/*
 * CareerNexus — single stylesheet for the whole app (bowtie's own
 * convention: one assets/css/main.css, not per-page files).
 * Palette matches the InstruNexus brand (same tokens as bowtie's
 * assets/css/main.css):
 *   Navy #182D46   Slate #414F5E   Off-White #F6F5F2
 *   Warm-Grey #C8C2C2   Mid-Grey #9FA3A8   Brick-Red #B4382F
 */

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

:root {
    --cn-navy:        #182D46;
    --cn-navy-dark:   #0F1D2F;
    --cn-navy-mid:    #1E4F7A;
    --cn-slate:       #414F5E;
    --cn-off-white:   #F6F5F2;
    --cn-warm-grey:   #C8C2C2;
    --cn-mid-grey:    #9FA3A8;
    --cn-brick:       #B4382F;
    --cn-brick-dark:  #8F2A22;
    --cn-white:       #ffffff;
    --cn-success:     #1D7A4A;
    --cn-success-lt:  #27AE60;
    --cn-warning:     #C17D0E;
    --cn-warning-lt:  #E67E22;
    --cn-danger:      #B4382F;
    --cn-danger-bg:   #FBEAEA;
    --cn-success-bg:  #EAF5EA;
    --cn-text-dark:   #12202E;
    --cn-text-mid:    #414F5E;
    --cn-text-light:  #6E757E;
    --cn-border:      #E0DEDA;
    --cn-border-dark: #C8C2C2;
    --cn-radius:      10px;
    --cn-radius-sm:   6px;
    --cn-radius-lg:   14px;
    --cn-shadow-sm:   0 1px 4px rgba(24,45,70,.08);
    --cn-shadow:      0 3px 12px rgba(24,45,70,.10);
    --cn-shadow-md:   0 6px 24px rgba(24,45,70,.14);
    --cn-shadow-lg:   0 24px 64px rgba(0,0,0,.30);
    --cn-transition:  0.2s ease;

    /* Back-compat aliases for the original token names */
    --cn-primary: var(--cn-navy);
    --cn-primary-text: var(--cn-white);
    --cn-radius-lg-alias: var(--cn-radius-lg);
    --cn-text-muted: var(--cn-text-light);
}

html { font-size: 16px; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--cn-text-dark);
    background: var(--cn-off-white);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--cn-navy-mid); text-decoration: none; }
a:hover { color: var(--cn-brick); text-decoration: underline; }
h1, h2, h3 { color: var(--cn-navy); letter-spacing: -.2px; }
img { max-width: 100%; }

/* ---------- Buttons ---------- */
.cn-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 0.7rem 1.4rem;
    border-radius: var(--cn-radius-sm);
    background: linear-gradient(135deg, var(--cn-navy-mid), var(--cn-navy));
    color: var(--cn-white);
    text-decoration: none;
    border: 1.5px solid var(--cn-navy);
    cursor: pointer;
    font: inherit;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(24,45,70,.22);
    transition: transform var(--cn-transition), box-shadow var(--cn-transition), background var(--cn-transition);
}
.cn-button:hover {
    background: linear-gradient(135deg, #255E8E, var(--cn-navy-mid));
    box-shadow: 0 4px 14px rgba(24,45,70,.28);
    color: var(--cn-white);
    text-decoration: none;
    transform: translateY(-1px);
}
.cn-button-sm { padding: 0.45rem 0.95rem; font-size: 0.85rem; }
.cn-button-lg { padding: 0.9rem 1.9rem; font-size: 1.02rem; }
.cn-button-outline {
    background: transparent;
    border: 1.5px solid var(--cn-border-dark);
    color: var(--cn-navy);
    box-shadow: none;
}
.cn-button-outline:hover {
    background: rgba(24,45,70,.06);
    color: var(--cn-navy);
    border-color: var(--cn-navy);
    box-shadow: none;
}

/* ---------- Dashboard / Admin nav ---------- */
.cn-nav {
    background: var(--cn-white);
    border-bottom: 2px solid var(--cn-border);
    border-top: 3px solid var(--cn-brick);
    box-shadow: var(--cn-shadow-sm);
}
.cn-nav-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0.9rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}
.cn-nav-brand {
    font-weight: 800;
    font-size: 1.2rem;
    letter-spacing: -.3px;
    text-decoration: none;
    color: var(--cn-navy);
}
.cn-nav-brand:hover { color: var(--cn-brick); text-decoration: none; }
.cn-nav-links { display: flex; gap: 1.5rem; flex: 1; }
.cn-nav-links a { text-decoration: none; color: var(--cn-text-light); font-weight: 500; font-size: 0.95rem; }
.cn-nav-links a:hover { color: var(--cn-navy); text-decoration: none; }
.cn-nav-links a.active { color: var(--cn-brick); font-weight: 700; }
.cn-nav-user { display: flex; align-items: center; gap: 0.9rem; }
.cn-nav-user-name { font-weight: 600; font-size: 0.9rem; color: var(--cn-text-mid); }

/* ---------- Footer (dashboard/admin) ---------- */
.cn-footer {
    max-width: 1100px;
    margin: 2rem auto 0;
    padding: 1.5rem;
    text-align: center;
    color: var(--cn-text-light);
    font-size: 0.85rem;
    border-top: 1px solid var(--cn-border);
}

/* ---------- Panels / cards ---------- */
.cn-dashboard-wrap { max-width: 1100px; margin: 0 auto; padding: 2rem 1.5rem; }
.cn-dashboard, .cn-admin-content {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}
.cn-admin-content { display: block; max-width: 1100px; margin: 0 auto; padding: 2rem 1.5rem; }
.cn-panel {
    border: 1px solid var(--cn-border);
    border-radius: var(--cn-radius);
    padding: 1.4rem;
    background: var(--cn-white);
    box-shadow: var(--cn-shadow);
    min-width: 0;
    overflow-wrap: break-word;
    border-top: 3px solid var(--cn-navy);
    transition: transform var(--cn-transition), box-shadow var(--cn-transition);
}
.cn-panel:hover { transform: translateY(-2px); box-shadow: var(--cn-shadow-md); }
.cn-panel-title { margin: 0 0 0.75rem; font-size: 1.02rem; font-weight: 700; color: var(--cn-navy); }
.cn-panel-placeholder { border-top-color: var(--cn-warm-grey); color: var(--cn-text-light); }

/* ---------- Welcome banner ---------- */
.cn-welcome-banner {
    background: linear-gradient(135deg, var(--cn-navy) 0%, #1A3F5C 60%, var(--cn-navy-dark) 100%);
    border-radius: var(--cn-radius-lg);
    padding: 1.75rem 2rem;
    color: var(--cn-white);
    margin-bottom: 1.75rem;
    box-shadow: var(--cn-shadow-md);
    border-top: 3px solid var(--cn-brick);
}
.cn-welcome-banner h2 { color: var(--cn-white); font-size: 1.4rem; font-weight: 800; margin-bottom: 4px; }
.cn-welcome-banner p { color: rgba(255,255,255,.65); font-size: 0.9rem; }

/* ---------- Alerts / flash ---------- */
.alert {
    padding: 0.85rem 1.1rem;
    border-radius: var(--cn-radius-sm);
    margin-bottom: 1.25rem;
    border-left: 4px solid transparent;
    font-size: 0.92rem;
}
.alert-success { background: var(--cn-success-bg); color: #145A32; border-color: var(--cn-success-lt); }
.alert-error { background: var(--cn-danger-bg); color: var(--cn-brick-dark); border-color: var(--cn-brick); }

/* ---------- Landing: nav ---------- */
.cn-landing-body { background: var(--cn-off-white); }
.cn-landing-nav {
    background: linear-gradient(90deg, var(--cn-navy-dark), var(--cn-navy));
    padding: 1rem 2.5rem;
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 2px solid var(--cn-brick);
    box-shadow: 0 2px 14px rgba(0,0,0,.2);
}
.cn-landing-nav-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
}
.cn-landing-logo {
    color: var(--cn-white);
    font-weight: 800;
    font-size: 1.15rem;
    letter-spacing: -.3px;
    text-decoration: none;
}
.cn-landing-logo:hover { color: var(--cn-white); text-decoration: none; }
.cn-landing-nav-links { display: flex; align-items: center; gap: 1.5rem; }
.cn-landing-nav-links a { color: rgba(255,255,255,.78); font-size: 0.92rem; font-weight: 500; text-decoration: none; }
.cn-landing-nav-links a:hover { color: var(--cn-white); text-decoration: none; }

/* ---------- Landing: hero ---------- */
.cn-landing, .cn-auth-page { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; box-sizing: border-box; }
.cn-hero {
    background: linear-gradient(135deg, var(--cn-navy-dark) 0%, var(--cn-navy) 50%, #1A3F5C 100%);
    color: var(--cn-white);
    border-radius: var(--cn-radius-lg);
    margin-top: 1.5rem;
    padding: 4.5rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cn-hero::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--cn-brick), #E5533D, var(--cn-brick));
}
.cn-hero-inner { max-width: 720px; margin: 0 auto; }
.cn-hero-eyebrow {
    display: inline-block;
    background: rgba(180,56,47,.22);
    color: #fff;
    border: 1px solid rgba(180,56,47,.5);
    border-radius: 999px;
    padding: 0.35rem 1rem;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: .3px;
    margin-bottom: 1.4rem;
}
.cn-hero h1 { color: var(--cn-white); font-size: clamp(1.9rem, 4vw, 2.9rem); line-height: 1.15; margin: 0 0 1rem; font-weight: 800; }
.cn-hero-subtitle { font-size: 1.08rem; color: rgba(255,255,255,.8); margin: 0 0 2.2rem; }
.cn-hero-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.85rem; }
.cn-hero .cn-button-outline { border-color: rgba(255,255,255,.55); color: var(--cn-white); }
.cn-hero .cn-button-outline:hover { background: rgba(255,255,255,.12); color: var(--cn-white); }

/* ---------- Landing: features ---------- */
.cn-features, .cn-pricing { padding: 4rem 0; }
.cn-features h2, .cn-pricing h2 { text-align: center; font-size: clamp(1.5rem, 3vw, 2rem); margin: 0 0 0.5rem; font-weight: 800; }
.cn-section-sub { text-align: center; color: var(--cn-text-light); margin: 0 0 2.5rem; }
.cn-feature-grid, .cn-pricing-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1.4rem; }
.cn-feature-card, .cn-pricing-card {
    border: 1px solid var(--cn-border);
    border-radius: var(--cn-radius-lg);
    padding: 1.75rem;
    background: var(--cn-white);
    box-shadow: var(--cn-shadow);
    min-width: 0;
    border-top: 3px solid var(--cn-brick);
    transition: transform var(--cn-transition), box-shadow var(--cn-transition);
}
.cn-feature-card { text-align: left; }
.cn-feature-card:hover, .cn-pricing-card:hover { transform: translateY(-3px); box-shadow: var(--cn-shadow-md); }
.cn-feature-icon { display: block; font-size: 1.9rem; margin-bottom: 0.9rem; }
.cn-feature-card h3 { font-size: 1.02rem; margin-bottom: 0.5rem; font-weight: 700; }
.cn-feature-card p { font-size: 0.88rem; color: var(--cn-text-light); line-height: 1.6; }

/* ---------- Landing: pricing ---------- */
.cn-pricing-card { text-align: center; }
.cn-price { font-size: 1.7rem; font-weight: 800; margin: 0 0 0.25rem; color: var(--cn-navy); }
.cn-price-detail { color: var(--cn-text-light); font-size: 0.88rem; margin: 0 0 1.4rem; }
.cn-pricing-empty { text-align: center; color: var(--cn-text-light); grid-column: 1 / -1; }

/* ---------- Landing: CTA + footer ---------- */
.cn-cta {
    background: linear-gradient(135deg, var(--cn-navy-dark), var(--cn-navy) 60%, #1A3F5C);
    border-radius: var(--cn-radius-lg);
    padding: 3.5rem 2rem;
    text-align: center;
    color: var(--cn-white);
    border-top: 3px solid var(--cn-brick);
    margin-bottom: 2.5rem;
}
.cn-cta h2 { color: var(--cn-white); font-size: 1.8rem; margin-bottom: 0.6rem; font-weight: 800; }
.cn-cta p { color: rgba(255,255,255,.75); margin-bottom: 1.6rem; }
.cn-landing-footer {
    background: var(--cn-navy-dark);
    color: rgba(255,255,255,.45);
    text-align: center;
    padding: 1.5rem;
    font-size: 0.85rem;
}

/* ---------- Auth (login/register/reset) ---------- */
.cn-auth-body {
    background: linear-gradient(135deg, var(--cn-navy-dark) 0%, var(--cn-navy) 60%, #1A3F5C 100%);
    min-height: 100vh;
}
.cn-auth-page { max-width: 440px; padding: 3.5rem 1.5rem; }
.cn-auth-back { display: inline-block; margin-bottom: 1.25rem; color: rgba(255,255,255,.75); text-decoration: none; font-size: 0.9rem; }
.cn-auth-back:hover { color: var(--cn-white); text-decoration: none; }
.cn-auth-form {
    border-radius: var(--cn-radius-lg);
    padding: 2.2rem;
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
    background: var(--cn-white);
    box-shadow: var(--cn-shadow-lg);
    border-top: 3px solid var(--cn-brick);
}
.cn-auth-form h2 { margin: 0 0 0.3rem; text-align: center; font-weight: 800; font-size: 1.4rem; }
.cn-auth-form label { display: flex; flex-direction: column; gap: 0.4rem; font-weight: 600; font-size: 0.9rem; color: var(--cn-slate); }
.cn-auth-form input, .cn-auth-form select {
    font: inherit;
    padding: 0.7rem 0.8rem;
    border: 1.5px solid var(--cn-border-dark);
    border-radius: var(--cn-radius-sm);
    font-weight: 400;
    color: var(--cn-text-dark);
    transition: border-color var(--cn-transition), box-shadow var(--cn-transition);
    outline: none;
}
.cn-auth-form input:focus, .cn-auth-form select:focus {
    border-color: var(--cn-navy-mid);
    box-shadow: 0 0 0 3px rgba(30,79,122,.14);
}
.cn-auth-error { background: var(--cn-danger-bg); color: var(--cn-brick-dark); border-radius: var(--cn-radius-sm); padding: 0.7rem 0.9rem; font-size: 0.85rem; border-left: 4px solid var(--cn-brick); }
.cn-auth-links { text-align: center; font-size: 0.85rem; color: var(--cn-text-light); margin: 0; }
.cn-auth-closed, .cn-auth-already-in {
    text-align: center;
    background: var(--cn-white);
    padding: 2rem;
    border-radius: var(--cn-radius-lg);
    box-shadow: var(--cn-shadow-lg);
    border-top: 3px solid var(--cn-brick);
}

/* ---------- Admin: stat cards / tabs / settings forms ---------- */
.cn-stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 1.1rem; margin: 1.75rem 0; }
.cn-stat-card {
    border: 1px solid var(--cn-border);
    border-radius: var(--cn-radius);
    padding: 1.4rem;
    background: var(--cn-white);
    box-shadow: var(--cn-shadow);
    text-align: center;
    border-top: 4px solid var(--cn-navy);
    transition: transform var(--cn-transition), box-shadow var(--cn-transition);
}
.cn-stat-card:hover { transform: translateY(-2px); box-shadow: var(--cn-shadow-md); }
.cn-stat-card:nth-child(2) { border-top-color: var(--cn-brick); }
.cn-stat-card:nth-child(3) { border-top-color: var(--cn-success-lt); }
.cn-stat-value { display: block; font-size: 1.9rem; font-weight: 800; color: var(--cn-navy); line-height: 1.1; }
.cn-stat-label { color: var(--cn-text-light); font-size: 0.85rem; font-weight: 500; }

.cn-tabs { display: flex; gap: 0.4rem; border-bottom: 2px solid var(--cn-border); margin-bottom: 1.75rem; flex-wrap: wrap; }
.cn-tab {
    padding: 0.7rem 1.1rem;
    text-decoration: none;
    color: var(--cn-text-light);
    font-weight: 500;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    transition: color var(--cn-transition), border-color var(--cn-transition), background var(--cn-transition);
    border-radius: var(--cn-radius-sm) var(--cn-radius-sm) 0 0;
}
.cn-tab:hover { color: var(--cn-navy); background: rgba(24,45,70,.05); text-decoration: none; }
.cn-tab.active { color: var(--cn-brick); border-bottom-color: var(--cn-brick); font-weight: 700; }

.cn-settings-form {
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
    max-width: 520px;
    background: var(--cn-white);
    border: 1px solid var(--cn-border);
    border-radius: var(--cn-radius-lg);
    padding: 1.75rem;
    box-shadow: var(--cn-shadow);
    border-top: 3px solid var(--cn-navy);
}
.cn-settings-form label {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--cn-slate);
}
.cn-settings-form label:has(input[type="checkbox"]) {
    flex-direction: row;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
}
.cn-settings-form label:has(input[type="checkbox"]) input { width: auto; }
.cn-settings-form input, .cn-settings-form select {
    font: inherit;
    padding: 0.6rem 0.75rem;
    border: 1.5px solid var(--cn-border-dark);
    border-radius: var(--cn-radius-sm);
    font-weight: 400;
    color: var(--cn-text-dark);
    outline: none;
    transition: border-color var(--cn-transition), box-shadow var(--cn-transition);
}
.cn-settings-form input:focus, .cn-settings-form select:focus {
    border-color: var(--cn-navy-mid);
    box-shadow: 0 0 0 3px rgba(30,79,122,.12);
}
.cn-settings-form h3 {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--cn-brick);
    text-transform: uppercase;
    letter-spacing: .6px;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--cn-border);
    margin-top: 0.5rem;
}
.cn-admin-links { margin-top: 1.75rem; }

/* ---------- Focus visibility ---------- */
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible {
    outline: 2px solid var(--cn-navy-mid);
    outline-offset: 2px;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
    .cn-landing-nav { padding: 0.9rem 1.25rem; }
    .cn-landing-nav-links { gap: 1rem; }
    .cn-landing-footer { padding: 1.25rem; }
}

@media (max-width: 600px) {
    .cn-hero { padding: 2.75rem 1.25rem; }
    .cn-auth-form { padding: 1.5rem; }
    .cn-welcome-banner { padding: 1.4rem; }
    .cn-landing-nav-links a:not(.cn-button) { display: none; }
}