/* 
 * Base styles - Общие стили для всего приложения
 * CrystalZakaz.ru - Современный фиолетовый дизайн 2025
 */

/* ============================================
   CSS VARIABLES - Цветовая палитра 2025
   ============================================ */
:root {
    /* 🎨 Фиолетовая палитра 2025 - как на странице логина */
    --primary: #667eea;          /* Синий-фиолетовый (основной) */
    --primary-dark: #764ba2;     /* Темный фиолетовый */
    --primary-light: #8b9eff;    /* Светлый синий-фиолетовый */
    --primary-lighter: #e0e7ff;  /* Очень светлый */
    --primary-lightest: #f0f4ff; /* Максимально светлый */
    
    /* Акцентные цвета */
    --accent: #EC4899;           /* Розовый акцент */
    --success: #10B981;          /* Зеленый */
    --warning: #F59E0B;          /* Оранжевый */
    --error: #EF4444;            /* Красный */
    
    /* Нейтральные */
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    
    /* 🎨 Градиенты 2025 - Современные плавные переходы */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-accent: linear-gradient(135deg, #EC4899 0%, #667eea 100%);
    --gradient-light: linear-gradient(135deg, #8b9eff 0%, #a78bfa 100%);
    
    /* 🌟 Тени - Soft UI (Неоморфизм) */
    --shadow-sm: 0 2px 4px rgba(102, 126, 234, 0.06);
    --shadow-md: 0 4px 12px rgba(102, 126, 234, 0.1);
    --shadow-lg: 0 10px 30px rgba(102, 126, 234, 0.15);
    --shadow-xl: 0 20px 60px rgba(102, 126, 234, 0.2);
    --shadow-inner: inset 0 2px 4px rgba(102, 126, 234, 0.06);
}

/* ============================================
   RESET & BASE
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    height: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--gray-50);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--gray-900);
    letter-spacing: -0.02em;
}

h1 { font-size: 2.5rem; font-weight: 700; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

p {
    margin-bottom: 1rem;
    color: var(--gray-600);
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: var(--primary-dark);
}

/* ============================================
   LAYOUT
   ============================================ */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.container-sm {
    max-width: 600px;
}

.container-md {
    max-width: 900px;
}

/* ============================================
   BUTTONS - Современный дизайн с градиентами
   ============================================ */
.btn {
    display: inline-block;
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border: none;
    border-radius: 0.75rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    box-shadow: var(--shadow-md);
    min-height: 48px; /* Touch-friendly */
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #ffffff;
    border: none;
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-secondary {
    background: #ffffff;
    color: var(--primary);
    border: 2px solid var(--primary-lighter);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--primary-lighter);
    border-color: var(--primary);
}

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

.btn-outline:hover:not(:disabled) {
    background: var(--primary);
    color: #ffffff;
}

.btn-full {
    width: 100%;
}

/* ============================================
   FORMS - Современный дизайн с фокусом
   ============================================ */
.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
    letter-spacing: 0.01em;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="tel"],
input[type="date"],
input[type="time"],
select,
textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    font-family: inherit;
    border: 2px solid var(--gray-200);
    border-radius: 0.75rem;
    background: #ffffff;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    min-height: 48px; /* Touch-friendly */
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-lighter);
    background: #ffffff;
}

input::placeholder,
textarea::placeholder {
    color: var(--gray-400);
}

/* ============================================
   ALERTS & MESSAGES - Современный дизайн
   ============================================ */
.alert {
    padding: 1rem 1.25rem;
    border-radius: 0.75rem;
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-left: 4px solid;
    box-shadow: var(--shadow-sm);
}

.alert-error {
    background: #FEF2F2;
    color: #991B1B;
    border-left-color: var(--error);
}

.alert-success {
    background: #F0FDF4;
    color: #166534;
    border-left-color: var(--success);
}

.alert-info {
    background: #F5F3FF;
    color: var(--primary-dark);
    border-left-color: var(--primary);
}

.alert-warning {
    background: #FFFBEB;
    color: #92400E;
    border-left-color: var(--warning);
}

/* ============================================
   CARDS - Современный дизайн с тенями
   ============================================ */
.card {
    background: #ffffff;
    border: 1px solid var(--gray-100);
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.card-header {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--gray-100);
    color: var(--gray-900);
}

/* ============================================
   UTILITIES
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }

.text-gray { color: #6B7280; }
.text-black { color: #000000; }
.text-white { color: #ffffff; }

.font-light { font-weight: 300; }
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-bold { font-weight: 700; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-8 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-8 { margin-bottom: 2rem; }

.p-4 { padding: 1rem; }
.p-8 { padding: 2rem; }

/* ============================================
   LAYOUT UTILITIES - для base.html
   ============================================ */
/* Flex */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-1 { flex: 1; }
.flex-shrink-0 { flex-shrink: 0; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.space-x-8 > * + * { margin-left: 2rem; }

/* Heights & Widths */
.h-full { height: 100%; }
.min-h-full { min-height: 100%; }
.h-5 { height: 1.25rem; }
.w-5 { width: 1.25rem; }
.h-6 { height: 1.5rem; }
.w-6 { width: 1.5rem; }
.h-8 { height: 2rem; }
.w-8 { width: 2rem; }
.h-16 { height: 4rem; }
.w-48 { width: 12rem; }
.w-full { width: 100%; }

/* Max widths */
.max-w-7xl { max-width: 80rem; margin-left: auto; margin-right: auto; }

/* Margins & Padding */
.mx-auto { margin-left: auto; margin-right: auto; }
.mx-2 { margin-left: 0.5rem; margin-right: 0.5rem; }
.ml-3 { margin-left: 0.75rem; }
.mt-1 { margin-top: 0.25rem; }
.mt-4 { margin-top: 1rem; }
.mt-48 { margin-top: 12rem; }
.mt-auto { margin-top: auto; }
.mb-4 { margin-bottom: 1rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }

/* Backgrounds */
.bg-white { background-color: #ffffff; }
.bg-primary-100 { background-color: var(--primary-lighter); }
.bg-primary-600 { background-color: var(--primary); }
.bg-red-50 { background-color: #FEF2F2; }
.bg-green-50 { background-color: #F0FDF4; }
.bg-yellow-50 { background-color: #FFFBEB; }
.bg-blue-50 { background-color: #EFF6FF; }
.bg-gray-100 { background-color: var(--gray-100); }

/* Text colors */
.text-gray-500 { color: var(--gray-500); }
.text-gray-600 { color: var(--gray-600); }
.text-gray-700 { color: var(--gray-700); }
.text-primary-600 { color: var(--primary); }
.text-primary-700 { color: var(--primary-dark); }
.text-red-800 { color: #991B1B; }
.text-green-800 { color: #166534; }
.text-yellow-800 { color: #92400E; }
.text-blue-800 { color: #1E40AF; }
.text-white { color: #ffffff; }

/* Borders */
.border-t { border-top: 1px solid var(--gray-200); }
.border-b { border-bottom: 1px solid var(--gray-200); }
.border-gray-200 { border-color: var(--gray-200); }

/* Border radius */
.rounded-full { border-radius: 9999px; }
.rounded-md { border-radius: 0.375rem; }
.rounded-lg { border-radius: 0.5rem; }

/* Shadows */
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-lg { box-shadow: var(--shadow-lg); }

/* Positioning */
.sticky { position: sticky; }
.fixed { position: fixed; }
.absolute { position: absolute; }
.relative { position: relative; }
.top-0 { top: 0; }
.top-4 { top: 1rem; }
.right-4 { right: 1rem; }
.z-50 { z-index: 50; }

/* Display */
.block { display: block; }
.hidden { display: none; }
.inline-block { display: inline-block; }

/* Text utilities */
.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-2xl { font-size: 1.5rem; }
.font-light { font-weight: 300; }
.font-medium { font-weight: 500; }
.font-bold { font-weight: 700; }

/* Opacity */
.opacity-25 { opacity: 0.25; }
.opacity-75 { opacity: 0.75; }

/* Ring */
.ring-1 { box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.05); }
.ring-2 { box-shadow: 0 0 0 2px rgba(124, 58, 237, 0.5); }
.focus\:ring-2:focus { box-shadow: 0 0 0 2px rgba(124, 58, 237, 0.5); }
.focus\:ring-primary-500:focus { box-shadow: 0 0 0 2px rgba(124, 58, 237, 0.5); }
.ring-black { --tw-ring-color: rgba(0, 0, 0, 0.05); }
.ring-opacity-5 { --tw-ring-opacity: 0.05; }

/* Focus */
.focus\:outline-none:focus { outline: none; }

/* Hover states */
.hover\:text-primary-600:hover { color: var(--primary); }
.hover\:text-primary-700:hover { color: var(--primary-dark); }
.hover\:bg-gray-100:hover { background-color: var(--gray-100); }

/* Animation */
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}
.animate-spin { animation: spin 1s linear infinite; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (min-width: 768px) {
    .md\:flex { display: flex; }
    .md\:hidden { display: none; }
    .sm\:px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
    .lg\:px-8 { padding-left: 2rem; padding-right: 2rem; }
}

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
    
    .container {
        padding: 0 0.75rem;
    }
    
    .md\:flex { display: none; }
    .md\:hidden { display: block; }
}