/**
 * Footer Component Styles
 * Academic Legal Website
 * 
 * Multi-column footer with newsletter integration
 */

/* ============================================================================
   FOOTER CONTAINER
   ========================================================================= */

.site-footer {
    background-color: var(--primary-dark);
    color: var(--white);
    padding: var(--space-3xl) 0 var(--space-xl);
    margin-top: auto;
    border-top: 3px solid var(--accent);
}

/* Dark mode: Use consistent background with rest of site */
[data-theme="dark"] .site-footer {
    background-color: var(--surface);
    border-top-color: var(--accent);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr;
        gap: var(--space-3xl);
    }
}

/* Simpler 2-column footer layout */
.footer-grid-simple {
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .footer-grid-simple {
        grid-template-columns: 1.5fr 1fr 1fr;
    }
}

/* ============================================================================
   CONTACT LINKS WITH ICONS
   ========================================================================= */

.footer-contact-links a {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.footer-contact-links svg {
    flex-shrink: 0;
    color: var(--accent);
}

/* ============================================================================
   FOOTER BRAND COLUMN
   ========================================================================= */

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.footer-brand .logo-text {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: var(--font-bold);
    color: var(--white);
    margin-bottom: var(--space-xs);
}

.footer-brand p {
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-sm);
}

/* Dark mode: Use standard text color */
[data-theme="dark"] .footer-brand p {
    color: var(--text-medium);
}

.footer-credentials {
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--accent) !important;
    font-weight: var(--font-semibold);
}

.footer-bio {
    font-size: var(--text-sm) !important;
}

/* Shorter footer tagline */
.footer-tagline {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-xs);
    font-weight: var(--font-medium);
}

/* Short bio for simplified footer */
.footer-bio-short {
    font-size: var(--text-sm) !important;
    line-height: var(--leading-relaxed);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-md);
}

[data-theme="dark"] .footer-tagline,
[data-theme="dark"] .footer-bio-short {
    color: var(--text-medium);
}

/* ============================================================================
   NEWSLETTER FORM IN FOOTER
   ========================================================================= */

.newsletter-form {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.newsletter-form input[type="email"] {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    font-size: var(--text-sm);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-md);
    background-color: var(--white);
    color: var(--text-dark);
    transition: border-color var(--transition-fast);
}

.newsletter-form input[type="email"]:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.1);
}

/* Dark mode: Standard form input styling */
[data-theme="dark"] .newsletter-form input[type="email"] {
    background-color: var(--surface);
    color: var(--text-dark);
    border-color: var(--border-color);
}

[data-theme="dark"] .newsletter-form input[type="email"]:focus {
    border-color: var(--accent);
}

.newsletter-form button {
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    background-color: var(--accent);
    color: var(--white);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.newsletter-form button:hover {
    background-color: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.newsletter-form button:active {
    transform: translateY(0);
}

/* Dark mode: Keep accent button visible */
[data-theme="dark"] .newsletter-form button {
    background-color: var(--accent);
    color: var(--primary-dark);
}

[data-theme="dark"] .newsletter-form button:hover {
    background-color: #93c5fd;
}

.newsletter-hint {
    font-size: var(--text-xs) !important;
    color: rgba(255, 255, 255, 0.8) !important;
    margin-top: var(--space-xs) !important;
}

/* Dark mode */
[data-theme="dark"] .newsletter-hint {
    color: var(--text-muted) !important;
}

.newsletter-message {
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    margin-top: var(--space-sm);
}

.newsletter-message.success {
    background-color: var(--success-light);
    color: var(--success-dark);
    border: 1px solid var(--success);
}

.newsletter-message.error {
    background-color: var(--error-light);
    color: var(--error-dark);
    border: 1px solid var(--error);
}

/* ============================================================================
   FOOTER LINKS COLUMNS
   ========================================================================= */

.footer-links-col {
    display: flex;
    flex-direction: column;
}

.footer-heading {
    font-family: var(--font-serif);
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--white);
    margin-bottom: var(--space-md);
}

/* Dark mode: Use primary text color */
[data-theme="dark"] .footer-heading {
    color: var(--text-dark);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-links a {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    transition: color var(--transition-fast);
    display: inline-block;
}

.footer-links a:hover {
    color: var(--accent);
    text-decoration: underline;
}

/* Dark mode: Use standard link colors */
[data-theme="dark"] .footer-links a {
    color: var(--text-medium);
}

[data-theme="dark"] .footer-links a:hover {
    color: var(--accent);
}

.footer-links a:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* ============================================================================
   FOOTER BOTTOM BAR
   ========================================================================= */

.footer-bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    align-items: center;
    text-align: center;
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        flex-wrap: wrap;
        text-align: left;
    }
}

.footer-copyright {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.7);
}

.footer-disclaimer {
    font-size: var(--text-xs);
    color: rgba(255, 255, 255, 0.6);
    font-style: italic;
}

/* Dark mode */
[data-theme="dark"] .footer-copyright {
    color: var(--text-muted);
}

[data-theme="dark"] .footer-disclaimer {
    color: var(--text-muted);
}

[data-theme="dark"] .footer-bottom {
    border-top-color: var(--border-color);
}

.footer-legal-links {
    display: flex;
    gap: var(--space-lg);
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-legal-links a {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-legal-links a:hover {
    color: var(--accent);
}

/* Dark mode */
[data-theme="dark"] .footer-legal-links a {
    color: var(--text-muted);
}

[data-theme="dark"] .footer-legal-links a:hover {
    color: var(--accent);
}

/* ============================================================================
   PHASE 8: NEWSLETTER FORM ENHANCEMENTS
   ========================================================================= */

/* Newsletter message container */
.newsletter-message {
    margin-top: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.newsletter-message .message-icon {
    font-weight: bold;
}

.newsletter-message-success {
    background: rgba(56, 161, 105, 0.2);
    color: #276749;
    border: 1px solid rgba(56, 161, 105, 0.4);
}

.newsletter-message-error {
    background: rgba(229, 62, 62, 0.2);
    color: #c53030;
    border: 1px solid rgba(229, 62, 62, 0.4);
}

/* Dark mode message colors */
[data-theme="dark"] .newsletter-message-success {
    background: rgba(56, 161, 105, 0.15);
    color: #68d391;
}

[data-theme="dark"] .newsletter-message-error {
    background: rgba(229, 62, 62, 0.15);
    color: #fc8181;
}

/* Newsletter form validation states */
.newsletter-form input[type="email"].is-valid {
    border-color: #38a169;
}

.newsletter-form input[type="email"].is-invalid {
    border-color: #e53e3e;
}

/* Loading button state */
.newsletter-form button.is-loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
    min-width: 100px;
}

.newsletter-form button.is-loading::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    margin: -8px 0 0 -8px;
    border: 2px solid transparent;
    border-top-color: white;
    border-radius: 50%;
    animation: newsletter-spinner 0.6s linear infinite;
}

@keyframes newsletter-spinner {
    to {
        transform: rotate(360deg);
    }
}

/* Disabled state */
.newsletter-form input:disabled,
.newsletter-form button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}