/**
 * BioEngine - Public Authentication Pages Styles
 * Login & Register pages with modern glassmorphism
 */

:root {
    --primary-color: #60a5fa;
    --secondary-color: #3b82f6;
    --background-dark: #0a1628;
    --surface-dark: #1a2332;
    --text-primary: #ffffff;
    --text-secondary: #cbd5e1;
    --success-color: #4ade80;
    --warning-color: #fbbf24;
    --error-color: #ef4444;
    --border-color: rgba(255, 255, 255, 0.1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #0a1628 0%, #1a2332 50%, #0a1628 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    overflow: hidden;
}

body::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(96,165,250,0.1) 0%, transparent 50%);
    animation: rotate 30s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Auth Container */
.auth-container {
    width: 100%;
    max-width: 450px;
    position: relative;
    z-index: 1;
}

.auth-card {
    background: linear-gradient(135deg, rgba(255,255,255,0.08), rgba(255,255,255,0.04));
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,226,138,0.15);
    border-radius: 24px;
    padding: 48px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
    animation: slideUp 0.5s ease-out;
}

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

/* Header */
.auth-header {
    text-align: center;
    margin-bottom: 32px;
}

.auth-header h1 {
    font-size: 32px;
    font-weight: 800;
    background: linear-gradient(135deg, #ffe28a 0%, #60a5fa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.auth-header h1 i {
    background: linear-gradient(135deg, #ffe28a 0%, #60a5fa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

/* Alerts */
.alert {
    padding: 14px 18px;
    border-radius: 12px;
    margin-bottom: 24px;
    font-size: 14px;
    animation: slideDown 0.3s ease-out;
}

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

.alert-danger {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}

.alert-success {
    background: rgba(74, 222, 128, 0.15);
    border: 1px solid rgba(74, 222, 128, 0.3);
    color: #86efac;
}

.alert ul {
    margin: 0;
    padding-left: 1.2rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 14px;
}

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

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.1);
}

.form-control::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.form-group small {
    display: block;
    margin-top: 6px;
    font-size: 12px;
    color: var(--text-secondary);
}

/* Checkbox */
input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.form-group label:has(input[type="checkbox"]) {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 400;
    cursor: pointer;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    cursor: pointer;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, #60a5fa 0%, #3b82f6 100%);
    color: white;
    box-shadow: 0 4px 16px rgba(96,165,250,0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(96,165,250,0.4);
}

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

.btn-block {
    width: 100%;
}

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

.auth-links p {
    margin: 12px 0;
    font-size: 14px;
    color: var(--text-secondary);
}

.auth-links a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s ease;
}

.auth-links a:hover {
    color: #93c5fd;
    text-decoration: underline;
}

/* Back to Welcome */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 24px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.2s ease;
}

.back-link:hover {
    color: var(--primary-color);
    transform: translateX(-4px);
}

/* Responsive */
@media (max-width: 500px) {
    .auth-card {
        padding: 32px 24px;
    }

    .auth-header h1 {
        font-size: 28px;
    }
}