/**
 * Login Page Styles
 * Animated background with centered login form
 */

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

/* Animated Background */
.login-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--color-navy) 50%, var(--bg-secondary) 100%);
}

.login-bg::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(
        circle at 30% 30%,
        rgba(128, 0, 32, 0.15) 0%,
        transparent 40%
    ), radial-gradient(
        circle at 70% 70%,
        rgba(50, 205, 50, 0.1) 0%,
        transparent 40%
    );
    animation: bg-rotate 30s linear infinite;
}

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

/* Floating Particles */
.login-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--color-lime);
    border-radius: 50%;
    opacity: 0.3;
    animation: float-up 15s linear infinite;
}

.particle:nth-child(1) { left: 10%; animation-delay: 0s; animation-duration: 12s; }
.particle:nth-child(2) { left: 20%; animation-delay: 2s; animation-duration: 14s; }
.particle:nth-child(3) { left: 30%; animation-delay: 4s; animation-duration: 16s; }
.particle:nth-child(4) { left: 40%; animation-delay: 1s; animation-duration: 13s; }
.particle:nth-child(5) { left: 50%; animation-delay: 3s; animation-duration: 15s; }
.particle:nth-child(6) { left: 60%; animation-delay: 5s; animation-duration: 11s; }
.particle:nth-child(7) { left: 70%; animation-delay: 0s; animation-duration: 17s; }
.particle:nth-child(8) { left: 80%; animation-delay: 2s; animation-duration: 12s; }
.particle:nth-child(9) { left: 90%; animation-delay: 4s; animation-duration: 14s; }

@keyframes float-up {
    0% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 0.3;
    }
    90% {
        opacity: 0.3;
    }
    100% {
        transform: translateY(-100vh) scale(1);
        opacity: 0;
    }
}

/* Login Container */
.login-container {
    width: 100%;
    max-width: 420px;
    position: relative;
    z-index: 1;
}

/* Login Card */
.login-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    animation: card-appear 0.6s ease forwards;
}

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

/* Login Header */
.login-header {
    padding: var(--spacing-xl);
    text-align: center;
    background: linear-gradient(135deg, var(--color-maroon) 0%, var(--color-maroon-light) 100%);
    position: relative;
    overflow: hidden;
}

.login-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 0L60 30L30 60L0 30z' fill='%23ffffff' fill-opacity='0.03'/%3E%3C/svg%3E");
    opacity: 0.5;
}

.login-logo {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.login-logo-icon {
    width: 64px;
    height: 64px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    backdrop-filter: blur(10px);
}

.login-logo-text {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: white;
}

.login-logo-text span {
    color: var(--color-lime);
}

.login-subtitle {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

/* Login Body */
.login-body {
    padding: var(--spacing-xl);
}

/* Login Type Tabs */
.login-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    background: var(--bg-input);
    padding: 4px;
    border-radius: var(--border-radius);
}

.login-tab {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
    font-weight: 500;
    text-align: center;
    background: transparent;
    border: none;
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.login-tab:hover {
    color: var(--text-primary);
}

.login-tab.active {
    background: var(--color-maroon);
    color: white;
}

/* Login Forms */
.login-form {
    display: none;
}

.login-form.active {
    display: block;
    animation: fade-in 0.3s ease;
}

@keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* OTP Input Group */
.otp-input-group {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin: var(--spacing-lg) 0;
}

.otp-input {
    width: 48px;
    height: 56px;
    text-align: center;
    font-size: 1.5rem;
    font-weight: 600;
    font-family: var(--font-mono);
    background: var(--bg-input);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.otp-input:focus {
    outline: none;
    border-color: var(--color-lime);
    box-shadow: 0 0 0 3px rgba(50, 205, 50, 0.15);
}

.otp-input.filled {
    border-color: var(--color-lime);
    background: rgba(50, 205, 50, 0.1);
}

/* Magic Link Section */
.magic-link-sent {
    text-align: center;
    padding: var(--spacing-lg);
}

.magic-link-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    background: rgba(50, 205, 50, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--color-lime);
    animation: pulse-glow 2s ease infinite;
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(50, 205, 50, 0.4);
    }
    50% {
        box-shadow: 0 0 20px 10px rgba(50, 205, 50, 0);
    }
}

.magic-link-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.magic-link-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.magic-link-email {
    font-weight: 500;
    color: var(--color-lime);
}

.resend-link {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.resend-link a {
    color: var(--color-lime);
}

/* 2FA Section */
.two-factor-section {
    text-align: center;
}

.two-factor-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-lg);
    background: var(--bg-input);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--color-lime);
}

/* Login Footer */
.login-footer {
    padding: var(--spacing-md) var(--spacing-xl);
    text-align: center;
    border-top: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.1);
}

.login-footer-text {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Alert Messages */
.login-alert {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
    font-size: 0.875rem;
}

.login-alert.error {
    background: rgba(255, 107, 107, 0.15);
    border: 1px solid rgba(255, 107, 107, 0.3);
    color: var(--color-error);
}

.login-alert.success {
    background: rgba(50, 205, 50, 0.15);
    border: 1px solid rgba(50, 205, 50, 0.3);
    color: var(--color-success);
}

.login-alert.info {
    background: rgba(77, 168, 218, 0.15);
    border: 1px solid rgba(77, 168, 218, 0.3);
    color: var(--color-info);
}

.login-alert i {
    font-size: 1.1rem;
    margin-top: 2px;
}

/* Password Input with Toggle */
.password-input-wrapper {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    transition: color var(--transition-fast);
}

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

/* Backup Codes Modal */
.backup-codes-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
    margin: var(--spacing-lg) 0;
}

.backup-code {
    padding: var(--spacing-sm);
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    text-align: center;
    color: var(--text-primary);
}

/* QR Code Section */
.qr-code-section {
    text-align: center;
    padding: var(--spacing-lg);
    background: white;
    border-radius: var(--border-radius);
    margin: var(--spacing-lg) 0;
}

.qr-code-section img {
    max-width: 200px;
}

.manual-key {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-input);
    border-radius: var(--border-radius);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    word-break: break-all;
    color: var(--text-primary);
}

/* Responsive */
@media (max-width: 480px) {
    .login-container {
        max-width: 100%;
    }
    
    .login-header {
        padding: var(--spacing-lg);
    }
    
    .login-logo-icon {
        width: 56px;
        height: 56px;
        font-size: 1.75rem;
    }
    
    .login-logo-text {
        font-size: 1.5rem;
    }
    
    .login-body {
        padding: var(--spacing-lg);
    }
    
    .otp-input {
        width: 40px;
        height: 48px;
        font-size: 1.25rem;
    }
}