/**
 * TeslaHub - Ana Stil Dosyası
 * Tesla araç içi ekranları için optimize edilmiş
 */

/* ======================================
   CSS CUSTOM PROPERTIES (Variables)
   ====================================== */

:root {
    /* Tesla ekran boyutları: 15" veya 17" - landscape orientation */
    --screen-width: 100vw;
    --screen-height: 100vh;

    /* Minimum dokunma hedefi: 48px (Tesla için 56px öneriyoruz) */
    --touch-target-min: 56px;

    /* Font boyutları - Tesla ekranından okunabilir */
    --font-size-xs: 14px;
    --font-size-sm: 16px;
    --font-size-md: 18px;
    --font-size-lg: 24px;
    --font-size-xl: 32px;
    --font-size-xxl: 48px;
    --font-size-hero: 64px;

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

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;

    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 9999px;

    /* Animasyon süreleri */
    --transition-fast: 150ms;
    --transition-normal: 300ms;
    --transition-slow: 500ms;

    /* Z-index katmanları */
    --z-base: 1;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-modal: 300;
    --z-toast: 400;
    --z-loading: 500;

    /* Layout */
    --header-height: 60px;
    --sidebar-width: 80px;
    --quick-actions-height: 80px;
}

/* ======================================
   RESET & BASE
   ====================================== */

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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-normal);
    line-height: 1.5;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
    -webkit-user-select: none;
}

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

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: var(--radius-full);
}

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

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Selection */
::selection {
    background: var(--primary);
    color: white;
}

/* Focus styles */
:focus {
    outline: none;
}

:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* ======================================
   TYPOGRAPHY
   ====================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-semibold);
    line-height: 1.2;
    color: var(--text-primary);
}

h1 {
    font-size: var(--font-size-xxl);
}

h2 {
    font-size: var(--font-size-xl);
}

h3 {
    font-size: var(--font-size-lg);
}

h4 {
    font-size: var(--font-size-md);
}

p {
    margin-bottom: var(--spacing-md);
}

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

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

small {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

strong {
    font-weight: var(--font-weight-semibold);
}

/* ======================================
   LAYOUT
   ====================================== */

#app {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.main-layout {
    display: flex;
    flex: 1;
    padding-top: var(--header-height);
}

.content-wrapper {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: var(--spacing-lg);
    padding-bottom: calc(var(--quick-actions-height) + var(--spacing-lg));
    min-height: calc(100vh - var(--header-height));
}

/* ======================================
   HEADER
   ====================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-lg);
    z-index: var(--z-sticky);
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.header-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
}

.header-logo img {
    height: 32px;
    width: auto;
}

.header-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.status-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.status-item .icon {
    font-size: var(--font-size-md);
}

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

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.user-avatar:hover {
    transform: scale(1.05);
}

/* ======================================
   SIDEBAR
   ====================================== */

.sidebar {
    position: fixed;
    top: var(--header-height);
    left: 0;
    bottom: var(--quick-actions-height);
    width: var(--sidebar-width);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-right: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    padding: var(--spacing-md) 0;
    z-index: var(--z-sticky);
}

.nav-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    padding: 0 var(--spacing-sm);
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) var(--spacing-sm);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
    cursor: pointer;
    transition: all var(--transition-fast);
    min-height: var(--touch-target-min);
}

.nav-item .nav-icon {
    font-size: 24px;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.nav-item.active {
    background: var(--primary);
    color: white;
}

.nav-item.active .nav-icon {
    transform: scale(1.1);
}

/* ======================================
   QUICK ACTIONS BAR
   ====================================== */

.quick-actions {
    position: fixed;
    bottom: 0;
    left: var(--sidebar-width);
    right: 0;
    height: var(--quick-actions-height);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    padding: 0 var(--spacing-lg);
    z-index: var(--z-sticky);
}

.quick-action-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
    min-height: var(--touch-target-min);
}

.quick-action-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.quick-action-btn:active {
    transform: scale(0.98);
}

.quick-action-btn .icon {
    font-size: 20px;
}

.quick-action-btn.voice-btn {
    background: var(--primary);
    border-color: var(--primary);
}

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

/* ======================================
   PAGE CONTAINER
   ====================================== */

.page {
    opacity: 0;
    transform: translateX(20px);
}

.page.active {
    opacity: 1;
    transform: translateX(0);
}

.page-header {
    margin-bottom: var(--spacing-lg);
}

.page-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-xs);
}

.page-subtitle {
    font-size: var(--font-size-md);
    color: var(--text-secondary);
}

/* ======================================
   GRID SYSTEM
   ====================================== */

.grid {
    display: grid;
    gap: var(--spacing-lg);
}

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

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

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

.grid-auto {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

/* Responsive */
@media (max-width: 1200px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
}

/* ======================================
   LOADING SCREEN
   ====================================== */

.loading-screen {
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-loading);
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
}

.loader {
    width: 60px;
    height: 60px;
    border: 3px solid var(--glass-border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loader-text {
    font-size: var(--font-size-md);
    color: var(--text-secondary);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ======================================
   UTILITIES
   ====================================== */

.hidden {
    display: none !important;
}

.invisible {
    visibility: hidden;
}

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

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

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

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

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

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

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

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

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

.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

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

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

.justify-between {
    justify-content: space-between;
}

.gap-xs {
    gap: var(--spacing-xs);
}

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

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

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

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

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

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

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

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

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

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

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

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

.w-full {
    width: 100%;
}

.h-full {
    height: 100%;
}

.rounded {
    border-radius: var(--radius-md);
}

.rounded-lg {
    border-radius: var(--radius-lg);
}

.rounded-full {
    border-radius: var(--radius-full);
}

.overflow-hidden {
    overflow: hidden;
}

.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ======================================
   RESPONSIVE
   ====================================== */

@media (max-width: 768px) {
    :root {
        --sidebar-width: 0px;
        --quick-actions-height: 70px;
    }

    .sidebar {
        display: none;
    }

    .content-wrapper {
        margin-left: 0;
        padding: var(--spacing-md);
    }

    .header {
        padding: 0 var(--spacing-md);
    }

    .quick-actions {
        left: 0;
        gap: var(--spacing-sm);
        padding: 0 var(--spacing-md);
        overflow-x: auto;
    }

    .quick-action-btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-xs);
        white-space: nowrap;
    }
}