/*
 * Theme Utility Classes - Используют CSS переменные темы
 * Автоматически подстраиваются под light/dark mode
 */

/* ===== TEXT COLORS ===== */
.text-theme-primary {
    color: var(--text-primary) !important;
}

.text-theme-secondary {
    color: var(--text-secondary) !important;
}

.text-theme-tertiary {
    color: var(--text-tertiary) !important;
}

.text-theme-accent {
    color: var(--color-accent) !important;
}

/* ===== BACKGROUND COLORS ===== */
.bg-theme-primary {
    background-color: var(--bg-primary) !important;
}

.bg-theme-secondary {
    background-color: var(--bg-secondary) !important;
}

.bg-theme-card {
    background-color: var(--bg-card) !important;
}

/* ===== BRAND COLORS ===== */
.text-brand-primary {
    color: var(--color-primary) !important;
}

.text-brand-secondary {
    color: var(--color-secondary) !important;
}

.bg-brand-primary {
    background-color: var(--color-primary) !important;
}

.bg-brand-secondary {
    background-color: var(--color-secondary) !important;
}

/* ===== BUTTONS ===== */
.btn-theme-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: white;
    border-radius: var(--border-radius);
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: var(--shadow-md);
}

.btn-theme-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl), var(--glow-primary);
    filter: brightness(1.15);
}

.btn-theme-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border-radius: var(--border-radius);
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid var(--border-color);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: var(--shadow-sm);
}

.btn-theme-secondary:hover {
    border-color: var(--color-primary);
    background: var(--bg-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-theme-outline {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    border-radius: var(--border-radius);
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-theme-outline:hover {
    background: var(--color-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md), var(--glow-primary);
}

/* Telegram Button - Official Telegram Blue */
.btn-telegram {
    background: #0088cc;
    color: white;
    border-radius: var(--border-radius);
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: var(--shadow-md);
}

.btn-telegram:hover {
    background: #0077b5;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 20px rgba(0, 136, 204, 0.4);
}

/* Telegram Link - For text links with Telegram icon */
.link-telegram {
    color: #0088cc;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.link-telegram:hover {
    color: #0077b5;
}

/* ===== LINKS ===== */
.link-theme {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.link-theme:hover {
    color: var(--color-accent);
}

.link-theme-secondary {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.link-theme-secondary:hover {
    color: var(--text-primary);
}

/* ===== BORDERS ===== */
.border-theme {
    border-color: var(--border-color) !important;
}

.border-theme-hover:hover {
    border-color: var(--border-hover) !important;
}

/* ===== SHADOWS ===== */
.shadow-theme-sm {
    box-shadow: var(--shadow-sm);
}

.shadow-theme-md {
    box-shadow: var(--shadow-md);
}

.shadow-theme-lg {
    box-shadow: var(--shadow-lg);
}

.shadow-theme-xl {
    box-shadow: var(--shadow-xl);
}

/* ===== CUSTOM COMPONENTS ===== */

/* Theme Card - Enhanced glass card */
.theme-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.theme-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

/* Icon Backgrounds */
.icon-bg-primary {
    background: var(--color-primary);
    opacity: 0.2;
}

.icon-bg-secondary {
    background: var(--color-secondary);
    opacity: 0.2;
}

.icon-bg-accent {
    background: var(--color-accent);
    opacity: 0.2;
}

/* Navbar themed */
.navbar-theme {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}

.navbar-theme-link {
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.navbar-theme-link:hover {
    color: var(--color-primary);
}

/* Footer themed */
.footer-theme {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--border-color);
}

.footer-theme-link {
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.footer-theme-link:hover {
    color: var(--text-primary);
}

/* Heading themed */
.heading-theme {
    color: var(--text-primary);
    font-family: var(--font-heading);
}

/* Card hover effect */
.card-theme-hover {
    background: var(--bg-hover);
}

/* Check icons with accent */
.check-theme {
    color: var(--color-accent);
}

/* Badge/Tag - Enhanced with glow */
.badge-theme {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    box-shadow: var(--shadow-sm);
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

/* Input themed */
.input-theme {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

.input-theme:focus {
    border-color: var(--color-primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.1);
}

.input-theme::placeholder {
    color: var(--text-tertiary);
}

/* Dropdown themed */
.dropdown-theme {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
}

.dropdown-theme-item {
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    transition: background 0.2s ease;
}

.dropdown-theme-item:hover {
    background: var(--bg-hover);
}

/* Alert/Notice */
.alert-theme-info {
    background: var(--bg-card);
    border-left: 4px solid var(--color-primary);
    color: var(--text-primary);
    padding: 1rem;
    border-radius: var(--radius-md);
}

.alert-theme-success {
    background: var(--bg-card);
    border-left: 4px solid var(--color-accent);
    color: var(--text-primary);
    padding: 1rem;
    border-radius: var(--radius-md);
}

/* Divider */
.divider-theme {
    border-color: var(--border-color);
}

/* ===== RESPONSIVE UTILITIES ===== */

/* Mobile menu overlay */
.mobile-menu-theme {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
}

/* ===== HOVER EFFECTS ===== */

.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.hover-scale {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-scale:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

/* ===== GRADIENT OVERLAYS ===== */

.gradient-overlay-theme {
    position: relative;
}

.gradient-overlay-theme::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    opacity: 0.1;
    border-radius: inherit;
}

/* ===== ANIMATIONS ===== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Smooth transitions for theme switching */
* {
    transition-property: background-color, color, border-color;
    transition-duration: 0.3s;
    transition-timing-function: ease;
}

/* Preserve hover transitions */
a, button, .hover-lift, .hover-scale {
    transition-property: background-color, color, border-color, transform, box-shadow;
}