/**
 * POS Web - Theme CSS
 * Tema değişkenleri, renk paleti, font ayarları
 */

/* ==========================================
   CSS CUSTOM PROPERTIES (Variables)
   ========================================== */
:root {
    /* Ana Renkler - Lacivert & Mavi Tonları */
    --primary-50: #eef4ff;
    --primary-100: #d9e6ff;
    --primary-200: #bcd3ff;
    --primary-300: #8eb8ff;
    --primary-400: #5996ff;
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --primary-700: #1d4ed8;
    --primary-800: #1e40af;
    --primary-900: #1e3a5f;
    --primary-950: #172554;

    /* Gri Tonları */
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;

    /* Başarı / Success */
    --success-50: #f0fdf4;
    --success-100: #dcfce7;
    --success-200: #bbf7d0;
    --success-300: #86efac;
    --success-400: #4ade80;
    --success-500: #22c55e;
    --success-600: #16a34a;
    --success-700: #15803d;

    /* Uyarı / Warning */
    --warning-50: #fffbeb;
    --warning-100: #fef3c7;
    --warning-200: #fde68a;
    --warning-300: #fcd34d;
    --warning-400: #fbbf24;
    --warning-500: #f59e0b;
    --warning-600: #d97706;

    /* Tehlike / Danger */
    --danger-50: #fef2f2;
    --danger-100: #fee2e2;
    --danger-200: #fecaca;
    --danger-300: #fca5a5;
    --danger-400: #f87171;
    --danger-500: #ef4444;
    --danger-600: #dc2626;
    --danger-700: #b91c1c;

    /* Bilgi / Info */
    --info-50: #eff6ff;
    --info-100: #dbeafe;
    --info-500: #3b82f6;
    --info-600: #2563eb;

    /* Mor / Purple */
    --purple-500: #a855f7;
    --purple-600: #9333ea;

    /* Turkuaz / Cyan */
    --cyan-500: #06b6d4;
    --cyan-600: #0891b2;

    /* Ana Tema Renkleri */
    --color-primary: var(--primary-600);
    --color-primary-hover: var(--primary-700);
    --color-primary-light: var(--primary-50);

    --color-success: var(--success-500);
    --color-success-hover: var(--success-600);
    --color-success-light: var(--success-50);

    --color-warning: var(--warning-500);
    --color-warning-hover: var(--warning-600);
    --color-warning-light: var(--warning-50);

    --color-danger: var(--danger-500);
    --color-danger-hover: var(--danger-600);
    --color-danger-light: var(--danger-50);

    --color-info: var(--info-500);

    /* Arka Plan Renkleri */
    --bg-primary: #ffffff;
    --bg-secondary: var(--gray-50);
    --bg-tertiary: var(--gray-100);
    --bg-dark: var(--gray-900);

    /* Yazı Renkleri */
    --text-primary: var(--gray-900);
    --text-secondary: var(--gray-600);
    --text-tertiary: var(--gray-400);
    --text-muted: var(--gray-400);
    --text-inverse: #ffffff;

    /* Kenarlık Renkleri */
    --border-color: var(--gray-200);
    --border-color-hover: var(--gray-300);
    --border-color-focus: var(--primary-400);

    /* Gölge (Shadow) */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
    --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.3);

    /* Cam Efekti (Glass Effect) */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-bg-hover: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.3);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    --glass-blur: blur(12px);

    /* Yazı Tipi */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;

    /* Font Boyutları */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;

    /* Font Ağırlıkları */
    --font-light: 300;
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;

    /* Satır Yüksekliği */
    --leading-tight: 1.25;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;

    /* Boşluk (Spacing) */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;

    /* Kenar Yuvarlaklığı */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.25rem;
    --radius-full: 9999px;

    /* Geçiş Süreleri */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);

    /* Z-Index Değerleri */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-popover: 600;
    --z-tooltip: 700;
    --z-toast: 800;

    /* Layout Değerleri */
    --navbar-height: 64px;
    --sidebar-width: 260px;
    --sidebar-collapsed: 64px;
    --footer-height: 0px;
}

/* ==========================================
   DARK MODE (Opsiyonel - gelecekte kullanılabilir)
   ========================================== */
[data-theme="dark"] {
    --bg-primary: var(--gray-900);
    --bg-secondary: var(--gray-800);
    --bg-tertiary: var(--gray-700);
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-tertiary: #94a3b8;
    --border-color: var(--gray-700);
    --glass-bg: rgba(15, 23, 42, 0.7);
    --glass-bg-hover: rgba(15, 23, 42, 0.85);
    --glass-border: rgba(255, 255, 255, 0.1);
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    font-weight: var(--font-normal);
    line-height: var(--leading-normal);
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Seçim Rengi */
::selection {
    background-color: var(--primary-200);
    color: var(--primary-900);
}

/* Scrollbar Stili */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

/* Placeholder Rengi */
::placeholder {
    color: var(--text-tertiary);
    opacity: 1;
}

/* Odaklanma Stili */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Link Stili */
a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

/* Buton Reset */
button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
    font-size: inherit;
    color: inherit;
}

button:disabled {
    cursor: not-allowed;
    opacity: 0.6;
}

/* Input Reset */
input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* Resim Reset */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Liste Reset */
ul, ol {
    list-style: none;
}

/* Tablo Reset */
table {
    border-collapse: collapse;
    width: 100%;
}

/* ==========================================
   UTILITY CLASSES
   ========================================== */

/* Görünürlük */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.hidden {
    display: none !important;
}

.invisible {
    visibility: hidden;
}

/* Yazı Renkleri */
.text-primary { color: var(--color-primary) !important; }
.text-success { color: var(--color-success) !important; }
.text-warning { color: var(--color-warning) !important; }
.text-danger { color: var(--color-danger) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-secondary { color: var(--text-secondary) !important; }

/* Arka Plan Renkleri */
.bg-primary { background-color: var(--color-primary) !important; }
.bg-success { background-color: var(--color-success) !important; }
.bg-warning { background-color: var(--color-warning) !important; }
.bg-danger { background-color: var(--color-danger) !important; }
.bg-light { background-color: var(--bg-secondary) !important; }

/* Yazı Ağırlığı */
.font-light { font-weight: var(--font-light) !important; }
.font-normal { font-weight: var(--font-normal) !important; }
.font-medium { font-weight: var(--font-medium) !important; }
.font-semibold { font-weight: var(--font-semibold) !important; }
.font-bold { font-weight: var(--font-bold) !important; }

/* Yazı Boyutu */
.text-xs { font-size: var(--text-xs) !important; }
.text-sm { font-size: var(--text-sm) !important; }
.text-base { font-size: var(--text-base) !important; }
.text-lg { font-size: var(--text-lg) !important; }
.text-xl { font-size: var(--text-xl) !important; }
.text-2xl { font-size: var(--text-2xl) !important; }

/* Boşluklar */
.m-0 { margin: 0 !important; }
.mt-1 { margin-top: var(--space-1) !important; }
.mt-2 { margin-top: var(--space-2) !important; }
.mt-3 { margin-top: var(--space-3) !important; }
.mt-4 { margin-top: var(--space-4) !important; }
.mb-1 { margin-bottom: var(--space-1) !important; }
.mb-2 { margin-bottom: var(--space-2) !important; }
.mb-3 { margin-bottom: var(--space-3) !important; }
.mb-4 { margin-bottom: var(--space-4) !important; }
.ml-auto { margin-left: auto !important; }
.mr-auto { margin-right: auto !important; }

.p-0 { padding: 0 !important; }
.p-2 { padding: var(--space-2) !important; }
.p-3 { padding: var(--space-3) !important; }
.p-4 { padding: var(--space-4) !important; }

/* Flex */
.d-flex { display: flex !important; }
.d-block { display: block !important; }
.d-inline { display: inline !important; }
.d-inline-block { display: inline-block !important; }
.d-none { display: none !important; }

.flex-row { flex-direction: row !important; }
.flex-column { flex-direction: column !important; }
.flex-wrap { flex-wrap: wrap !important; }
.flex-nowrap { flex-wrap: nowrap !important; }
.flex-1 { flex: 1 !important; }

.justify-start { justify-content: flex-start !important; }
.justify-center { justify-content: center !important; }
.justify-end { justify-content: flex-end !important; }
.justify-between { justify-content: space-between !important; }

.align-start { align-items: flex-start !important; }
.align-center { align-items: center !important; }
.align-end { align-items: flex-end !important; }

.gap-1 { gap: var(--space-1) !important; }
.gap-2 { gap: var(--space-2) !important; }
.gap-3 { gap: var(--space-3) !important; }
.gap-4 { gap: var(--space-4) !important; }

/* Width / Height */
.w-100 { width: 100% !important; }
.h-100 { height: 100% !important; }

/* Pozisyon */
.position-relative { position: relative !important; }
.position-absolute { position: absolute !important; }
.position-fixed { position: fixed !important; }
.position-sticky { position: sticky !important; }

/* Taşma */
.overflow-hidden { overflow: hidden !important; }
.overflow-auto { overflow: auto !important; }
.overflow-x-auto { overflow-x: auto !important; }
.overflow-y-auto { overflow-y: auto !important; }

/* Metin */
.text-center { text-align: center !important; }
.text-left { text-align: left !important; }
.text-right { text-align: right !important; }
.text-truncate {
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    white-space: nowrap !important;
}
.text-wrap { white-space: normal !important; }
.text-nowrap { white-space: nowrap !important; }

/* Yuvarlaklık */
.rounded-sm { border-radius: var(--radius-sm) !important; }
.rounded-md { border-radius: var(--radius-md) !important; }
.rounded-lg { border-radius: var(--radius-lg) !important; }
.rounded-xl { border-radius: var(--radius-xl) !important; }
.rounded-full { border-radius: var(--radius-full) !important; }

/* Gölgeler */
.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow-md { box-shadow: var(--shadow-md) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }

/* Cursor */
.cursor-pointer { cursor: pointer !important; }
.cursor-default { cursor: default !important; }

/* Animasyonlar */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeOut {
    from { opacity: 1; transform: translateY(0); }
    to { opacity: 0; transform: translateY(-10px); }
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(100%); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-100%); }
    to { opacity: 1; transform: translateX(0); }
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

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

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

.animate-fadeIn { animation: fadeIn var(--transition-base) ease-out; }
.animate-slideInRight { animation: slideInRight var(--transition-base) ease-out; }
.animate-slideInLeft { animation: slideInLeft var(--transition-base) ease-out; }
.animate-slideInUp { animation: slideInUp var(--transition-base) ease-out; }
.animate-scaleIn { animation: scaleIn var(--transition-base) ease-out; }
.animate-pulse { animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite; }
.animate-spin { animation: spin 1s linear infinite; }
.animate-bounce { animation: bounce 1s infinite; }
.animate-shake { animation: shake 0.5s ease-in-out; }

/* Geçiş Animasyonları */
.transition-all {
    transition: all var(--transition-base);
}

.transition-transform {
    transition: transform var(--transition-base);
}

.transition-opacity {
    transition: opacity var(--transition-base);
}

.transition-colors {
    transition: background-color var(--transition-fast),
                border-color var(--transition-fast),
                color var(--transition-fast);
}

/* Cam Efekti */
.glass {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
}

.glass-dark {
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-inverse);
}

/* 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-5 { grid-template-columns: repeat(5, 1fr); }
.grid-cols-6 { grid-template-columns: repeat(6, 1fr); }

/* KBD / Klavye Kısayolu */
kbd {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 2px 6px;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    line-height: 1;
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    box-shadow: 0 1px 0 var(--border-color);
}

/* HR */
hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: var(--space-4) 0;
}