/* ============================================================
   talentbridge — main stylesheet
   uses css custom properties for theming and bootstrap overrides
   ============================================================ */

/* ------------------------------------------------------------
   brand colour palette and typography tokens
   ------------------------------------------------------------ */
:root {
    --tb-primary:        #1b4f72;   /* deep navy — main brand colour */
    --tb-primary-hover:  #154160;   /* darkened for hover states */
    --tb-accent:         #2e86c1;   /* bright blue — ctas and links */
    --tb-accent-hover:   #2471a3;   /* darkened accent for hover */
    --tb-light-bg:       #eaf4fd;   /* pale blue — section backgrounds */
    --tb-hero-start:     #1b4f72;   /* hero gradient start */
    --tb-hero-end:       #2e86c1;   /* hero gradient end */
    --tb-text-primary:   #1a1a2e;   /* near-black body text */
    --tb-text-muted:     #5d6d7e;   /* secondary/caption text */
    --tb-border:         #d5e8f5;   /* subtle blue-tinted borders */
    --tb-success:        #1a7a4a;   /* accessible green (4.5:1 on white) */
    --tb-danger:         #c0392b;   /* accessible red */
    --tb-warning:        #b7770d;   /* accessible amber */

    /* typography */
    --tb-font-base:   'Segoe UI', system-ui, -apple-system, sans-serif;
    --tb-font-size:   1rem;
    --tb-line-height: 1.6;

    /* spacing rhythm */
    --tb-section-py: 4.5rem;
}

/* ------------------------------------------------------------
   global resets and base styles
   ------------------------------------------------------------ */
*, *::before, *::after {
    box-sizing: border-box;
}

body {
    font-family:  var(--tb-font-base);
    font-size:    var(--tb-font-size);
    line-height:  var(--tb-line-height);
    color:        var(--tb-text-primary);
    background:   #ffffff;
    min-height:   100vh;
    display:      flex;
    flex-direction: column;
}

main {
    flex: 1 0 auto;
}

a {
    color: var(--tb-accent);
    text-decoration: none;
}

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

/* visible focus ring for keyboard navigation (wcag 2.1 2.4.7) */
:focus-visible {
    outline: 3px solid var(--tb-accent);
    outline-offset: 2px;
}

/* ------------------------------------------------------------
   bootstrap overrides — primary colour
   ------------------------------------------------------------ */
.btn-primary {
    background-color: var(--tb-accent);
    border-color:     var(--tb-accent);
    color:            #ffffff;
    font-weight:      600;
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--tb-accent-hover);
    border-color:     var(--tb-accent-hover);
    color:            #ffffff;
}

.btn-outline-primary {
    border-color: var(--tb-accent);
    color:        var(--tb-accent);
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
    background-color: var(--tb-accent);
    border-color:     var(--tb-accent);
    color:            #ffffff;
}

.text-primary {
    color: var(--tb-accent) !important;
}

.bg-primary {
    background-color: var(--tb-primary) !important;
}

/* badge overrides */
.badge.bg-primary {
    background-color: var(--tb-accent) !important;
}

/* ------------------------------------------------------------
   navigation
   ------------------------------------------------------------ */
.navbar-brand {
    font-size:   1.4rem;
    font-weight: 700;
    color:       #ffffff !important;
    letter-spacing: -0.3px;
}

.navbar-brand span {
    color: #93c6f0;
}

.tb-navbar {
    background-color: var(--tb-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.tb-navbar .nav-link {
    color:       rgba(255, 255, 255, 0.88) !important;
    font-weight: 500;
    padding:     0.5rem 0.9rem;
    border-radius: 4px;
    transition: background 0.15s ease, color 0.15s ease;
}

.tb-navbar .nav-link:hover,
.tb-navbar .nav-link:focus {
    color:            #ffffff !important;
    background-color: rgba(255, 255, 255, 0.12);
    text-decoration:  none;
}

.tb-navbar .nav-link.active {
    color:            #ffffff !important;
    background-color: rgba(255, 255, 255, 0.18);
}

/* navbar cta buttons */
.tb-navbar .btn-nav-cta {
    background-color: var(--tb-accent);
    border:           none;
    color:            #ffffff;
    font-weight:      600;
    padding:          0.4rem 1rem;
    border-radius:    4px;
    transition:       background 0.15s ease;
}

.tb-navbar .btn-nav-cta:hover,
.tb-navbar .btn-nav-cta:focus {
    background-color: var(--tb-accent-hover);
    color:            #ffffff;
    text-decoration:  none;
}

/* ------------------------------------------------------------
   hero section
   ------------------------------------------------------------ */
.tb-hero {
    background: linear-gradient(135deg, var(--tb-hero-start) 0%, var(--tb-hero-end) 100%);
    color:    #ffffff;
    padding:  5rem 0 4rem;
}

.tb-hero h1 {
    font-size:   2.8rem;
    font-weight: 800;
    line-height: 1.2;
}

.tb-hero p.lead {
    font-size: 1.2rem;
    opacity:   0.92;
    max-width: 540px;
}

.tb-hero .btn-hero-primary {
    background-color: #ffffff;
    color:            var(--tb-primary);
    font-weight:      700;
    padding:          0.75rem 2rem;
    border-radius:    6px;
    border:           2px solid transparent;
    transition:       all 0.2s ease;
}

.tb-hero .btn-hero-primary:hover,
.tb-hero .btn-hero-primary:focus {
    background-color: transparent;
    border-color:     #ffffff;
    color:            #ffffff;
}

.tb-hero .btn-hero-secondary {
    background-color: transparent;
    color:            #ffffff;
    font-weight:      600;
    padding:          0.75rem 2rem;
    border-radius:    6px;
    border:           2px solid rgba(255, 255, 255, 0.7);
    transition:       all 0.2s ease;
}

.tb-hero .btn-hero-secondary:hover,
.tb-hero .btn-hero-secondary:focus {
    background-color: rgba(255, 255, 255, 0.12);
    border-color:     #ffffff;
    color:            #ffffff;
}

/* ------------------------------------------------------------
   section headings and dividers
   ------------------------------------------------------------ */
.tb-section {
    padding: var(--tb-section-py) 0;
}

.tb-section-alt {
    background-color: var(--tb-light-bg);
}

.tb-section-title {
    font-size:   1.9rem;
    font-weight: 700;
    color:       var(--tb-primary);
    margin-bottom: 0.4rem;
}

.tb-section-subtitle {
    color:     var(--tb-text-muted);
    font-size: 1.05rem;
}

.tb-divider {
    width:            3rem;
    height:           4px;
    background:       var(--tb-accent);
    border-radius:    2px;
    margin:           0.6rem 0 2rem;
}

/* ------------------------------------------------------------
   job cards
   ------------------------------------------------------------ */
.tb-job-card {
    border:        1px solid var(--tb-border);
    border-radius: 10px;
    transition:    transform 0.18s ease, box-shadow 0.18s ease;
    background:    #ffffff;
    height:        100%;
}

.tb-job-card:hover {
    transform:  translateY(-4px);
    box-shadow: 0 8px 24px rgba(27, 79, 114, 0.12);
}

.tb-job-card .card-title {
    font-weight: 700;
    color:       var(--tb-primary);
    font-size:   1.05rem;
}

.tb-job-card .company-name {
    color:       var(--tb-accent);
    font-weight: 600;
    font-size:   0.9rem;
}

.tb-job-card .card-meta {
    font-size: 0.85rem;
    color:     var(--tb-text-muted);
}

.tb-job-card .card-meta i {
    width: 1rem;
}

/* job type badges */
.badge-type {
    font-size:    0.75rem;
    font-weight:  600;
    padding:      0.3em 0.7em;
    border-radius: 20px;
}

.badge-full-time   { background-color: #d1ecf1; color: #0c5460; }
.badge-part-time   { background-color: #d4edda; color: #155724; }
.badge-contract    { background-color: #fff3cd; color: #6d5100; }  /* darkened for 4.5:1 contrast */
.badge-internship  { background-color: #f8d7da; color: #721c24; }
.badge-remote      { background-color: #e2d9f3; color: #432874; }

/* application status badges */
.badge-pending     { background-color: #e9ecef; color: #495057; }
.badge-reviewed    { background-color: #cce5ff; color: #004085; }
.badge-shortlisted { background-color: #d4edda; color: #155724; }
.badge-rejected    { background-color: #f8d7da; color: #721c24; }

/* ------------------------------------------------------------
   forms
   ------------------------------------------------------------ */
.form-control:focus,
.form-select:focus {
    border-color: var(--tb-accent);
    box-shadow:   0 0 0 0.2rem rgba(46, 134, 193, 0.25);
}

.form-label {
    font-weight: 500;
    color:       var(--tb-text-primary);
}

/* inline validation error text */
.field-error {
    color:     var(--tb-danger);
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

/* character counter */
.char-count {
    font-size: 0.82rem;
    color:     var(--tb-text-muted);
    text-align: right;
}

.char-count.count-ok     { color: var(--tb-success); }
.char-count.count-warn   { color: var(--tb-warning); }
.char-count.count-danger { color: var(--tb-danger);  font-weight: 600; }

/* ------------------------------------------------------------
   cards and panels (generic)
   ------------------------------------------------------------ */
.tb-card {
    border:        1px solid var(--tb-border);
    border-radius: 10px;
    background:    #ffffff;
    padding:       2rem;
}

/* stat cards for admin dashboard */
.stat-card {
    border-radius: 12px;
    padding:       1.5rem;
    color:         #ffffff;
    position:      relative;
    overflow:      hidden;
}

.stat-card .stat-number {
    font-size:   2.4rem;
    font-weight: 800;
    line-height: 1;
}

.stat-card .stat-label {
    font-size: 0.9rem;
    opacity:   0.88;
    margin-top: 0.25rem;
}

.stat-card-blue   { background: linear-gradient(135deg, #1b4f72, #2e86c1); }
.stat-card-green  { background: linear-gradient(135deg, #1a7a4a, #27ae60); }
.stat-card-purple { background: linear-gradient(135deg, #6c3483, #9b59b6); }
.stat-card-orange { background: linear-gradient(135deg, #935116, #e67e22); }

/* ------------------------------------------------------------
   about page — team cards
   ------------------------------------------------------------ */
.team-card {
    text-align:    center;
    padding:       2rem 1rem;
    border:        1px solid var(--tb-border);
    border-radius: 10px;
    background:    #ffffff;
    transition:    box-shadow 0.18s ease;
}

.team-card:hover {
    box-shadow: 0 6px 20px rgba(27, 79, 114, 0.1);
}

.team-avatar {
    width:         80px;
    height:        80px;
    border-radius: 50%;
    background:    var(--tb-light-bg);
    display:       flex;
    align-items:   center;
    justify-content: center;
    margin:        0 auto 1rem;
    font-size:     1.8rem;
    font-weight:   700;
    color:         var(--tb-primary);
    border:        3px solid var(--tb-border);
}

.team-card h5 {
    font-weight: 700;
    color:       var(--tb-primary);
    margin-bottom: 0.2rem;
}

.team-card .team-role {
    color:     var(--tb-accent);
    font-size: 0.88rem;
    font-weight: 600;
}

/* ------------------------------------------------------------
   footer
   ------------------------------------------------------------ */
.tb-footer {
    background-color: var(--tb-primary);
    color:            rgba(255, 255, 255, 0.8);
    padding:          2.5rem 0 1.5rem;
    margin-top:       auto;
}

.tb-footer a {
    color:     rgba(255, 255, 255, 0.88);  /* increased from 0.7 for 4.5:1 contrast */
    font-size: 0.9rem;
}

.tb-footer a:hover {
    color:           #ffffff;
    text-decoration: none;
}

.tb-footer .footer-brand {
    font-size:   1.2rem;
    font-weight: 700;
    color:       #ffffff;
}

.tb-footer .footer-brand span {
    color: #93c6f0;
}

.tb-footer hr {
    border-color: rgba(255, 255, 255, 0.15);
}

.tb-footer small {
    color: rgba(255, 255, 255, 0.80);  /* increased from 0.55 for 4.5:1 contrast */
}

/* ------------------------------------------------------------
   flash messages (alerts)
   ------------------------------------------------------------ */
.tb-flash {
    border-radius: 8px;
    font-weight:   500;
}

/* ------------------------------------------------------------
   filter bar (jobs.php)
   ------------------------------------------------------------ */
.tb-filter-bar {
    background:    var(--tb-light-bg);
    border:        1px solid var(--tb-border);
    border-radius: 10px;
    padding:       1.5rem;
    margin-bottom: 2rem;
}

/* ------------------------------------------------------------
   responsive utilities
   ------------------------------------------------------------ */
@media (max-width: 767.98px) {
    .tb-hero h1 {
        font-size: 2rem;
    }

    .tb-hero p.lead {
        font-size: 1rem;
    }

    .tb-section {
        padding: 3rem 0;
    }
}