/* Login Page Specific Styles */
.login-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--space-2xl) 0;
    position: relative;
    overflow: hidden;
}

.login-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.login-gradient {
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 30%, rgba(255, 107, 107, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 70% 70%, rgba(78, 205, 196, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 50% 50%, rgba(220, 38, 38, 0.05) 0%, transparent 70%);
    animation: gradient-shift 20s ease-in-out infinite;
}

@keyframes gradient-shift {
    0%, 100% { transform: scale(1) rotate(0deg); }
    33% { transform: scale(1.1) rotate(120deg); }
    66% { transform: scale(0.9) rotate(240deg); }
}

.login-pattern {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 30px 30px;
    animation: float 30s linear infinite;
}

.login-container {
    max-width: 900px;
    margin: 0 auto;
    background: var(--surface);
    border-radius: 24px;
    border: 1px solid var(--border);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    overflow: hidden;
    animation: fadeInUp 0.6s ease-out;
}

.login-header {
    text-align: center;
    padding: var(--space-xl) var(--space-lg) var(--space-lg);
    border-bottom: 1px solid var(--border);
    background: linear-gradient(180deg, rgba(255, 107, 107, 0.05) 0%, transparent 100%);
}

.login-title {
    font-size: 2.5rem;
    margin-bottom: var(--space-sm);
}

.login-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* Tabs */
.login-tabs {
    display: flex;
    border-bottom: 1px solid var(--border);
    background: var(--background);
}

.tab-button {
    flex: 1;
    padding: var(--space-md);
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    transition: all var(--transition-base);
    position: relative;
}

.tab-button::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
}

.tab-button.active {
    color: var(--text);
}

.tab-button.active::after {
    width: 100%;
}

.tab-button:hover {
    color: var(--text);
    background: rgba(255, 107, 107, 0.05);
}

.tab-icon {
    width: 20px;
    height: 20px;
}

.tab-content {
    display: none;
    padding: var(--space-xl);
    animation: fadeIn 0.4s ease-out;
}

.tab-content.active {
    display: block;
}

/* QR Login */
.qr-login {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.qr-container {
    position: relative;
    background: white;
    border-radius: 20px;
    padding: var(--space-lg);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.qr-code {
    width: 280px;
    height: 280px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-code canvas {
    border-radius: 12px;
}

.qr-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(26, 26, 26, 0.95);
    border-radius: 20px;
    display: none;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
}

.qr-overlay.show {
    display: flex;
}

.qr-expired {
    text-align: center;
    color: white;
}

.expired-icon {
    width: 60px;
    height: 60px;
    margin-bottom: var(--space-md);
    stroke: var(--primary);
}

.qr-timer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    margin-top: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    background: var(--surface);
    border-radius: 50px;
    color: white;
}

.timer-label {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.timer-value {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--primary);
    font-variant-numeric: tabular-nums;
}

.qr-instructions h3 {
    margin-bottom: var(--space-md);
    color: var(--primary);
}

.instructions-list {
    list-style: none;
    margin-bottom: var(--space-lg);
}

.instructions-list li {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm) 0;
    color: var(--text-muted);
}

.step-number {
    width: 32px;
    height: 32px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    flex-shrink: 0;
}

.qr-benefits {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-md);
    background: rgba(255, 107, 107, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(255, 107, 107, 0.2);
}

.benefit {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--text-muted);
}

.benefit-icon {
    width: 20px;
    height: 20px;
    stroke: var(--primary);
}

/* Email Login Form */
.login-form {
    max-width: 400px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: var(--space-md);
}

.form-label {
    display: block;
    margin-bottom: var(--space-xs);
    color: var(--text);
    font-weight: 500;
}

.input-wrapper {
    position: relative;
}

.input-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    stroke: var(--text-muted);
    pointer-events: none;
}

.form-input {
    width: 100%;
    padding: 14px 16px 14px 48px;
    background: var(--background);
    border: 2px solid var(--border);
    border-radius: 12px;
    color: var(--text);
    font-size: 1rem;
    transition: all var(--transition-base);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--surface-light);
}

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

.toggle-password {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.eye-icon {
    width: 20px;
    height: 20px;
    stroke: var(--text-muted);
    transition: stroke var(--transition-fast);
}

.toggle-password:hover .eye-icon {
    stroke: var(--text);
}

.eye-icon.hidden {
    display: none;
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    cursor: pointer;
    color: var(--text-muted);
}

.checkbox-input {
    position: absolute;
    opacity: 0;
}

.checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border);
    border-radius: 4px;
    position: relative;
    transition: all var(--transition-fast);
}

.checkbox-input:checked + .checkbox-custom {
    background: var(--gradient-primary);
    border-color: var(--primary);
}

.checkbox-input:checked + .checkbox-custom::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 6px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.forgot-link {
    color: var(--primary);
    font-size: 0.9rem;
}

.btn-submit {
    position: relative;
    min-height: 48px;
}

.loading-spinner {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.loading-spinner.hidden {
    display: none;
}

.error-message {
    margin-top: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    background: rgba(220, 38, 38, 0.1);
    border: 1px solid rgba(220, 38, 38, 0.3);
    border-radius: 8px;
    color: #EF4444;
    text-align: center;
    display: none;
}

.error-message.show {
    display: block;
    animation: shake 0.5s;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

.divider {
    text-align: center;
    margin: var(--space-lg) 0;
    position: relative;
}

.divider::before,
.divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: calc(50% - 30px);
    height: 1px;
    background: var(--border);
}

.divider::before {
    left: 0;
}

.divider::after {
    right: 0;
}

.divider span {
    color: var(--text-muted);
    padding: 0 var(--space-md);
    background: var(--surface);
}

.social-login {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    max-width: 400px;
    margin: 0 auto;
}

.social-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 12px var(--space-md);
    background: var(--background);
    border: 2px solid var(--border);
    border-radius: 12px;
    color: var(--text);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
}

.social-button:hover {
    border-color: var(--primary);
    background: var(--surface-light);
    transform: translateY(-2px);
}

.social-icon {
    width: 20px;
    height: 20px;
}

.register-link {
    text-align: center;
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border);
}

.register-link p {
    color: var(--text-muted);
}

/* Success Overlay */
.success-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.success-overlay:not(.hidden) {
    opacity: 1;
}

.success-content {
    text-align: center;
    animation: successPop 0.5s ease-out;
}

@keyframes successPop {
    0% {
        transform: scale(0.5);
        opacity: 0;
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.success-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--space-lg);
    position: relative;
}

.checkmark {
    width: 100%;
    height: 100%;
    stroke: #10B981;
    stroke-width: 2;
    fill: none;
    animation: drawCheck 0.6s ease-out 0.3s forwards;
    stroke-dasharray: 100;
    stroke-dashoffset: 100;
}

@keyframes drawCheck {
    to {
        stroke-dashoffset: 0;
    }
}

.success-title {
    color: var(--text);
    margin-bottom: var(--space-sm);
}

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

/* Responsive */
@media (max-width: 768px) {
    .login-container {
        margin: var(--space-md);
    }
    
    .qr-login {
        grid-template-columns: 1fr;
    }
    
    .qr-container {
        max-width: 350px;
        margin: 0 auto;
    }
    
    .qr-benefits {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .login-tabs {
        flex-direction: column;
    }
    
    .tab-button::after {
        display: none;
    }
    
    .tab-button.active {
        background: rgba(255, 107, 107, 0.1);
        border-left: 3px solid var(--primary);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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