/* ===================================
   СБП VPN - Основные стили
   =================================== */

:root {
    /* Цветовая палитра - Темная тема (по умолчанию) */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #0ea5e9;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --purple: #8b5cf6;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --gray: #64748b;
    --gray-light: #94a3b8;
    --light: #f1f5f9;
    --white: #ffffff;
    
    /* Градиенты */
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --gradient-dark: linear-gradient(180deg, var(--dark) 0%, var(--dark-light) 100%);
    
    /* Тени */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);
    
    /* Переходы */
    --transition: all 0.3s ease;
    --transition-fast: all 0.15s ease;
    
    /* Границы */
    --border-radius: 12px;
    --border-radius-lg: 20px;
    --border-radius-xl: 30px;
}

/* Светлая тема */
body.light-theme {
    --dark: #f8fafc;
    --dark-light: #ffffff;
    --gray: #64748b;
    --gray-light: #475569;
    --light: #1e293b;
    --white: #0f172a;
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.15);
}

body.light-theme .navbar {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-md);
}

body.light-theme .navbar .nav-link {
    color: var(--gray-light) !important;
}

body.light-theme .navbar .nav-link:hover,
body.light-theme .navbar .nav-link.active {
    color: var(--primary) !important;
}

body.light-theme .hero-section {
    background: linear-gradient(180deg, #f0f9ff 0%, #e0f2fe 100%);
}

body.light-theme .hero-title {
    color: var(--dark);
}

body.light-theme .hero-lead {
    color: var(--gray-light);
}

body.light-theme .feature-card,
body.light-theme .tariff-card,
body.light-theme .support-card,
body.light-theme .accordion-item {
    background: var(--white);
    border-color: rgba(99, 102, 241, 0.15);
    box-shadow: var(--shadow-md);
}

body.light-theme .form-control,
body.light-theme .form-select {
    background: var(--white);
    border-color: rgba(99, 102, 241, 0.2);
    color: var(--dark);
}

body.light-theme .form-control::placeholder {
    color: var(--gray);
}

body.light-theme .modal-content {
    background: var(--white);
    color: var(--dark);
}

body.light-theme .modal-title {
    color: var(--dark);
}

body.light-theme .btn-close-white {
    filter: none;
}

/* ===================================
   Базовые стили
   =================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--dark);
    color: var(--light);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===================================
   Навигация
   =================================== */

.navbar {
    padding: 15px 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-md);
    padding: 10px 0;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.5rem;
}

.brand-logo {
    width: 40px;
    height: 40px;
    color: var(--primary);
}

.brand-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-link {
    font-weight: 500;
    margin: 0 10px;
    position: relative;
    color: var(--gray-light) !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
    transform: translateX(-50%);
}

.nav-link:hover,
.nav-link.active {
    color: var(--white) !important;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-auth-buttons,
.nav-user-menu {
    display: flex;
    align-items: center;
}

/* ===================================
   Hero секция
   =================================== */

.hero-section {
    position: relative;
    min-height: 100vh;
    padding: 120px 0 80px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg-animation {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
    top: -200px;
    right: -200px;
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(99, 102, 241, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99, 102, 241, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

.hero-content {
    position: relative;
    z-index: 1;
}

.badge {
    padding: 8px 16px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.875rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    color: var(--white);
}

.hero-title .text-primary {
    color: var(--primary) !important;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-lead {
    font-size: 1.25rem;
    color: var(--gray-light);
    margin-bottom: 30px;
    max-width: 500px;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 40px;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
}

.hero-feature i {
    color: var(--primary);
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 60px;
}

.btn {
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.5);
}

.btn-outline-light {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.2);
    color: var(--white);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--white);
}

.btn-lg {
    padding: 15px 35px;
    font-size: 1.1rem;
}

.hero-stats {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--white);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray);
}

.hero-visual {
    position: relative;
    z-index: 1;
}

.hero-image-container {
    position: relative;
    width: 100%;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-shield {
    width: 300px;
    height: 360px;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.hero-shield svg {
    width: 100%;
    height: 100%;
}

.floating-card {
    position: absolute;
    background: rgba(30, 41, 59, 0.9);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--border-radius);
    padding: 15px 25px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-lg);
    animation: floatCard 4s ease-in-out infinite;
}

.floating-card i {
    font-size: 1.5rem;
    color: var(--primary);
}

.floating-card span {
    font-weight: 600;
    color: var(--white);
}

.card-speed {
    top: 20%;
    left: 0;
    animation-delay: 0s;
}

.card-devices {
    top: 50%;
    right: 0;
    animation-delay: 1s;
}

.card-secure {
    bottom: 20%;
    left: 10%;
    animation-delay: 2s;
}

@keyframes floatCard {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--gray);
    font-size: 0.875rem;
    animation: bounce 2s ease-in-out infinite;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--gray);
    border-radius: 20px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--gray);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s ease-in-out infinite;
}

@keyframes scroll {
    0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
    50% { opacity: 0; transform: translateX(-50%) translateY(10px); }
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

/* ===================================
   Секции
   =================================== */

section {
    padding: 100px 0;
}

.section-header {
    margin-bottom: 60px;
}

.section-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 50px;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 15px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--white);
    margin-bottom: 15px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-light);
    max-width: 600px;
    margin: 0 auto;
}

/* ===================================
   Features секция
   =================================== */

.features-section {
    background: var(--dark-light);
}

.feature-card {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid rgba(99, 102, 241, 0.1);
    border-radius: var(--border-radius-lg);
    padding: 35px;
    height: 100%;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: var(--shadow-glow);
}

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--white);
    margin-bottom: 25px;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--gray-light);
    margin-bottom: 20px;
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--light);
    margin-bottom: 10px;
    font-size: 0.9rem;
}

.feature-list i {
    color: var(--success);
    font-size: 0.875rem;
}

.bg-purple {
    background: linear-gradient(135deg, var(--purple) 0%, #a78bfa 100%) !important;
}

/* ===================================
   Tariffs секция
   =================================== */

.tariffs-section {
    background: var(--dark);
}

.tariffs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.tariff-card {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid rgba(99, 102, 241, 0.1);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    position: relative;
    transition: var(--transition);
    overflow: hidden;
}

.tariff-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition);
}

.tariff-card:hover {
    transform: translateY(-10px);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: var(--shadow-glow);
}

.tariff-card:hover::before {
    opacity: 1;
}

.tariff-card.popular {
    border-color: var(--primary);
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.2);
}

.tariff-card.popular::before {
    opacity: 1;
}

.popular-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--gradient-primary);
    color: var(--white);
    padding: 5px 15px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.tariff-header {
    text-align: center;
    margin-bottom: 30px;
}

.tariff-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 10px;
}

.tariff-price {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tariff-price span {
    font-size: 1rem;
    color: var(--gray);
}

.tariff-period {
    color: var(--gray);
    font-size: 0.9rem;
    margin-top: 5px;
}

.tariff-features {
    list-style: none;
    margin-bottom: 30px;
}

.tariff-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid rgba(99, 102, 241, 0.1);
    color: var(--light);
}

.tariff-features li:last-child {
    border-bottom: none;
}

.tariff-features i {
    color: var(--success);
    font-size: 1.125rem;
}

.tariff-btn {
    width: 100%;
    justify-content: center;
}

.trial-banner {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2) 0%, rgba(14, 165, 233, 0.2) 100%);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    margin-top: 40px;
}

.trial-banner h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 10px;
}

.trial-banner h3 i {
    color: var(--primary);
}

.trial-banner p {
    color: var(--gray-light);
    margin: 0;
}

/* ===================================
   FAQ секция
   =================================== */

.faq-section {
    background: var(--dark-light);
}

.accordion {
    background: transparent;
}

.accordion-item {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid rgba(99, 102, 241, 0.1);
    margin-bottom: 15px;
    border-radius: var(--border-radius) !important;
    overflow: hidden;
}

.accordion-button {
    background: transparent;
    color: var(--white);
    font-weight: 600;
    padding: 20px 25px;
    border: none;
}

.accordion-button:not(.collapsed) {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    box-shadow: none;
}

.accordion-button:hover {
    background: rgba(99, 102, 241, 0.05);
}

.accordion-button::after {
    filter: invert(1);
}

.accordion-button:not(.collapsed)::after {
    filter: none;
}

.accordion-collapse {
    border-top: 1px solid rgba(99, 102, 241, 0.1);
}

.accordion-body {
    padding: 25px;
    color: var(--gray-light);
    line-height: 1.8;
}

/* ===================================
   Support секция
   =================================== */

.support-section {
    background: var(--dark);
}

.support-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.support-card {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid rgba(99, 102, 241, 0.1);
    border-radius: var(--border-radius-lg);
    padding: 35px;
    text-align: center;
    transition: var(--transition);
}

.support-card:hover {
    transform: translateY(-5px);
    border-color: rgba(99, 102, 241, 0.3);
}

.support-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
    margin: 0 auto 25px;
}

.support-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 15px;
}

.support-card p {
    color: var(--gray-light);
    margin-bottom: 25px;
}

/* ===================================
   CTA секция
   =================================== */

.cta-section {
    background: var(--gradient-primary);
    padding: 80px 0;
}

.cta-content {
    text-align: center;
}

.cta-content h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--white);
    margin-bottom: 15px;
}

.cta-content p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

/* ===================================
   Footer
   =================================== */

.footer {
    background: var(--dark-light);
    padding: 60px 0 30px;
    border-top: 1px solid rgba(99, 102, 241, 0.1);
}

.footer-brand {
    margin-bottom: 25px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 15px;
}

.footer-brand p {
    color: var(--gray-light);
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.25rem;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.footer h5 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 20px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--gray-light);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 5px;
}

.footer-contact {
    list-style: none;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--gray-light);
    margin-bottom: 15px;
}

.footer-contact i {
    color: var(--primary);
}

.footer-divider {
    border-color: rgba(99, 102, 241, 0.1);
    margin: 40px 0;
}

.footer-copyright {
    color: var(--gray);
    margin: 0;
}

.footer-legal {
    color: var(--gray);
    margin-left: 20px;
    font-size: 0.875rem;
}

.footer-legal:hover {
    color: var(--primary);
}

/* ===================================
   Адаптивность
   =================================== */

@media (max-width: 992px) {
    .hero-section {
        padding-top: 100px;
        text-align: center;
    }
    
    .hero-lead {
        margin: 0 auto 30px;
    }
    
    .hero-features {
        justify-content: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-visual {
        margin-top: 60px;
    }
    
    .hero-image-container {
        height: 400px;
    }
    
    .navbar-collapse {
        background: rgba(15, 23, 42, 0.98);
        padding: 20px;
        border-radius: var(--border-radius);
        margin-top: 15px;
    }
    
    .nav-auth-buttons,
    .nav-user-menu {
        flex-direction: column;
        width: 100%;
        margin-top: 20px;
    }
    
    .nav-auth-buttons .btn,
    .nav-user-menu .btn {
        width: 100%;
        margin: 5px 0;
    }
}

@media (max-width: 768px) {
    section {
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-lead {
        font-size: 1rem;
    }
    
    .stat-value {
        font-size: 1.5rem;
    }
    
    .tariffs-grid {
        grid-template-columns: 1fr;
    }
    
    .support-cards {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .footer {
        text-align: center;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .footer-contact li {
        justify-content: center;
    }
    
    .footer-legal {
        margin: 10px 0 0;
        display: block;
    }
}

@media (max-width: 576px) {
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .hero-stats {
        gap: 20px;
    }
    
    .floating-card {
        padding: 10px 15px;
        font-size: 0.875rem;
    }
    
    .floating-card i {
        font-size: 1.25rem;
    }
}

/* ===================================
   Toast Notifications
   =================================== */

.toast {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: var(--border-radius);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

.toast-body {
    color: #f1f5f9;
    font-weight: 500;
}

.toast.bg-success {
    background: linear-gradient(135deg, #065f46 0%, #047857 100%) !important;
    border-color: rgba(16, 185, 129, 0.4);
}

.toast.bg-danger {
    background: linear-gradient(135deg, #991b1b 0%, #dc2626 100%) !important;
    border-color: rgba(239, 68, 68, 0.4);
}

.toast.bg-warning {
    background: linear-gradient(135deg, #92400e 0%, #d97706 100%) !important;
    border-color: rgba(245, 158, 11, 0.4);
    color: #fef3c7;
}

.toast.bg-info {
    background: linear-gradient(135deg, #075985 0%, #0284c7 100%) !important;
    border-color: rgba(14, 165, 233, 0.4);
}

.toast .btn-close {
    filter: brightness(0) invert(1);
    opacity: 0.7;
}

.toast .btn-close:hover {
    opacity: 1;
}

/* ===================================
   Красивые Input
   =================================== */

.form-control,
.form-select {
    background: rgba(15, 23, 42, 0.6);
    border: 2px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--border-radius);
    padding: 14px 18px;
    color: var(--white);
    font-size: 1rem;
    transition: var(--transition);
    width: 100%;
}

.form-control::placeholder {
    color: var(--gray);
}

.form-control:focus,
.form-select:focus {
    background: rgba(15, 23, 42, 0.8);
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15);
    color: var(--white);
    outline: none;
}

.form-control.is-valid {
    border-color: var(--success);
}

.form-control.is-valid:focus {
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.15);
}

.form-control.is-invalid {
    border-color: var(--danger);
}

.form-control.is-invalid:focus {
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.15);
}

.form-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--light);
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.form-label i {
    color: var(--primary);
}

.form-text {
    color: var(--gray);
    font-size: 0.8rem;
    margin-top: 6px;
}

/* Input с иконкой */
.input-group {
    display: flex;
    gap: 0;
}

.input-group .form-control {
    border-radius: var(--border-radius) 0 0 var(--border-radius);
}

.input-group .btn {
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

/* ===================================
   Theme Toggle
   =================================== */

.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    color: var(--gray-light);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1.25rem;
}

.theme-toggle:hover {
    background: rgba(99, 102, 241, 0.2);
    color: var(--primary);
    border-color: var(--primary);
    transform: rotate(15deg);
}

body.light-theme .theme-toggle {
    color: var(--primary);
}

/* ===================================
   Скроллбар
   =================================== */

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--dark);
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* Выделение текста */
::selection {
    background: var(--primary);
    color: var(--white);
}