/* Atlas Lead - Authentication Styles
 * Design System: Liquid Glass Glassmorphism
 */

:root {
    /* Glass Colors */
    --glass-bg: rgba(26, 31, 43, 0.6);
    --glass-border: rgba(142, 113, 255, 0.3);
    --glass-highlight: rgba(255, 255, 255, 0.4);
    
    /* Purple Gradient */
    --purple-main: #8e71ff;
    --purple-light: #a98fff;
    --purple-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    
    /* Text Colors */
    --text-primary: rgba(255, 255, 255, 0.95);
    --text-secondary: rgba(139, 146, 167, 1);
    --text-muted: rgba(180, 185, 197, 1);
    
    /* Background */
    --bg-dark: #0f1419;
    --bg-darker: #1a1f2b;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #0f1419 0%, #1a1f2b 50%, #0f1419 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    overflow-x: hidden;
}

/* Animated Background Gradient */
body::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 40%, rgba(102, 126, 234, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 70% 60%, rgba(118, 75, 162, 0.15) 0%, transparent 50%);
    animation: gradientShift 15s ease infinite;
    pointer-events: none;
    z-index: 0;
}

@keyframes gradientShift {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(10%, 10%); }
}

/* Auth Container - Liquid Glass Effect */
.auth-container {
    position: relative;
    z-index: 1;
    max-width: 440px;
    width: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 48px 40px;
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37),
                inset 0 1px 1px 0 var(--glass-highlight),
                inset 0 -1px 1px 0 rgba(0, 0, 0, 0.1);
    animation: slideUpFadeIn 0.6s ease-out;
}

/* Glass Highlight Effect */
.auth-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.15) 0%, transparent 100%);
    border-radius: 24px 24px 0 0;
    pointer-events: none;
}

@keyframes slideUpFadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Logo */
.auth-logo {
    text-align: center;
    margin-bottom: 32px;
    position: relative;
    z-index: 1;
}

.auth-logo h1 {
    font-size: 32px;
    font-weight: 700;
    background: var(--purple-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.auth-logo p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Form */
.auth-form {
    position: relative;
    z-index: 1;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
}

.form-group input {
    width: 100%;
    padding: 14px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 15px;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--purple-main);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(142, 113, 255, 0.15);
}

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

/* Buttons */
.btn-primary {
    width: 100%;
    padding: 14px;
    background: var(--purple-gradient);
    border: none;
    border-radius: 12px;
    color: white;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.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 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

/* Links */
.auth-links {
    text-align: center;
    margin-top: 24px;
}

.auth-links a {
    color: var(--purple-main);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.auth-links a:hover {
    color: var(--purple-light);
    text-decoration: underline;
}

.auth-divider {
    text-align: center;
    margin: 20px 0;
    color: var(--text-secondary);
    font-size: 13px;
}

/* Alert Messages */
.alert {
    padding: 12px 16px;
    border-radius: 12px;
    margin-bottom: 20px;
    font-size: 14px;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert-error {
    background: rgba(220, 38, 38, 0.15);
    border: 1px solid rgba(220, 38, 38, 0.3);
    color: #fca5a5;
}

.alert-success {
    background: rgba(34, 197, 94, 0.15);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #86efac;
}

.alert-info {
    background: rgba(59, 130, 246, 0.15);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: #93c5fd;
}

/* Loading State */
.btn-primary.loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn-primary.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Verification Code Input */
.code-input-group {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin: 24px 0;
}

.code-input {
    width: 50px;
    height: 56px;
    text-align: center;
    font-size: 24px;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.code-input:focus {
    outline: none;
    border-color: var(--purple-main);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(142, 113, 255, 0.15);
}

/* Footer */
.auth-footer {
    text-align: center;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    font-size: 13px;
}

/* Responsive */
@media (max-width: 480px) {
    .auth-container {
        padding: 32px 24px;
        border-radius: 20px;
    }
    
    .auth-logo h1 {
        font-size: 28px;
    }
    
    .code-input {
        width: 45px;
        height: 50px;
        font-size: 20px;
    }
}