/**
 * DigiSatis - Ana CSS Dosyası
 * Tailwind CSS benzeri utility sınıfları + custom stiller
 */

/* =====================================================
   BASE RESET & VARIABLES
   ===================================================== */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #64748b;
    --success: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;
    
    --text: #1f2937;
    --text-muted: #6b7280;
    --bg: #f9fafb;
    --white: #ffffff;
    --border: #e5e7eb;
    
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'Fira Code', monospace;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--text);
    background-color: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

a:hover {
    text-decoration: underline;
}

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

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

.min-h-screen {
    min-height: 100vh;
}

/* Grid */
.grid {
    display: grid;
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid-cols-6 { grid-template-columns: repeat(6, 1fr); }

@media (min-width: 768px) {
    .md\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
    .md\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
    .md\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 1024px) {
    .lg\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
    .lg\:grid-cols-6 { grid-template-columns: repeat(6, 1fr); }
}

.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }

/* Flex */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-1 { flex: 1; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.flex-wrap { flex-wrap: wrap; }
.space-x-2 > * + * { margin-left: 0.5rem; }
.space-x-4 > * + * { margin-left: 1rem; }
.space-x-6 > * + * { margin-left: 1.5rem; }
.space-y-2 > * + * { margin-top: 0.5rem; }
.space-y-3 > * + * { margin-top: 0.75rem; }

/* =====================================================
   SPACING
   ===================================================== */
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-8 { padding-left: 2rem; padding-right: 2rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }
.py-12 { padding-top: 3rem; padding-bottom: 3rem; }
.py-20 { padding-top: 5rem; padding-bottom: 5rem; }
.pb-2 { padding-bottom: 0.5rem; }
.pb-3 { padding-bottom: 0.75rem; }

.m-0 { margin: 0; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-12 { margin-bottom: 3rem; }
.ml-2 { margin-left: 0.5rem; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* =====================================================
   TYPOGRAPHY
   ===================================================== */
.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 1.875rem; }
.text-4xl { font-size: 2.25rem; }

@media (min-width: 768px) {
    .md\:text-6xl { font-size: 3.75rem; }
}

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.text-center { text-align: center; }
.text-left { text-align: left; }

.text-white { color: #ffffff; }
.text-gray-400 { color: #9ca3af; }
.text-gray-500 { color: #6b7280; }
.text-gray-600 { color: #4b5563; }
.text-blue-100 { color: #dbeafe; }
.text-blue-600 { color: #2563eb; }
.text-green-500 { color: #22c55e; }
.text-green-600 { color: #16a34a; }
.text-red-500 { color: #ef4444; }
.text-red-600 { color: #dc2626; }
.text-orange-600 { color: #ea580c; }
.text-purple-600 { color: #9333ea; }

/* =====================================================
   BACKGROUNDS & BORDERS
   ===================================================== */
.bg-white { background-color: #ffffff; }
.bg-gray-50 { background-color: #f9fafb; }
.bg-gray-100 { background-color: #f3f4f6; }
.bg-gray-900 { background-color: #111827; }
.bg-red-50 { background-color: #fef2f2; }
.bg-blue-50 { background-color: #eff6ff; }
.bg-blue-100 { background-color: #dbeafe; }
.bg-blue-600 { background-color: #2563eb; }
.bg-yellow-500 { background-color: #eab308; }
.bg-gradient-to-r { background: linear-gradient(to right, var(--tw-gradient-stops)); }
.from-blue-600 { --tw-gradient-from: #2563eb; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to); }
.to-purple-600 { --tw-gradient-to: #9333ea; }

.rounded { border-radius: 0.25rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-full { border-radius: 9999px; }
.rounded-l-lg { border-top-left-radius: 0.5rem; border-bottom-left-radius: 0.5rem; }
.rounded-r-lg { border-top-right-radius: 0.5rem; border-bottom-right-radius: 0.5rem; }

.border { border: 1px solid var(--border); }
.border-b { border-bottom: 1px solid var(--border); }
.border-t { border-top: 1px solid var(--border); }
.border-gray-700 { border-color: #374151; }

.shadow { box-shadow: 0 1px 3px rgba(0,0,0,0.1); }
.shadow-lg { box-shadow: 0 10px 15px rgba(0,0,0,0.1); }
.hover\:shadow-lg:hover { box-shadow: 0 10px 15px rgba(0,0,0,0.1); }

/* =====================================================
   BUTTONS
   ===================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.625rem 1.25rem;
    font-weight: 500;
    border-radius: 0.375rem;
    transition: all 0.15s;
    cursor: pointer;
    border: none;
    text-decoration: none;
}

.btn:hover {
    text-decoration: none;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
}

.btn-secondary {
    background-color: var(--secondary);
    color: white;
}

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

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

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
}

.w-full { width: 100%; }

/* =====================================================
   FORMS
   ===================================================== */
.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text);
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: 0.375rem;
    font-size: 1rem;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-checkbox {
    width: 1rem;
    height: 1rem;
    border-radius: 0.25rem;
}

.error-message {
    display: block;
    margin-top: 0.25rem;
    color: var(--danger);
    font-size: 0.875rem;
}

/* =====================================================
   ALERTS
   ===================================================== */
.alert {
    padding: 1rem;
    border-radius: 0.375rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.alert-success {
    background-color: #dcfce7;
    color: #166534;
}

.alert-error {
    background-color: #fef2f2;
    color: #dc2626;
}

.alert-warning {
    background-color: #fef3c7;
    color: #d97706;
}

.alert-info {
    background-color: #dbeafe;
    color: #1d4ed8;
}

.alert-close {
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0.5;
}

.alert-close:hover {
    opacity: 1;
}

/* =====================================================
   STATUS BADGES
   ===================================================== */
.status-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

.status-pending {
    background-color: #fef3c7;
    color: #d97706;
}

.status-processing {
    background-color: #dbeafe;
    color: #1d4ed8;
}

.status-completed {
    background-color: #dcfce7;
    color: #166534;
}

.status-cancelled, .status-failed {
    background-color: #fef2f2;
    color: #dc2626;
}

.status-refunded {
    background-color: #f3f4f6;
    color: #6b7280;
}

/* =====================================================
   HEADER
   ===================================================== */
.header {
    background-color: var(--white);
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-link {
    color: var(--text);
    font-weight: 500;
    padding: 0.5rem 0;
}

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

.search-box {
    display: flex;
    align-items: center;
}

.search-input {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border);
    border-right: none;
    border-radius: 0.375rem 0 0 0.375rem;
    width: 200px;
}

.search-btn {
    padding: 0.5rem 1rem;
    background-color: var(--primary);
    border: none;
    border-radius: 0 0.375rem 0.375rem 0;
    cursor: pointer;
}

.cart-link {
    position: relative;
    font-size: 1.5rem;
}

.cart-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background-color: var(--danger);
    color: white;
    font-size: 0.625rem;
    padding: 0.125rem 0.375rem;
    border-radius: 9999px;
}

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 200px;
    background-color: var(--white);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    box-shadow: 0 10px 15px rgba(0,0,0,0.1);
    display: none;
    z-index: 50;
}

.dropdown:hover .dropdown-menu {
    display: block;
}

.dropdown-item {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--text);
}

.dropdown-item:hover {
    background-color: var(--bg);
    text-decoration: none;
}

/* =====================================================
   PRODUCT CARD
   ===================================================== */
.product-card {
    transition: transform 0.2s, box-shadow 0.2s;
}

.product-card:hover {
    transform: translateY(-4px);
}

/* =====================================================
   RESPONSIVE
   ===================================================== */
.hidden { display: none; }

@media (min-width: 768px) {
    .md\:flex { display: flex; }
    .md\:block { display: block; }
    .md\:hidden { display: none; }
    .md\:mt-0 { margin-top: 0; }
}

@media (min-width: 1024px) {
    .lg\:col-span-1 { grid-column: span 1; }
    .lg\:col-span-2 { grid-column: span 2; }
    .lg\:col-span-3 { grid-column: span 3; }
    .lg\:col-span-4 { grid-column: span 4; }
}

/* =====================================================
   UTILITIES
   ===================================================== */
.overflow-hidden { overflow: hidden; }
.overflow-x-auto { overflow-x: auto; }
.relative { position: relative; }
.transition { transition: all 0.15s ease; }
.inline { display: inline; }
.block { display: block; }
.inline-block { display: inline-block; }

.h-8 { height: 2rem; }
.h-10 { height: 2.5rem; }
.h-12 { height: 3rem; }
.h-48 { height: 12rem; }
.w-12 { width: 3rem; }
.w-20 { width: 5rem; }
.max-w-xl { max-width: 36rem; }
.object-cover { object-fit: cover; }

hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 0.5rem 0;
}

/* Divider */
.divider {
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--border);
}

.divider::before {
    margin-right: 1rem;
}

.divider::after {
    margin-left: 1rem;
}