/**
 * CP 2.0 Core Styles - Mobile First Responsive Design System
 * ConnectPlatform Career Center
 */

/* ==========================================================================
   CSS Reset & Base
   ========================================================================== */

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

html {
    -webkit-text-size-adjust: 100%;
    -moz-tab-size: 4;
    tab-size: 4;
}

body {
    margin: 0;
    font-family: var(--cp2-font-body, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif);
    font-size: 16px;
    line-height: 1.6;
    color: var(--cp2-text, #333);
    background: var(--cp2-bg, #f4f4f4);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--cp2-font-heading, inherit);
    margin-top: 0;
    margin-bottom: 0.5em;
    font-weight: 600;
    line-height: 1.3;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }

p {
    margin-top: 0;
    margin-bottom: 1em;
}

a {
    color: var(--cp2-link, #0069ed);
    text-decoration: none;
    transition: color var(--cp2-transition, 0.2s ease);
}

a:hover {
    text-decoration: underline;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ==========================================================================
   Layout - Grid System
   ========================================================================== */

.cp2-wrapper {
    display: grid;
    grid-template-columns: 1fr;
    min-height: 100vh;
    grid-template-rows: auto 1fr auto;
    grid-template-areas:
        "header"
        "main"
        "footer";
}

.cp2-header { grid-area: header; }
.cp2-main { grid-area: main; }
.cp2-footer { grid-area: footer; }
.cp2-sidebar { display: none; }

/* Container */
.cp2-container {
    width: 100%;
    max-width: var(--cp2-content-width, 1200px);
    margin: 0 auto;
    padding: 0 var(--cp2-space-md, 16px);
}

.cp2-container--narrow {
    max-width: 800px;
}

.cp2-container--wide {
    max-width: 1400px;
}

/* Main content area */
.cp2-main {
    padding: var(--cp2-space-lg, 24px) 0;
}

/* ==========================================================================
   Header
   ========================================================================== */

.cp2-header {
    background: var(--cp2-header-bg, #1a1a1a);
    color: var(--cp2-header-text, #fff);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--cp2-shadow-sm, 0 2px 8px rgba(0,0,0,0.1));
}

.cp2-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--cp2-header-height, 70px);
    max-width: var(--cp2-content-width, 1200px);
    margin: 0 auto;
    padding: 0 var(--cp2-space-md, 16px);
}

/* Logo */
.cp2-logo {
    display: flex;
    align-items: center;
    color: inherit;
    text-decoration: none;
}

.cp2-logo:hover {
    text-decoration: none;
}

.cp2-logo img {
    height: 45px;
    width: auto;
}

.cp2-logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: inherit;
}

/* Mobile Menu Toggle */
.cp2-menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
    z-index: 110;
}

.cp2-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--cp2-header-text, #fff);
    border-radius: 2px;
    transition: transform var(--cp2-transition, 0.2s ease), opacity var(--cp2-transition, 0.2s ease);
}

.cp2-menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.cp2-menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.cp2-menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Navigation */
.cp2-nav {
    display: none;
    position: fixed;
    top: var(--cp2-header-height, 70px);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--cp2-header-bg, #1a1a1a);
    padding: var(--cp2-space-lg, 24px);
    overflow-y: auto;
    z-index: 99;
}

.cp2-nav--open {
    display: block;
}

.cp2-nav a {
    display: block;
    padding: var(--cp2-space-md, 16px) 0;
    color: var(--cp2-header-text, #fff);
    font-size: 1.125rem;
    font-weight: 500;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    text-decoration: none;
}

.cp2-nav a:hover {
    color: var(--cp2-accent, #F7941D);
    text-decoration: none;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.cp2-footer {
    background: var(--cp2-header-bg, #1a1a1a);
    color: var(--cp2-header-text, #fff);
    padding: var(--cp2-space-xl, 40px) 0;
    margin-top: auto;
}

.cp2-footer a {
    color: var(--cp2-header-link, #fff);
    opacity: 0.8;
}

.cp2-footer a:hover {
    opacity: 1;
    text-decoration: underline;
}

.cp2-footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--cp2-space-lg, 24px);
}

.cp2-footer-section h4 {
    margin-bottom: var(--cp2-space-md, 16px);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.7;
}

.cp2-footer-bottom {
    margin-top: var(--cp2-space-xl, 40px);
    padding-top: var(--cp2-space-lg, 24px);
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.875rem;
    opacity: 0.7;
}

/* ==========================================================================
   Cards
   ========================================================================== */

.cp2-card {
    background: var(--cp2-card-bg, #fff);
    border-radius: var(--cp2-radius, 8px);
    box-shadow: var(--cp2-shadow, 0 4px 20px rgba(0,0,0,0.08));
    padding: var(--cp2-space-lg, 24px);
    margin-bottom: var(--cp2-space-lg, 24px);
}

.cp2-card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--cp2-space-md, 16px);
    padding-bottom: var(--cp2-space-sm, 8px);
    border-bottom: var(--cp2-border, 1px solid #eee);
}

.cp2-card-body {
    color: var(--cp2-text, #333);
}

.cp2-card-footer {
    margin-top: var(--cp2-space-md, 16px);
    padding-top: var(--cp2-space-md, 16px);
    border-top: var(--cp2-border, 1px solid #eee);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.cp2-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--cp2-space-sm, 8px);
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    line-height: 1.4;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--cp2-radius, 8px);
    cursor: pointer;
    transition: all var(--cp2-transition, 0.2s ease);
}

.cp2-btn:hover {
    text-decoration: none;
}

.cp2-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Button variants */
.cp2-btn--primary {
    background: var(--cp2-accent, #F7941D);
    color: #fff;
    border-color: var(--cp2-accent, #F7941D);
}

.cp2-btn--primary:hover {
    background: var(--cp2-accent-hover, #e58515);
    border-color: var(--cp2-accent-hover, #e58515);
}

.cp2-btn--secondary {
    background: var(--cp2-primary, #1a1a1a);
    color: #fff;
    border-color: var(--cp2-primary, #1a1a1a);
}

.cp2-btn--secondary:hover {
    opacity: 0.9;
}

.cp2-btn--outline {
    background: transparent;
    color: var(--cp2-accent, #F7941D);
    border-color: var(--cp2-accent, #F7941D);
}

.cp2-btn--outline:hover {
    background: var(--cp2-accent, #F7941D);
    color: #fff;
}

/* Button sizes */
.cp2-btn--sm {
    padding: 8px 16px;
    font-size: 0.875rem;
}

.cp2-btn--lg {
    padding: 16px 32px;
    font-size: 1.125rem;
}

/* ==========================================================================
   Forms
   ========================================================================== */

.cp2-field {
    margin-bottom: var(--cp2-space-md, 16px);
}

.cp2-label {
    display: block;
    margin-bottom: var(--cp2-space-xs, 4px);
    font-weight: 500;
    color: var(--cp2-text, #333);
}

.cp2-input,
.cp2-select,
.cp2-textarea {
    display: block;
    width: 100%;
    padding: 12px 16px;
    font-size: 1rem;
    font-family: inherit;
    line-height: 1.5;
    color: var(--cp2-text, #333);
    background: var(--cp2-card-bg, #fff);
    border: var(--cp2-border, 1px solid #ddd);
    border-radius: var(--cp2-radius-sm, 4px);
    transition: border-color var(--cp2-transition, 0.2s ease), box-shadow var(--cp2-transition, 0.2s ease);
}

.cp2-input:focus,
.cp2-select:focus,
.cp2-textarea:focus {
    outline: none;
    border-color: var(--cp2-accent, #F7941D);
    box-shadow: 0 0 0 3px rgba(247, 148, 29, 0.1);
}

.cp2-input--error {
    border-color: #dc3545;
}

.cp2-field-error {
    margin-top: var(--cp2-space-xs, 4px);
    font-size: 0.875rem;
    color: #dc3545;
}

.cp2-textarea {
    min-height: 120px;
    resize: vertical;
}

/* ==========================================================================
   Alerts
   ========================================================================== */

.cp2-alert {
    position: relative;
    padding: var(--cp2-space-md, 16px);
    margin-bottom: var(--cp2-space-md, 16px);
    border-radius: var(--cp2-radius-sm, 4px);
    font-size: 0.9375rem;
}

.cp2-alert--info {
    background: #e7f3ff;
    color: #0c5aa6;
    border-left: 4px solid #0c5aa6;
}

.cp2-alert--success {
    background: #d4edda;
    color: #155724;
    border-left: 4px solid #28a745;
}

.cp2-alert--warning {
    background: #fff3cd;
    color: #856404;
    border-left: 4px solid #ffc107;
}

.cp2-alert--error {
    background: #f8d7da;
    color: #721c24;
    border-left: 4px solid #dc3545;
}

.cp2-alert-close {
    position: absolute;
    top: 50%;
    right: var(--cp2-space-md, 16px);
    transform: translateY(-50%);
    background: none;
    border: none;
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    opacity: 0.5;
}

.cp2-alert-close:hover {
    opacity: 1;
}

/* ==========================================================================
   Grid System
   ========================================================================== */

.cp2-grid {
    display: grid;
    gap: var(--cp2-space-md, 16px);
}

.cp2-grid--2 { grid-template-columns: repeat(1, 1fr); }
.cp2-grid--3 { grid-template-columns: repeat(1, 1fr); }
.cp2-grid--4 { grid-template-columns: repeat(1, 1fr); }

.cp2-gap--sm { gap: var(--cp2-space-sm, 8px); }
.cp2-gap--md { gap: var(--cp2-space-md, 16px); }
.cp2-gap--lg { gap: var(--cp2-space-lg, 24px); }

/* ==========================================================================
   Job Cards (Career Center)
   ========================================================================== */

.cp2-job-card {
    background: var(--cp2-card-bg, #fff);
    border-radius: var(--cp2-radius, 8px);
    padding: var(--cp2-space-md, 16px);
    border-left: 4px solid var(--cp2-accent, #F7941D);
    box-shadow: var(--cp2-shadow-sm, 0 2px 8px rgba(0,0,0,0.06));
    transition: box-shadow var(--cp2-transition, 0.2s ease);
}

.cp2-job-card:hover {
    box-shadow: var(--cp2-shadow, 0 4px 20px rgba(0,0,0,0.08));
}

.cp2-job-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0 0 var(--cp2-space-xs, 4px) 0;
}

.cp2-job-title a {
    color: inherit;
}

.cp2-job-title a:hover {
    color: var(--cp2-accent, #F7941D);
}

.cp2-job-company {
    font-weight: 500;
    color: var(--cp2-text, #333);
    margin-bottom: var(--cp2-space-sm, 8px);
}

.cp2-job-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--cp2-space-md, 16px);
    font-size: 0.875rem;
    color: var(--cp2-text-muted, rgba(0,0,0,0.6));
}

/* ==========================================================================
   Pagination
   ========================================================================== */

.cp2-pagination {
    display: flex;
    flex-wrap: wrap;
    gap: var(--cp2-space-xs, 4px);
    justify-content: center;
    margin: var(--cp2-space-lg, 24px) 0;
}

.cp2-page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    background: var(--cp2-card-bg, #fff);
    border: var(--cp2-border, 1px solid #ddd);
    border-radius: var(--cp2-radius-sm, 4px);
    font-size: 0.9375rem;
    text-decoration: none;
    color: var(--cp2-text, #333);
    transition: all var(--cp2-transition, 0.2s ease);
}

.cp2-page-link:hover {
    background: var(--cp2-accent, #F7941D);
    border-color: var(--cp2-accent, #F7941D);
    color: #fff;
    text-decoration: none;
}

.cp2-page-link--active {
    background: var(--cp2-accent, #F7941D);
    border-color: var(--cp2-accent, #F7941D);
    color: #fff;
}

/* ==========================================================================
   Breadcrumbs
   ========================================================================== */

.cp2-breadcrumbs {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--cp2-space-sm, 8px);
    padding: var(--cp2-space-md, 16px) 0;
    font-size: 0.875rem;
}

.cp2-breadcrumb-item {
    color: var(--cp2-link, #0069ed);
}

.cp2-breadcrumb-item--current {
    color: var(--cp2-text-muted, rgba(0,0,0,0.6));
}

.cp2-breadcrumb-sep {
    color: var(--cp2-text-muted, rgba(0,0,0,0.4));
}

/* ==========================================================================
   Utilities
   ========================================================================== */

.cp2-text-center { text-align: center; }
.cp2-text-left { text-align: left; }
.cp2-text-right { text-align: right; }

.cp2-mt-0 { margin-top: 0; }
.cp2-mb-0 { margin-bottom: 0; }
.cp2-mt-lg { margin-top: var(--cp2-space-lg, 24px); }
.cp2-mb-lg { margin-bottom: var(--cp2-space-lg, 24px); }

.cp2-hidden { display: none !important; }
.cp2-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;
}

/* ==========================================================================
   Tablet Breakpoint (768px)
   ========================================================================== */

@media (min-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 1.75rem; }

    /* Hide mobile menu toggle */
    .cp2-menu-toggle {
        display: none;
    }

    /* Show inline navigation */
    .cp2-nav {
        display: flex;
        position: static;
        background: none;
        padding: 0;
        gap: var(--cp2-space-lg, 24px);
        overflow: visible;
    }

    .cp2-nav a {
        display: inline;
        padding: 0;
        border: none;
        font-size: 0.9375rem;
    }

    /* Layout with sidebar */
    .cp2-wrapper--sidebar {
        grid-template-columns: 280px 1fr;
        grid-template-areas:
            "header header"
            "sidebar main"
            "footer footer";
    }

    .cp2-sidebar {
        display: block;
        grid-area: sidebar;
        padding: var(--cp2-space-lg, 24px);
        background: var(--cp2-card-bg, #fff);
        border-right: var(--cp2-border, 1px solid #eee);
    }

    /* Grid columns */
    .cp2-grid--2 { grid-template-columns: repeat(2, 1fr); }
    .cp2-grid--3 { grid-template-columns: repeat(2, 1fr); }
    .cp2-grid--4 { grid-template-columns: repeat(2, 1fr); }

    /* Footer */
    .cp2-footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ==========================================================================
   Desktop Breakpoint (1024px)
   ========================================================================== */

@media (min-width: 1024px) {
    .cp2-header-inner {
        height: var(--cp2-header-height-desktop, 80px);
    }

    .cp2-logo img {
        height: 55px;
    }

    .cp2-main {
        padding: var(--cp2-space-xl, 40px) 0;
    }

    /* Grid columns */
    .cp2-grid--3 { grid-template-columns: repeat(3, 1fr); }
    .cp2-grid--4 { grid-template-columns: repeat(3, 1fr); }

    /* Footer */
    .cp2-footer-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ==========================================================================
   Large Desktop Breakpoint (1280px)
   ========================================================================== */

@media (min-width: 1280px) {
    .cp2-grid--4 { grid-template-columns: repeat(4, 1fr); }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
    .cp2-header,
    .cp2-footer,
    .cp2-menu-toggle,
    .cp2-sidebar {
        display: none !important;
    }

    .cp2-wrapper {
        display: block;
    }

    .cp2-main {
        padding: 0;
    }

    .cp2-card {
        box-shadow: none;
        border: 1px solid #ddd;
    }

    a {
        color: inherit;
    }

    a[href]::after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
        color: #666;
    }
}