/**
 * JVR Jobs Theme - Main Stylesheet
 * Mobile-First CSS Framework
 */

/* ========================================
   CSS Custom Properties (Variables)
   ======================================== */
:root {
    /* Colors - Defaults (overridden by PHP) */
    --jvr-primary: #2563eb;
    --jvr-secondary: #1e40af;
    --jvr-accent: #f59e0b;
    --jvr-text: #1f2937;
    --jvr-text-light: #6b7280;
    --jvr-text-muted: #9ca3af;
    --jvr-background: #ffffff;
    --jvr-card-bg: #f9fafb;
    --jvr-border: #e5e7eb;
    --jvr-header-bg: #ffffff;
    --jvr-footer-bg: #1f2937;
    --jvr-footer-text: #ffffff;
    
    /* Typography */
    --jvr-font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --jvr-heading-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --jvr-font-size: 16px;
    --jvr-mobile-font-size: 14px;
    --jvr-line-height: 1.6;
    --jvr-heading-weight: 700;
    
    /* Spacing */
    --jvr-spacing-xs: 4px;
    --jvr-spacing-sm: 8px;
    --jvr-spacing-md: 16px;
    --jvr-spacing-lg: 24px;
    --jvr-spacing-xl: 32px;
    --jvr-spacing-xxl: 48px;
    
    /* Layout */
    --jvr-container-width: 1200px;
    --jvr-sidebar-width: 300px;
    --jvr-content-padding: 20px;
    --jvr-mobile-padding: 16px;
    --jvr-card-radius: 8px;
    --jvr-button-radius: 6px;
    --jvr-header-height: 60px;
    --jvr-mobile-header-height: 56px;
    --jvr-touch-target: 44px;
    --jvr-bottom-nav-height: 60px;
    
    /* Shadows */
    --jvr-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --jvr-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --jvr-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --jvr-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --jvr-transition-fast: 150ms ease;
    --jvr-transition: 200ms ease;
    --jvr-transition-slow: 300ms ease;
    
    /* Z-index layers */
    --jvr-z-dropdown: 100;
    --jvr-z-sticky: 200;
    --jvr-z-fixed: 300;
    --jvr-z-modal-backdrop: 400;
    --jvr-z-modal: 500;
    --jvr-z-popover: 600;
    --jvr-z-tooltip: 700;
}

/* ========================================
   Base Reset & Typography
   ======================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-size: var(--jvr-mobile-font-size);
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--jvr-font-family);
    font-size: 1rem;
    font-weight: 400;
    line-height: var(--jvr-line-height);
    color: var(--jvr-text);
    background-color: var(--jvr-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
    margin-top: 0;
    margin-bottom: var(--jvr-spacing-md);
    font-family: var(--jvr-heading-font);
    font-weight: var(--jvr-heading-weight);
    line-height: 1.3;
    color: var(--jvr-text);
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

/* Paragraphs & Text */
p {
    margin-top: 0;
    margin-bottom: var(--jvr-spacing-md);
}

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

a:hover,
a:focus {
    color: var(--jvr-secondary);
    text-decoration: underline;
}

/* Lists */
ul, ol {
    margin-top: 0;
    margin-bottom: var(--jvr-spacing-md);
    padding-left: var(--jvr-spacing-lg);
}

/* Images */
img {
    max-width: 100%;
    height: auto;
    vertical-align: middle;
}

/* ========================================
   Layout Components
   ======================================== */

/* Container */
.jvr-container {
    width: 100%;
    max-width: var(--jvr-container-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--jvr-mobile-padding);
    padding-right: var(--jvr-mobile-padding);
}

/* Main Content Area */
.jvr-main {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.jvr-content {
    flex: 1;
    padding-top: var(--jvr-spacing-md);
    padding-bottom: var(--jvr-spacing-xl);
}

.jvr-content-inner {
    margin-bottom: var(--jvr-spacing-lg);
}

/* Content with Sidebar */
.jvr-content-wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--jvr-spacing-lg);
}

/* Sidebar */
.jvr-sidebar {
    display: none; /* Hidden on mobile by default */
}

/* ========================================
   Header Styles
   ======================================== */
.jvr-header {
    background-color: var(--jvr-header-bg);
    box-shadow: var(--jvr-shadow);
    z-index: var(--jvr-z-sticky);
}

.jvr-header-sticky {
    position: sticky;
    top: 0;
}

.jvr-header-fixed {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
}

.jvr-header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--jvr-mobile-header-height);
    padding: 0 var(--jvr-mobile-padding);
    max-width: var(--jvr-container-width);
    margin: 0 auto;
}

.jvr-header-logo {
    display: flex;
    align-items: center;
}

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

.jvr-site-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--jvr-text);
    text-decoration: none;
}

.jvr-site-title:hover {
    color: var(--jvr-primary);
    text-decoration: none;
}

.jvr-header-nav {
    display: none;
}

.jvr-header-search {
    display: none;
}

/* Mobile Menu Toggle */
.jvr-mobile-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--jvr-touch-target);
    height: var(--jvr-touch-target);
    padding: 0;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--jvr-text);
}

/* ========================================
   Navigation Menu
   ======================================== */
.jvr-nav-menu {
    display: flex;
    align-items: center;
    gap: var(--jvr-spacing-lg);
    list-style: none;
    margin: 0;
    padding: 0;
}

.jvr-nav-menu li {
    margin: 0;
}

.jvr-nav-menu a {
    display: block;
    padding: var(--jvr-spacing-sm) 0;
    color: var(--jvr-text);
    font-weight: 500;
    text-decoration: none;
    transition: color var(--jvr-transition-fast);
}

.jvr-nav-menu a:hover {
    color: var(--jvr-primary);
}

/* ========================================
   Mobile Menu Overlay
   ======================================== */
.jvr-mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: var(--jvr-z-modal-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--jvr-transition), visibility var(--jvr-transition);
}

.jvr-mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.jvr-mobile-menu-container {
    position: absolute;
    top: 0;
    right: 0;
    width: 280px;
    max-width: 85%;
    height: 100%;
    background-color: var(--jvr-background);
    transform: translateX(100%);
    transition: transform var(--jvr-transition-slow);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.jvr-mobile-menu-overlay.active .jvr-mobile-menu-container {
    transform: translateX(0);
}

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

.jvr-mobile-menu-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--jvr-text);
}

.jvr-mobile-menu-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--jvr-touch-target);
    height: var(--jvr-touch-target);
    padding: 0;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--jvr-text-light);
}

.jvr-mobile-menu-content {
    padding: var(--jvr-spacing-md);
}

.jvr-mobile-menu-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.jvr-mobile-menu-list li {
    border-bottom: 1px solid var(--jvr-border);
}

.jvr-mobile-menu-list a {
    display: flex;
    align-items: center;
    min-height: var(--jvr-touch-target);
    padding: var(--jvr-spacing-md) 0;
    color: var(--jvr-text);
    font-weight: 500;
    text-decoration: none;
}

.jvr-mobile-menu-list a:hover {
    color: var(--jvr-primary);
}

/* ========================================
   Search Overlay
   ======================================== */
.jvr-search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--jvr-background);
    z-index: var(--jvr-z-modal);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--jvr-transition), visibility var(--jvr-transition);
}

.jvr-search-overlay.active {
    opacity: 1;
    visibility: visible;
}

.jvr-search-overlay-container {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.jvr-search-overlay-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--jvr-spacing-md);
    border-bottom: 1px solid var(--jvr-border);
}

.jvr-search-overlay-title {
    font-size: 1.125rem;
    font-weight: 600;
}

.jvr-search-overlay-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--jvr-touch-target);
    height: var(--jvr-touch-target);
    padding: 0;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--jvr-text-light);
}

.jvr-search-overlay-content {
    padding: var(--jvr-spacing-lg);
}

/* ========================================
   Search Form
   ======================================== */
.jvr-search-form {
    display: flex;
    flex-direction: column;
    gap: var(--jvr-spacing-md);
}

.jvr-search-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.jvr-search-icon {
    position: absolute;
    left: var(--jvr-spacing-md);
    width: 20px;
    height: 20px;
    color: var(--jvr-text-muted);
    pointer-events: none;
}

.jvr-search-input {
    width: 100%;
    height: var(--jvr-touch-target);
    padding: var(--jvr-spacing-sm) var(--jvr-spacing-md);
    padding-left: calc(var(--jvr-spacing-md) * 2 + 20px);
    font-family: inherit;
    font-size: 1rem;
    color: var(--jvr-text);
    background-color: var(--jvr-card-bg);
    border: 1px solid var(--jvr-border);
    border-radius: var(--jvr-button-radius);
    outline: none;
    transition: border-color var(--jvr-transition-fast), box-shadow var(--jvr-transition-fast);
}

.jvr-search-input:focus {
    border-color: var(--jvr-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.jvr-search-input::placeholder {
    color: var(--jvr-text-muted);
}

.jvr-search-submit {
    display: flex;
    align-items: center;
    justify-content: center;
    height: var(--jvr-touch-target);
    padding: 0 var(--jvr-spacing-lg);
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    color: #ffffff;
    background-color: var(--jvr-primary);
    border: none;
    border-radius: var(--jvr-button-radius);
    cursor: pointer;
    transition: background-color var(--jvr-transition-fast);
}

.jvr-search-submit:hover {
    background-color: var(--jvr-secondary);
}

/* ========================================
   Bottom Navigation (Mobile)
   ======================================== */
.jvr-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    align-items: stretch;
    height: var(--jvr-bottom-nav-height);
    background-color: var(--jvr-background);
    border-top: 1px solid var(--jvr-border);
    z-index: var(--jvr-z-fixed);
    padding-bottom: env(safe-area-inset-bottom);
}

.jvr-bottom-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    padding: var(--jvr-spacing-xs);
    color: var(--jvr-text-muted);
    text-decoration: none;
    font-size: 0.625rem;
    font-weight: 500;
    background: transparent;
    border: none;
    cursor: pointer;
    transition: color var(--jvr-transition-fast);
}

.jvr-bottom-nav-item:hover,
.jvr-bottom-nav-item.active {
    color: var(--jvr-primary);
}

.jvr-bottom-nav-item .jvr-icon {
    width: 22px;
    height: 22px;
}

/* Body padding for bottom nav */
.jvr-has-bottom-nav .jvr-main {
    padding-bottom: calc(var(--jvr-bottom-nav-height) + env(safe-area-inset-bottom));
}

/* Body padding for sticky header */
.jvr-sticky-header .jvr-main {
    padding-top: var(--jvr-mobile-header-height);
}

/* ========================================
   Footer Styles
   ======================================== */
.jvr-footer {
    background-color: var(--jvr-footer-bg);
    color: var(--jvr-footer-text);
    padding: var(--jvr-spacing-xl) 0;
}

.jvr-footer-container {
    max-width: var(--jvr-container-width);
    margin: 0 auto;
    padding: 0 var(--jvr-mobile-padding);
}

.jvr-footer-widgets {
    display: grid;
    gap: var(--jvr-spacing-xl);
    margin-bottom: var(--jvr-spacing-xl);
}

.jvr-footer-cols-1 { grid-template-columns: 1fr; }
.jvr-footer-cols-2 { grid-template-columns: 1fr; }
.jvr-footer-cols-3 { grid-template-columns: 1fr; }
.jvr-footer-cols-4 { grid-template-columns: 1fr; }

.jvr-footer-widget-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--jvr-spacing-md);
    color: var(--jvr-footer-text);
}

.jvr-footer a {
    color: rgba(255, 255, 255, 0.8);
}

.jvr-footer a:hover {
    color: #ffffff;
}

.jvr-footer-bottom {
    padding-top: var(--jvr-spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.jvr-copyright {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    text-align: center;
}

/* ========================================
   Icons
   ======================================== */
.jvr-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.jvr-icon-sm {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.jvr-icon-lg {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
}

/* ========================================
   Buttons
   ======================================== */
.jvr-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--jvr-spacing-sm);
    min-height: var(--jvr-touch-target);
    padding: var(--jvr-spacing-sm) var(--jvr-spacing-lg);
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--jvr-button-radius);
    cursor: pointer;
    transition: all var(--jvr-transition-fast);
}

.jvr-btn-primary {
    color: #ffffff;
    background-color: var(--jvr-primary);
    border: none;
}

.jvr-btn-primary:hover {
    background-color: var(--jvr-secondary);
    color: #ffffff;
    text-decoration: none;
}

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

.jvr-btn-secondary:hover {
    background-color: var(--jvr-primary);
    color: #ffffff;
    text-decoration: none;
}

.jvr-btn-sm {
    min-height: 36px;
    padding: var(--jvr-spacing-xs) var(--jvr-spacing-md);
    font-size: 0.875rem;
}

.jvr-btn-lg {
    min-height: 52px;
    padding: var(--jvr-spacing-md) var(--jvr-spacing-xl);
    font-size: 1.125rem;
}

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

/* ========================================
   Cards
   ======================================== */
.jvr-card {
    background-color: var(--jvr-card-bg);
    border-radius: var(--jvr-card-radius);
    overflow: hidden;
}

.jvr-card.jvr-has-shadow {
    box-shadow: var(--jvr-shadow);
}

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

.jvr-card-header {
    padding: var(--jvr-spacing-md);
    border-bottom: 1px solid var(--jvr-border);
}

.jvr-card-footer {
    padding: var(--jvr-spacing-md);
    border-top: 1px solid var(--jvr-border);
}

/* ========================================
   Badges
   ======================================== */
.jvr-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--jvr-spacing-xs) var(--jvr-spacing-sm);
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1;
    border-radius: 9999px;
    white-space: nowrap;
}

.jvr-badge-primary {
    color: #ffffff;
    background-color: var(--jvr-primary);
}

.jvr-badge-secondary {
    color: var(--jvr-text);
    background-color: var(--jvr-border);
}

.jvr-badge-accent {
    color: #000000;
    background-color: var(--jvr-accent);
}

.jvr-badge-full-time {
    color: #065f46;
    background-color: #d1fae5;
}

.jvr-badge-part-time {
    color: #1e40af;
    background-color: #dbeafe;
}

.jvr-badge-contract {
    color: #92400e;
    background-color: #fef3c7;
}

.jvr-badge-remote {
    color: #7c3aed;
    background-color: #ede9fe;
}

/* ========================================
   Widgets
   ======================================== */
.jvr-widget {
    margin-bottom: var(--jvr-spacing-lg);
}

.jvr-widget-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--jvr-spacing-md);
    padding-bottom: var(--jvr-spacing-sm);
    border-bottom: 2px solid var(--jvr-primary);
}

/* ========================================
   Utility Classes
   ======================================== */

/* Display */
.jvr-desktop-only {
    display: none !important;
}

.jvr-mobile-only {
    display: flex !important;
}

/* Text alignment */
.jvr-text-center { text-align: center; }
.jvr-text-left { text-align: left; }
.jvr-text-right { text-align: right; }

/* Spacing */
.jvr-mt-0 { margin-top: 0; }
.jvr-mb-0 { margin-bottom: 0; }
.jvr-mt-md { margin-top: var(--jvr-spacing-md); }
.jvr-mb-md { margin-bottom: var(--jvr-spacing-md); }
.jvr-mt-lg { margin-top: var(--jvr-spacing-lg); }
.jvr-mb-lg { margin-bottom: var(--jvr-spacing-lg); }

/* Accessibility */
.jvr-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;
}

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