/* Theme Toggle & Page Loader - Shared Styles */

/* Dark Mode Colors (warmer, brighter navy) */
:root {
    --primary: #1E2444;
    --secondary: #2A3358;
    --accent: #00D9FF;
    --text: #FFFFFF;
    --text-dim: #C8CDE0;
    --border: #4A5280;
}

/* Light Mode (warm cream/beige) */
[data-theme="light"] {
    --primary: #F0EDE8;
    --secondary: #FAFAF8;
    --accent: #0077AA;
    --text: #2A3358;
    --text-dim: #5A6080;
    --border: #C8C4BC;
}

[data-theme="light"] .page-loader {
    background: var(--primary);
}

[data-theme="light"] nav {
    background: rgba(240, 237, 232, 0.95);
}

[data-theme="light"] .scroll-to-top {
    background: #FFFFFF;
    border-color: var(--accent);
}

[data-theme="light"] .scroll-to-top:hover {
    background: var(--accent);
    color: #FFFFFF;
}

/* Highlight text (theme-responsive) */
.highlight {
    color: #FFFFFF;
    font-weight: 700;
}

[data-theme="light"] .highlight {
    color: var(--accent);
}

/* Page Loading Animation */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loader-logo {
    font-family: 'JetBrains Mono', monospace;
    font-size: 2rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 1rem;
}

.loader-logo span {
    color: var(--text);
    font-weight: 400;
    font-size: 1.2rem;
}

.loader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

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

/* Modern Theme Toggle Switch */
.theme-toggle {
    position: relative;
    width: 52px;
    height: 28px;
    background: var(--border);
    border-radius: 14px;
    border: none;
    cursor: pointer;
    padding: 0;
    margin-right: 1rem;
    transition: background 0.3s ease;
    flex-shrink: 0;
}

.theme-toggle:hover {
    background: var(--accent);
}

.theme-toggle::before {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 22px;
    height: 22px;
    background: var(--text);
    border-radius: 50%;
    transition: transform 0.3s ease, background 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

[data-theme="light"] .theme-toggle::before {
    transform: translateX(24px);
    background: var(--primary);
}

.theme-toggle .theme-icon {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.8rem;
    transition: opacity 0.3s ease;
}

.theme-toggle .icon-moon {
    right: 6px;
    opacity: 1;
}

.theme-toggle .icon-sun {
    left: 6px;
    opacity: 0.4;
}

[data-theme="light"] .theme-toggle .icon-moon {
    opacity: 0.4;
}

[data-theme="light"] .theme-toggle .icon-sun {
    opacity: 1;
}

@media (max-width: 768px) {
    .nav-right > .theme-toggle {
        display: none !important;
    }
    
    .nav-right {
        gap: 0.5rem;
    }
}

/* Mobile Menu Bottom Controls */
.mobile-theme-top {
    position: absolute;
    top: 2rem;
    right: 0;
    z-index: 1003;
}

.mobile-theme-top .theme-toggle {
    display: flex;
    background: transparent;
    border: 1px solid var(--border);
}

.mobile-lang-flow .lang-icon {
    font-size: 1.5rem;
    margin-right: 0.5rem;
}

/* Option C: Flow Layout Language Buttons */
.mobile-lang-flow {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: center;
}

.mobile-lang-flow .lang-options {
    display: flex;
    gap: 0.5rem;
}

.mobile-lang-flow .lang-option-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-dim);
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.mobile-lang-flow .lang-option-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.mobile-lang-flow .lang-option-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--primary);
}

/* Light Mode - Page Titles */
[data-theme="light"] .partners-title,
[data-theme="light"] .about-title,
[data-theme="light"] .business-title,
[data-theme="light"] .company-title,
[data-theme="light"] .contact-title,
[data-theme="light"] .page-title {
    background: linear-gradient(135deg, var(--text) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Light Mode - Mobile Menu */
[data-theme="light"] .mobile-menu {
    background: rgba(240, 237, 232, 0.98);
}

[data-theme="light"] .mobile-menu a {
    color: var(--text-dim);
}

[data-theme="light"] .mobile-menu a:hover,
[data-theme="light"] .mobile-menu a.active {
    color: var(--accent);
    background: rgba(0, 119, 170, 0.1);
}

[data-theme="light"] .hamburger span {
    background: var(--text);
}

[data-theme="light"] .language-dropdown {
    background: var(--secondary);
    border-color: var(--border);
}

[data-theme="light"] .language-option {
    color: var(--text);
}

[data-theme="light"] .language-option:hover {
    background: rgba(0, 119, 170, 0.1);
}

[data-theme="light"] .mobile-lang-section {
    border-top-color: var(--border);
}

[data-theme="light"] .mobile-lang-section .lang-option-btn {
    border-color: var(--border);
    color: var(--text-dim);
}

[data-theme="light"] .mobile-lang-section .lang-option-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

[data-theme="light"] .mobile-lang-section .lang-option-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #FFFFFF;
}