/**
 * 🎨 ServicePrint - Современный стиль интерфейса
 * Единое оформление в стиле как на скриншоте
 */

/* ===== ЦВЕТОВАЯ СХЕМА ===== */
:root {
    /* Градиенты как на скриншоте */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    --gradient-accent: linear-gradient(135deg, #ff9a9e 0%, #fecfef 100%);
    
    /* Основные цвета */
    --primary-blue: #667eea;
    --primary-purple: #764ba2;
    --white: #ffffff;
    --text-dark: #2d3748;
    --text-muted: #718096;
    --text-light: rgba(255, 255, 255, 0.9);
    
    /* Тени */
    --shadow-card: 0 15px 35px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 25px 50px rgba(102, 126, 234, 0.3);
    --shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.06);
    
    /* Радиусы */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    
    /* Переходы */
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* ===== ОБЩИЕ СТИЛИ ===== */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    background: var(--gradient-primary);
    min-height: 100vh;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

/* ===== ОСНОВНЫЕ КОНТЕЙНЕРЫ ===== */
.auth-page,
.main-page {
    background: var(--gradient-primary);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
}

.auth-page::before,
.main-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

/* ===== КАРТОЧКИ ===== */
.service-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

/* ===== ЛОГОТИП И ЗАГОЛОВКИ ===== */
.service-logo {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.service-title {
    color: var(--text-dark);
    font-size: 1.5rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 2rem;
}

.service-subtitle {
    color: var(--text-muted);
    text-align: center;
    font-size: 1rem;
    margin-bottom: 2rem;
}

/* ===== ВАРИАНТЫ ВХОДА ===== */
.login-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.login-option {
    background: white;
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    text-decoration: none;
    color: var(--text-dark);
    transition: var(--transition-smooth);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.login-option::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-smooth);
    z-index: 0;
}

.login-option:hover::before {
    opacity: 0.05;
}

.login-option:hover {
    transform: translateY(-8px);
    border-color: var(--primary-blue);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.2);
    text-decoration: none;
    color: var(--text-dark);
}

.login-option * {
    position: relative;
    z-index: 1;
}

.login-icon {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-xl);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: var(--transition-bounce);
}

.login-option:hover .login-icon {
    transform: scale(1.1) rotate(5deg);
}

.login-icon i {
    font-size: 2rem;
    color: white;
}

.login-option h5 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.login-option p {
    color: var(--text-muted);
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* ===== ФОРМЫ ===== */
.service-form {
    padding: 2rem;
}

.form-floating {
    position: relative;
    margin-bottom: 1.5rem;
}

.form-floating .form-control {
    background: rgba(248, 250, 252, 0.8);
    border: 2px solid rgba(226, 232, 240, 0.8);
    border-radius: var(--radius-md);
    padding: 1.75rem 1rem 0.5rem 3rem;
    font-size: 1rem;
    transition: var(--transition-smooth);
    position: relative;
    height: auto;
    min-height: 58px;
}

.form-floating .form-control:focus {
    background: white;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    outline: none;
}

.form-floating .input-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    z-index: 5;
    transition: var(--transition-smooth);
}

.form-floating .form-control:focus + .input-icon {
    color: var(--primary-blue);
}

.form-floating label {
    position: absolute;
    left: 3rem;
    top: 0.5rem;
    color: var(--text-muted);
    font-size: 0.875rem;
    transition: var(--transition-smooth);
    background: transparent;
    padding: 0;
    z-index: 4;
    pointer-events: none;
}

/* Состояние когда поле пустое - label в центре */
.form-floating .form-control:not(:focus):placeholder-shown + .input-icon + label,
.form-floating .form-control[value=""] + .input-icon + label {
    top: 50%;
    transform: translateY(-50%);
    font-size: 1rem;
    left: 3rem;
}

/* Состояние когда поле в фокусе или заполнено - label вверху */
.form-floating .form-control:focus + .input-icon + label,
.form-floating .form-control:not([value=""]) + .input-icon + label {
    top: 0.5rem;
    transform: none;
    font-size: 0.875rem;
    color: var(--primary-blue);
}

/* Альтернативный способ для проверки заполненности */
.form-floating .form-control:valid + .input-icon + label {
    top: 0.5rem;
    transform: none;
    font-size: 0.875rem;
}

/* ===== КНОПКИ ===== */
.btn-service {
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-md);
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    color: white;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-service::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition-smooth);
}

.btn-service:hover::before {
    left: 100%;
}

.btn-service:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
    color: white;
    text-decoration: none;
}

.btn-service:active {
    transform: translateY(0);
}

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

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

/* ===== УВЕДОМЛЕНИЯ ===== */
.alert-service {
    border-radius: var(--radius-md);
    border: none;
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
}

.alert-service.alert-danger {
    background: linear-gradient(135deg, #fee7e7 0%, #fecaca 100%);
    color: #dc2626;
}

.alert-service.alert-success {
    background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
    color: #059669;
}

.alert-service.alert-warning {
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
    color: #d97706;
}

.alert-service.alert-info {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    color: #2563eb;
}

/* ===== ССЫЛКИ ===== */
.service-link {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.service-link:hover {
    color: var(--primary-purple);
    text-decoration: none;
}

/* ===== БЕЗОПАСНОСТЬ ===== */
.security-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.05);
    border-radius: var(--radius-md);
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ===== АДАПТИВНОСТЬ ===== */
@media (max-width: 768px) {
    .auth-page,
    .main-page {
        padding: 1rem;
    }
    
    .service-card {
        margin: 0;
        border-radius: var(--radius-lg);
    }
    
    .service-form {
        padding: 1.5rem;
    }
    
    .login-options {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .login-option {
        padding: 2rem 1.5rem;
    }
    
    .login-icon {
        width: 60px;
        height: 60px;
    }
    
    .login-icon i {
        font-size: 1.5rem;
    }
    
    .service-logo {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .service-form {
        padding: 1rem;
    }
    
    .login-option {
        padding: 1.5rem 1rem;
    }
}

/* ===== АНИМАЦИИ ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.service-card {
    animation: fadeInUp 0.6s ease-out;
}

.login-option:nth-child(1) {
    animation: fadeInUp 0.6s ease-out 0.1s both;
}

.login-option:nth-child(2) {
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

/* ===== ДОПОЛНИТЕЛЬНЫЕ КЛАССЫ ===== */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-blur {
    backdrop-filter: blur(20px);
    background: rgba(255, 255, 255, 0.1);
}

.glass-effect {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* ===== ДОПОЛНИТЕЛЬНЫЕ СТИЛИ ДЛЯ BOOTSTRAP СОВМЕСТИМОСТИ ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -0.5rem;
}

.col-12, .col-md-10, .col-lg-8, .col-xl-6 {
    padding: 0 0.5rem;
}

.col-12 { flex: 0 0 100%; max-width: 100%; }

@media (min-width: 768px) {
    .col-md-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
}

@media (min-width: 992px) {
    .col-lg-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
}

@media (min-width: 1200px) {
    .col-xl-6 { flex: 0 0 50%; max-width: 50%; }
}

.justify-content-center {
    justify-content: center;
}

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

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

.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 3rem; }
.mt-4 { margin-top: 1.5rem; }
.my-4 { margin-top: 1.5rem; margin-bottom: 1.5rem; }

.d-grid {
    display: grid;
}

.w-100 {
    width: 100%;
}

/* ===== УЛУЧШЕНИЯ ДЛЯ CHECKBOX ===== */
.form-check {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.form-check-input {
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--text-muted);
    border-radius: 4px;
    background: white;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.form-check-input:checked {
    background: var(--primary-blue);
    border-color: var(--primary-blue);
}

.form-check-input:checked::before {
    content: '✓';
    color: white;
    font-size: 0.875rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

.form-check-label {
    cursor: pointer;
    font-size: 0.9rem;
    user-select: none;
}

/* ===== УЛУЧШЕНИЯ ДЛЯ HR ===== */
hr {
    border: none;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(113, 128, 150, 0.2), transparent);
    margin: 1.5rem 0;
}

/* ===== ДОПОЛНИТЕЛЬНЫЕ АНИМАЦИИ ===== */
.service-card {
    animation: fadeInUp 0.6s ease-out;
}

.login-option:nth-child(1) {
    animation: fadeInUp 0.6s ease-out 0.1s both;
}

.login-option:nth-child(2) {
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

/* ===== УЛУЧШЕНИЯ ДЛЯ МОБИЛЬНЫХ УСТРОЙСТВ ===== */
@media (max-width: 480px) {
    .container {
        padding: 0 0.5rem;
    }
    
    .service-form {
        padding: 1rem;
    }
    
    .login-option {
        padding: 1.5rem 1rem;
    }
    
    .service-logo {
        font-size: 1.75rem;
    }
    
    .service-title {
        font-size: 1.25rem;
    }
}