/* =============================================
   HK HSE Jobs — #86ebff Color System
   ============================================= */

/* ===== Tokens ===== */
:root {
    --sky-900: #082736;
    --sky-800: #0a6e94;
    --sky-600: #1ab8d8;
    --sky-400: #86ebff;
    --sky-200: #c4f5ff;
    --sky-100: #e0fbff;
    --sky-050: #f4feff;

    --txt-900: #0f172a;
    --txt-700: #334155;
    --txt-500: #64748b;
    --txt-300: #cbd5e1;

    --bg-page: #f4feff;
    --bg-card: #ffffff;
    --border:  #e2e8f0;

    --radius-sm:  8px;
    --radius-md: 12px;
    --radius-lg: 16px;

    --shadow-sm: 0 1px 4px rgba(8,39,54,0.06);
    --shadow-md: 0 4px 16px rgba(8,39,54,0.10);
    --shadow-lg: 0 8px 32px rgba(8,39,54,0.14);
}

/* ===== Reset ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

body {
    background: #f5f5f5;
    color: var(--txt-900);
    line-height: 1.6;
    min-height: 100vh;
}

/* ===== Header ===== */
.header-container {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg-card);
    box-shadow: 0 1px 0 var(--border);
}

/* ===== Main ===== */
.main-container {
    display: block;
    padding: 0 16px;
    max-width: 1280px;
    margin: 0 auto;
}

/* ===== Banner ===== */
.jobs-banner {
    background: linear-gradient(135deg, var(--sky-900) 0%, #0b3d54 50%, var(--sky-800) 100%);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    position: relative;
    overflow: hidden;
    margin-bottom: 28px;
}
.jobs-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(134,235,255,.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(134,235,255,.04) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
}
.jobs-banner-inner { position: relative; z-index: 1; }
.jobs-banner h2 {
    font-size: 26px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 10px;
    letter-spacing: 0.02em;
}
.jobs-banner p {
    font-size: 15px;
    color: rgba(255,255,255,0.75);
    margin-bottom: 12px;
    line-height: 1.6;
}
.jobs-banner-fee {
    margin-top: 14px;
    font-size: 13px;
    color: rgba(255,255,255,0.5);
}
.btn-post-job {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--sky-200);
    color: var(--sky-900);
    text-decoration: none;
    padding: 13px 28px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 15px;
    cursor: pointer;
    transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
    box-shadow: 0 4px 14px rgba(134,235,255,0.35);
}
.btn-post-job:hover {
    background: #a8f1ff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(134,235,255,0.45);
}
.btn-post-job svg { width: 18px; height: 18px; }

/* ===== Section card ===== */
.jobs-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
}

.section-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--txt-900);
    margin-bottom: 20px;
    padding-bottom: 14px;
    border-bottom: 2px solid var(--sky-100);
    display: flex;
    align-items: center;
    gap: 10px;
}
.section-title svg {
    width: 22px; height: 22px;
    color: var(--sky-800);
    flex-shrink: 0;
}

/* ===== Search bar ===== */
.search-bar { margin-bottom: 20px; }
.search-row {
    display: flex;
    gap: 10px;
    align-items: center;
}
.search-input-wrap {
    position: relative;
    flex: 1;
}
.search-input {
    width: 100%;
    padding: 11px 16px 11px 42px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14.5px;
    color: var(--txt-900);
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}
.search-input::placeholder { color: var(--txt-300); }
.search-input:focus {
    border-color: var(--sky-800);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(10,110,148,0.12);
}
.search-input-icon {
    position: absolute;
    left: 13px;
    top: 50%;
    transform: translateY(-50%);
    width: 17px; height: 17px;
    color: var(--txt-300);
    pointer-events: none;
    transition: color 0.2s;
}
.search-input-wrap:focus-within .search-input-icon { color: var(--sky-800); }

.search-hint {
    margin-top: 8px;
    font-size: 13px;
    color: var(--txt-500);
    display: flex;
    align-items: center;
    gap: 6px;
}
.search-hint svg { width: 14px; height: 14px; color: var(--sky-600); }

.btn-search {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: var(--sky-800);
    color: #fff;
    border: none;
    padding: 11px 20px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: background 0.2s, transform 0.15s;
    white-space: nowrap;
}
.btn-search:hover { background: #0891b2; transform: translateY(-1px); }
.btn-search svg { width: 16px; height: 16px; }

/* ===== Job card ===== */
.job-card {
    border: 1.5px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px 18px;
    margin-bottom: 10px;
    cursor: pointer;
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}
.job-card:hover {
    border-color: var(--sky-400);
    box-shadow: 0 4px 16px rgba(134,235,255,0.2);
    background: #fff;
}
.job-card.selected {
    border-color: var(--sky-800);
    background: var(--sky-050);
    box-shadow: 0 4px 16px rgba(10,110,148,0.15);
}

.job-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}
.job-title {
    font-size: 15.5px;
    font-weight: 700;
    color: var(--txt-900);
    margin-bottom: 8px;
    line-height: 1.4;
}
.job-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.job-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    background: var(--sky-100);
    border: 1px solid var(--sky-200);
    border-radius: 20px;
    padding: 3px 10px;
    font-weight: 500;
}
.job-tag svg { width: 12px; height: 12px; flex-shrink: 0; }

/* ===== Job detail ===== */
.job-detail-content { min-height: 300px; }

.job-detail-full {
    font-size: 14px;
    color: var(--txt-700);
    line-height: 1.7;
}
.detail-row {
    display: flex;
    align-items: flex-start;
    margin-bottom: 14px;
    gap: 8px;
}
.detail-row strong {
    flex: 0 0 130px;
    font-weight: 600;
    font-size: 13px;
}
.detail-row strong::after { content: ":"; }
.detail-row span {flex: 1;}
.detail-row.contact-row .contact-sep {
    color: var(--txt-300);
    margin: 0 6px;
}

/* ===== Apply button ===== */
.apply-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--sky-800);
    color: #fff;
    border: none;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
    margin-top: 16px;
    box-shadow: 0 3px 10px rgba(10,110,148,0.25);
}
.apply-btn:hover {
    background: #0891b2;
    transform: translateY(-2px);
    box-shadow: 0 5px 16px rgba(10,110,148,0.35);
}
.apply-btn svg { width: 16px; height: 16px; }

/* ===== Application modal ===== */
.application-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(8,39,54,0.55);
    z-index: 2000;
    animation: fadeIn 0.25s ease;
}
@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}
.application-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 500px;
    max-height: 88vh;
    overflow-y: auto;
    padding: 32px;
    box-shadow: var(--shadow-lg);
}
.application-content h2 {
    font-size: 20px;
    font-weight: 700;
    color: var(--txt-900);
    margin-bottom: 24px;
}

.form-group { margin-bottom: 18px; }
.form-group label {
    display: block;
    margin-bottom: 7px;
    font-weight: 600;
    font-size: 13.5px;
    color: var(--txt-700);
}
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 11px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--txt-900);
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--sky-800);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(10,110,148,0.12);
}

.input-with-prefix {
    position: relative;
}

.input-prefix {
    position: absolute;
    top: 50%;
    left: 12px;
    transform: translateY(-50%);
    color: var(--txt-500);
    font-size: 14px;
    font-weight: 600;
    pointer-events: none;
    z-index: 1;
}

.input-with-prefix input {
    padding-left: 60px;
}

.form-actions { display: flex; gap: 12px; margin-top: 24px; }

.btn-primary {
    flex: 1;
    background: var(--sky-800);
    color: #fff;
    border: none;
    padding: 13px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: background 0.2s, transform 0.15s;
}
.btn-primary:hover { background: #0891b2; transform: translateY(-1px); }

.btn-secondary {
    flex: 1;
    color: var(--txt-500);
    border: 1.5px solid var(--border);
    padding: 13px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
}
.btn-secondary:hover { background: var(--border); color: var(--txt-700); }

/* ===== Requirement bullets ===== */
.job-requirements { margin-top: 12px; }
.job-requirements h4 { font-size: 15px; color: var(--txt-900); margin-bottom: 8px; }
.job-requirements ul { list-style: none; padding: 0; }
.job-requirements li {
    padding: 5px 0 5px 18px;
    color: var(--txt-700);
    position: relative;
}
.job-requirements li::before {
    content: '';
    position: absolute;
    left: 0; top: 13px;
    width: 7px; height: 7px;
    background: var(--sky-400);
    border-radius: 50%;
}

/* ===== Footer ===== */
footer {
    text-align: center;
    padding: 24px 0 80px;
    font-size: 13px;
    color: var(--txt-300);
    border-top: 1px solid var(--border);
    margin-top: 20px;
}

/* ===== Desktop ===== */
@media (min-width: 768px) {
    .main-container { padding: 0 40px; }
    .jobs-banner {border-radius: var(--radius-lg);margin: 24px 0 28px;}
    .jobs-banner h2 { font-size: 30px; }
    .jobs-section { padding: 28px 32px; }
    .section-title { font-size: 22px; }
}

@media (min-width: 1024px) {
    .jobs-desktop-layout {
        display: flex;
        gap: 24px;
        margin-bottom: 32px;
    }
    .jobs-list-section {
        flex: 0 0 360px;
        min-width: 0;
    }
    .job-detail-section {
        flex: 1;
        min-width: 0;
    }
    .jobs-mobile-layout { display: none; }
}

@media (max-width: 1023px) {
    .jobs-desktop-layout { display: none; }
}

@media (max-width: 767px) {
    .detail-row strong { flex-basis: 90px; }
    .search-row { flex-wrap: wrap; }
    .btn-search { width: 100%; justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}