/**
 * Main Styles - NC750X Maintenance App
 * Tema scuro Honda
 */

/* ============================================
   CSS Variables - Theme Colors
   ============================================ */
:root {
    /* Honda Colors */
    --color-primary: #CC0000;
    --color-primary-dark: #990000;
    --color-primary-light: #FF3333;

    /* Dark Theme */
    --color-bg: #1a1a1a;
    --color-bg-card: #242424;
    --color-bg-elevated: #2a2a2a;
    --color-text: #ffffff;
    --color-text-secondary: #b0b0b0;
    --color-text-tertiary: #808080;

    /* UI Colors */
    --color-border: #333333;
    --color-divider: #404040;
    --color-success: #34c759;
    --color-warning: #ff9500;
    --color-danger: #ff3b30;
    --color-info: #0a84ff;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.4);

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

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Z-index */
    --z-bottom-nav: 100;
    --z-top-bar: 90;
    --z-side-menu: 200;
    --z-overlay: 190;
    --z-modal: 300;
    --z-toast: 400;
}

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

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
    overflow-x: hidden;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.1rem; }

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

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

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

small {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

hr {
    border: none;
    border-top: 1px solid var(--color-divider);
    margin: var(--spacing-lg) 0;
}

/* ============================================
   Loading Screen
   ============================================ */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-screen p {
    margin-top: var(--spacing-md);
    color: var(--color-text-secondary);
}

/* ============================================
   App Container
   ============================================ */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    padding-bottom: 70px; /* Space for bottom nav */
}

/* ============================================
   Top Bar
   ============================================ */
.top-bar {
    position: sticky;
    top: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    border-bottom: 1px solid var(--color-border);
    z-index: var(--z-top-bar);
    box-shadow: var(--shadow-sm);
}

.top-bar h1 {
    font-size: 1.25rem;
    font-weight: 600;
}

.top-bar-left,
.top-bar-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* ============================================
   Side Menu
   ============================================ */
.side-menu {
    position: fixed;
    top: 0;
    right: -280px;
    width: 280px;
    height: 100vh;
    background: var(--color-bg-card);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-side-menu);
    transition: right var(--transition-base);
    overflow-y: auto;
}

.side-menu.open {
    right: 0;
}

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

.side-menu-list {
    list-style: none;
    padding: var(--spacing-md) 0;
}

.side-menu-list li a {
    display: block;
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--color-text);
    transition: background var(--transition-fast);
}

.side-menu-list li a:hover {
    background: var(--color-bg-elevated);
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: var(--z-overlay);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
}

.overlay.show {
    opacity: 1;
    pointer-events: all;
}

/* ============================================
   Content Area
   ============================================ */
.content-area {
    flex: 1;
    padding: var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.view {
    display: none;
}

.view.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

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

/* ============================================
   Cards
   ============================================ */
.card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-md);
}

/* ============================================
   Bottom Navigation
   ============================================ */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: var(--spacing-sm) 0;
    background: var(--color-bg-card);
    border-top: 1px solid var(--color-border);
    z-index: var(--z-bottom-nav);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.2);
}

.nav-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: var(--spacing-sm);
    background: none;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    min-width: 44px;
    min-height: 44px;
}

.nav-btn.active {
    color: var(--color-primary);
}

.nav-btn:hover {
    color: var(--color-primary-light);
}

.nav-icon {
    font-size: 1.5rem;
}

.nav-label {
    font-size: 0.7rem;
}

.nav-btn-fab {
    position: relative;
    bottom: 10px;
}

.nav-btn-fab .nav-icon {
    background: var(--color-primary);
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    box-shadow: var(--shadow-md);
}

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

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--color-text-secondary);
}

.form-control,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="tel"],
select,
textarea {
    width: 100%;
    padding: 12px var(--spacing-md);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-control:focus,
input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

textarea {
    resize: vertical;
    min-height: 100px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-section {
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-lg);
    background: var(--color-bg-elevated);
    border-radius: var(--radius-lg);
}

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

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    cursor: pointer;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-block;
    padding: 12px 24px;
    background: var(--color-bg-elevated);
    color: var(--color-text);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    min-width: 44px;
    min-height: 44px;
}

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

.btn:active {
    transform: translateY(0);
}

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

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

.btn-secondary {
    background: var(--color-bg-elevated);
    color: var(--color-text);
}

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

.btn-block {
    width: 100%;
    display: block;
}

.btn-small {
    padding: 8px 16px;
    font-size: 0.875rem;
}

.btn-icon {
    padding: 8px;
    background: transparent;
    border: none;
    color: var(--color-text);
    cursor: pointer;
    border-radius: var(--radius-md);
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:hover {
    background: var(--color-bg-elevated);
}

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

/* ============================================
   Toast Notifications
   ============================================ */
.toast-container {
    position: fixed;
    top: 80px;
    right: var(--spacing-md);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.toast {
    background: var(--color-bg-card);
    color: var(--color-text);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 280px;
    animation: slideInRight 0.3s ease;
}

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

.toast.success {
    border-left: 4px solid var(--color-success);
}

.toast.error {
    border-left: 4px solid var(--color-danger);
}

.toast.warning {
    border-left: 4px solid var(--color-warning);
}

.toast.info {
    border-left: 4px solid var(--color-info);
}