:root {
    --primary-color: #00d4ff;
    --secondary-color: #6c5ce7;
    --success-color: #00b894;
    --danger-color: #e74c3c;
    --warning-color: #f39c12;
    --dark-bg: #0a0a0a;
    --card-bg: #1a1a2e;
    --card-bg-light: #16213e;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --border-color: #333;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #00d4ff 0%, #6c5ce7 100%);
    --gradient-3: linear-gradient(135deg, #00b894 0%, #00d4ff 100%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

/* Background Animation */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(ellipse at center, #1a1a2e 0%, #0a0a0a 100%);
    overflow: hidden;
}

.bg-animation::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg at 50% 50%, transparent 0deg, rgba(0, 212, 255, 0.03) 90deg, transparent 180deg);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    100% { transform: rotate(360deg); }
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Auth Container */
.auth-container {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.auth-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 40px;
    width: 100%;
    max-width: 450px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
    overflow: hidden;
}

.auth-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-2);
}

/* Logo */
.logo-container {
    text-align: center;
    margin-bottom: 30px;
}

.logo-container img {
    max-width: 180px;
    height: auto;
}

.logo-container h1 {
    font-size: 28px;
    font-weight: 700;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-top: 10px;
}

.welcome-text {
    text-align: center;
    margin-bottom: 30px;
}

.welcome-text .emoji {
    font-size: 32px;
    margin-bottom: 10px;
}

.welcome-text h2 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 5px;
}

.welcome-text p {
    color: var(--text-secondary);
}

.welcome-text .success-message {
    color: var(--success-color);
}

.welcome-text .error-message {
    color: var(--danger-color);
}

/* Form Styles */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-primary);
}

.form-row {
    display: flex;
    gap: 15px;
}

.form-row .form-group {
    flex: 1;
}

.input-group {
    position: relative;
}

.input-group input,
.input-group select {
    width: 100%;
    padding: 15px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 16px;
    transition: all 0.3s ease;
}

.input-group input:focus,
.input-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.input-group input::placeholder {
    color: var(--text-secondary);
}

.input-group .toggle-password {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 18px;
}

.input-group .toggle-password:hover {
    color: var(--primary-color);
}

.input-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23a0a0a0' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
}

.input-group select option {
    background: var(--card-bg);
    color: var(--text-primary);
}

/* Phone Input */
.phone-input {
    display: flex;
    gap: 10px;
}

.phone-input select {
    width: 100px;
    flex-shrink: 0;
}

.phone-input input {
    flex: 1;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 15px 30px;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-3);
    color: white;
    width: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 180, 148, 0.3);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

.btn-danger {
    background: var(--danger-color);
    color: white;
}

.btn-group {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.btn-group .btn {
    flex: 1;
}

/* Links */
.auth-links {
    text-align: center;
    margin-top: 25px;
}

.auth-links a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.auth-links a:hover {
    color: #00b8d4;
}

/* Section Title */
.section-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Alert Messages */
.alert {
    padding: 15px 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-weight: 500;
}

.alert-success {
    background: rgba(0, 184, 148, 0.1);
    border: 1px solid var(--success-color);
    color: var(--success-color);
}

.alert-error {
    background: rgba(231, 76, 60, 0.1);
    border: 1px solid var(--danger-color);
    color: var(--danger-color);
}

.alert-warning {
    background: rgba(243, 156, 18, 0.1);
    border: 1px solid var(--warning-color);
    color: var(--warning-color);
}

.alert-info {
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
}

/* Registration Form (Wider) */
.auth-card.register-card {
    max-width: 550px;
}

/* Responsive */
@media (max-width: 576px) {
    .auth-card {
        padding: 30px 20px;
    }
    
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    
    .btn-group {
        flex-direction: column;
    }
}