s; }
.btn-primary:hover::before { left: 100%; }
.alert { border-radius: 12px; border: none; padding: 15px 20px; margin-bottom: 20px; animation: slideDown 0.5s ease-out; }
@keyframes slideDown { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }
.alert-danger { background: rgba(220, 53, 69, 0.1); color: #721c24; border-left: 4px solid #dc3545; }
.alert-success { background: rgba(25, 135, 84, 0.1); color: #0a3622; border-left: 4px solid #198754; }
.link-alternative { color: #667eea; text-decoration: none; font-weight: 500; transition: all 0.3s ease; position: relative; }
.link-alternative::after { content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px; background: #667eea; transition: width 0.3s ease; }
.link-alternative:hover::after { width: 100%; }
.link-alternative:hover { color: #5a67d8; transform: translateY(-1px); }
@media (max-width: 768px) { .image-section { display: none; } .form-section { padding: 40px 20px; min-height: 100vh; } .login-form h3 { font-size: 1.8rem; } .blurred-background { padding: 10px; } }
.fade-in { animation: fadeIn 0.8s ease-out; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.pulse { animation: pulse 2s infinite; }
@keyframes pulse { 0% { transform: scale(1); } 50% { transform: scale(1.05); } 100% { transform: scale(1); } }



.ripple { position: absolute; border-radius: 50%; background: rgba(255, 255, 255, 0.4); transform: scale(0); animation: rippleEffect 0.6s linear; pointer-events: none; }
@keyframes rippleEffect { to { transform: scale(2); opacity: 0; } }
.google-btn { display: flex; align-items: center; justify-content: center; width: 100%; padding: 12px; background: linear-gradient(135deg, #3578E5 0%, #2E8B47 50%, rgba(145,156,8,0.74) 75%, #D93025 100%); border: none; border-radius: 8px; color: #ffffff; font-family: 'Vazir', sans-serif; font-size: 18px; font-weight: 500; text-decoration: none; transition: all 0.3s ease; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15); position: relative; overflow: hidden; }
.google-btn::before { content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%; background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent); transition: 0.5s; }
.google-btn:hover::before { left: 100%; }
.google-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2); background: linear-gradient(135deg, #3578E5 0%, #2E8B47 50%, #F4B400 75%, #D93025 100%); }
.google-btn i { font-size: 18px; margin-left: 8px; }
.google-btn:active { transform: translateY(0); box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1); }