/**
 * PIST ZEKASI PRO V6 - Professional Styles
 * Modern, mobil uyumlu, profesyonel tasarım
 * @author Selim DURMUŞ
 * @version 6.0.0
 */

/* ==================== CSS Variables ==================== */
:root {
    /* Colors */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #10b981;
    --secondary-dark: #059669;
    --accent: #f59e0b;
    --accent-dark: #d97706;
    --danger: #ef4444;
    --danger-dark: #dc2626;
    
    /* Backgrounds */
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-card: #1e293b;
    
    /* Text */
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --text-dark: #1e293b;
    
    /* Borders */
    --border-color: #334155;
    --border-light: #475569;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
}

/* Light Theme */
[data-theme="light"] {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --bg-card: #ffffff;
    
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --text-dark: #0f172a;
    
    --border-color: #e2e8f0;
    --border-light: #cbd5e1;
}

/* ==================== Reset & Base ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ==================== Layout ==================== */
#app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ==================== Header ==================== */
.header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.logo-icon {
    font-size: 2rem;
    line-height: 1;
}

.logo-text h1 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.logo-subtitle {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Navigation */
.nav {
    display: flex;
    gap: var(--spacing-sm);
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.nav-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.nav-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary-dark);
}

.nav-icon {
    font-size: 1rem;
}

.nav-text {
    font-size: 0.875rem;
}

/* Header Actions */
.header-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 1.125rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.icon-btn:hover {
    background: var(--bg-card);
    color: var(--text-primary);
    border-color: var(--border-light);
}

/* ==================== Main Content ==================== */
.main {
    flex: 1;
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg);
}

/* Tab Content */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn var(--transition-normal);
}

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

/* ==================== Cards ==================== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

.card-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.card-header h2 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.card-subtitle {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
}

.card-actions {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.card-body {
    padding: var(--spacing-lg);
}

/* ==================== Buttons ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: var(--font-sans);
}

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

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

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-card);
    border-color: var(--border-light);
}

.btn-accent {
    background: var(--accent);
    color: white;
    border-color: var(--accent-dark);
}

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

.btn-danger {
    background: var(--danger);
    color: white;
    border-color: var(--danger-dark);
}

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

.btn-full {
    width: 100%;
}

.btn-icon {
    padding: var(--spacing-sm);
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-icon:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* ==================== Forms ==================== */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.form-input,
.form-select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
    font-family: var(--font-sans);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-help {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
}

.select {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
    font-family: var(--font-sans);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    cursor: pointer;
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
    cursor: pointer;
}

.checkbox-item input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    accent-color: var(--primary);
}

.file-input {
    display: none;
}

/* ==================== Upload Section ==================== */
.upload-section {
    margin-bottom: var(--spacing-xl);
}

.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.upload-area:hover,
.upload-area.dragover {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.05);
}

.upload-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.upload-icon {
    font-size: 3rem;
    opacity: 0.5;
}

.upload-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.upload-content p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.upload-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

/* ==================== Weather Section ==================== */
.weather-section {
    margin-bottom: var(--spacing-xl);
}

.weather-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.weather-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    background: var(--bg-primary);
    border-radius: var(--radius-md);
}

.weather-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.weather-value {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    font-family: var(--font-mono);
}

.weather-impact {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: var(--bg-primary);
    border-radius: var(--radius-md);
}

.impact-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.impact-value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary);
    font-family: var(--font-mono);
}

/* ==================== Stats Section ==================== */
.stats-section {
    margin-bottom: var(--spacing-xl);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.stat-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.stat-icon {
    font-size: 2rem;
    opacity: 0.7;
}

.stat-content {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    font-family: var(--font-mono);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ==================== Race List ==================== */
.races-section {
    margin-bottom: var(--spacing-xl);
}

.race-list {
    max-height: 600px;
    overflow-y: auto;
}

.race-item {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.race-item:hover {
    background: var(--bg-primary);
}

.race-item:last-child {
    border-bottom: none;
}

.race-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
}

.race-number {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
}

.race-info {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.race-distance {
    font-family: var(--font-mono);
    font-weight: 500;
}

.race-surface {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
}

.race-venue {
    color: var(--text-muted);
}

/* ==================== Empty State ==================== */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    text-align: center;
}

.empty-icon {
    font-size: 3rem;
    opacity: 0.3;
    margin-bottom: var(--spacing-md);
}

.empty-state h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.empty-state p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* ==================== Motor Grid ==================== */
.motor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.motor-card {
    padding: var(--spacing-md);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.motor-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
}

.motor-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

.motor-score {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    font-family: var(--font-mono);
}

.motor-confidence {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.motor-details {
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border-color);
}

.motor-detail-item {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

/* ==================== Ensemble Results ==================== */
.ensemble-content {
    padding: var(--spacing-lg);
}

.ensemble-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
}

.ensemble-score {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    font-family: var(--font-mono);
}

.ensemble-consensus {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.ensemble-breakdown {
    margin-top: var(--spacing-lg);
}

.breakdown-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
}

.breakdown-item:last-child {
    border-bottom: none;
}

.breakdown-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.breakdown-value {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    font-family: var(--font-mono);
}

/* ==================== Coupon Generator ==================== */
.coupon-form {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.form-actions {
    grid-column: 1 / -1;
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.coupon-list {
    max-height: 500px;
    overflow-y: auto;
}

.coupon-item {
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
}

.coupon-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
}

.coupon-type {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
}

.coupon-budget {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.coupon-content {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-primary);
    line-height: 1.8;
}

/* ==================== Settings ==================== */
.settings-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.system-stats {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.system-item {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
}

.system-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.system-value {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    font-family: var(--font-mono);
}

/* ==================== Footer ==================== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-lg);
    margin-top: auto;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
}

.footer-content p {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-xs);
}

.footer-disclaimer {
    font-size: 0.75rem;
    color: var(--text-muted);
    opacity: 0.7;
}

/* ==================== Loading Overlay ==================== */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast);
}

.loading-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.loading-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.loading-spinner {
    width: 3rem;
    height: 3rem;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-text {
    font-size: 0.875rem;
    color: var(--text-primary);
}

/* ==================== Toast Notifications ==================== */
.toast-container {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: 1001;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.toast {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    min-width: 300px;
    animation: slideIn var(--transition-fast);
}

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

.toast.success {
    border-color: var(--secondary);
}

.toast.error {
    border-color: var(--danger);
}

.toast.warning {
    border-color: var(--accent);
}

.toast-icon {
    font-size: 1.25rem;
}

.toast-message {
    flex: 1;
    font-size: 0.875rem;
    color: var(--text-primary);
}

.toast-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1rem;
    padding: var(--spacing-xs);
}

/* ==================== Responsive Design ==================== */
@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        align-items: stretch;
    }
    
    .nav {
        overflow-x: auto;
        padding-bottom: var(--spacing-xs);
    }
    
    .nav-btn {
        flex-shrink: 0;
    }
    
    .main {
        padding: var(--spacing-md);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .motor-grid {
        grid-template-columns: 1fr;
    }
    
    .coupon-form {
        grid-template-columns: 1fr;
    }
    
    .card-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .upload-actions {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .weather-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .logo-text h1 {
        font-size: 1rem;
    }
    
    .logo-subtitle {
        font-size: 0.625rem;
    }
}

/* ==================== Scrollbar ==================== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-light);
}

/* ==================== Utility Classes ==================== */
.text-center {
    text-align: center;
}

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

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

.font-mono {
    font-family: var(--font-mono);
}

.text-primary {
    color: var(--primary);
}

.text-secondary {
    color: var(--secondary);
}

.text-accent {
    color: var(--accent);
}

.text-danger {
    color: var(--danger);
}

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

.bg-primary {
    background: var(--primary);
}

.bg-secondary {
    background: var(--secondary);
}

.bg-accent {
    background: var(--accent);
}

.bg-danger {
    background: var(--danger);
}

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }

.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.hidden { display: none; }