/* Root Variables */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --background: #f8fafc;
    --surface: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    min-height: 100vh;
    position: relative;
}

/* Navigation */
.navigation {
    background: var(--surface);
    padding: 1rem 2rem;
    box-shadow: var(--shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.nav-brand i {
    font-size: 2rem;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--primary-color);
    background-color: #eff6ff;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    flex-direction: column;
    gap: 1rem;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-overlay p {
    color: white;
    font-size: 1.1rem;
}

/* Alert Messages */
.alert {
    position: fixed;
    top: 80px;
    right: 20px;
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    display: none;
    max-width: 400px;
    word-wrap: break-word;
}

.alert.success {
    background: var(--success-color);
    color: white;
}

.alert.error {
    background: var(--error-color);
    color: white;
}

.alert.warning {
    background: var(--warning-color);
    color: white;
}

.alert.info {
    background: var(--primary-color);
    color: white;
}

/* Pages */
.page {
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* Form Container */
.form-container {
    max-width: 500px;
    margin: 0 auto;
    background: var(--surface);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
}

.form-container h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

/* Form Styles */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input {
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-hint {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

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

.password-toggle {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.25rem;
}

/* Checkbox */
.checkbox-group {
    flex-direction: row !important;
    align-items: center;
    gap: 0.75rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.95rem;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
}

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

.btn-secondary:hover {
    background: #475569;
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.button-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Form Links */
.form-links {
    display: flex;
    justify-content: space-between;
    margin-top: 1rem;
}

.form-links a {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.9rem;
}

.form-links a:hover {
    text-decoration: underline;
}

.form-footer {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--text-secondary);
}

.form-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

/* Verification Page */
.verification-intro {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.verification-status {
    background: #f0f9ff;
    border: 1px solid #0ea5e9;
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 2rem;
}

.status-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
}

.status-item i.success {
    color: var(--success-color);
}

.status-item i.pending {
    color: var(--warning-color);
}

.resend-section {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.resend-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 1rem;
}

/* Dashboard */
.dashboard-container {
    max-width: 800px;
    margin: 0 auto;
}

.user-info {
    background: var(--surface);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.dashboard-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.action-card {
    background: var(--surface);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.action-card h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background: var(--surface);
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
}

.modal form {
    padding: 1.5rem;
}

.modal-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

/* Console Logger */
.console-logger {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--surface);
    border-top: 2px solid var(--border-color);
    max-height: 300px;
    z-index: 500;
}

.console-header {
    padding: 0.75rem 1rem;
    background: #f8f9fa;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.console-toggle {
    background: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.console-content {
    max-height: 250px;
    overflow-y: auto;
    padding: 1rem;
}

.console-content.collapsed {
    display: none;
}

.console-actions {
    margin-bottom: 1rem;
}

.console-logs {
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
}

.log-entry {
    margin-bottom: 1rem;
    padding: 0.5rem;
    border-left: 3px solid var(--border-color);
    background: #f8f9fa;
}

.log-entry.request {
    border-left-color: var(--primary-color);
}

.log-entry.response {
    border-left-color: var(--success-color);
}

.log-entry.error {
    border-left-color: var(--error-color);
}

.log-timestamp {
    color: var(--text-secondary);
    font-size: 0.75rem;
}

.log-content {
    margin-top: 0.25rem;
    white-space: pre-wrap;
    word-break: break-word;
}

/* Responsive Design */
@media (max-width: 768px) {
    .navigation {
        padding: 1rem;
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-menu {
        gap: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .page {
        padding: 1rem;
    }
    
    .form-container {
        padding: 1.5rem;
    }
    
    .button-group {
        flex-direction: column;
    }
    
    .resend-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .dashboard-actions {
        grid-template-columns: 1fr;
    }
    
    .form-links {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.page {
    animation: fadeIn 0.3s ease-out;
}

/* Input validation states */
.form-group input.error {
    border-color: var(--error-color);
}

.form-group input.success {
    border-color: var(--success-color);
}

.form-error {
    color: var(--error-color);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* Progress indicators */
.progress-bar {
    width: 100%;
    height: 6px;
    background: var(--border-color);
    border-radius: 3px;
    overflow: hidden;
    margin: 1rem 0;
}

.progress-fill {
    height: 100%;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

/* Status badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge.verified {
    background: #dcfce7;
    color: #166534;
}

.badge.pending {
    background: #fef3c7;
    color: #92400e;
}

.badge.error {
    background: #fee2e2;
    color: #991b1b;
}