:root {
    --color-primary: #0d7a63;
    --color-primary-dark: #095a49;
    --color-primary-light: #e4f4f0;
    --color-accent: #f2a93b;
    --color-bg: #f6f8f8;
    --color-card: #ffffff;
    --color-text: #1f2b28;
    --color-muted: #6b7a75;
    --color-border: #e3ebe8;
    --color-danger: #c02b20;
    --color-danger-bg: #fdecea;
    --color-success: #1f8a4c;
    --color-success-bg: #e8f7ee;
    --radius-lg: 16px;
    --radius-md: 10px;
    --shadow-card: 0 2px 10px rgba(15, 45, 38, 0.06);
    --shadow-card-hover: 0 10px 30px rgba(15, 45, 38, 0.10);
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
    margin: 0;
    font-family: "Be Vietnam Pro", "Segoe UI", Roboto, Arial, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.icon {
    width: 1em;
    height: 1em;
    display: inline-block;
    vertical-align: -0.15em;
}

/* ---------- Header ---------- */

header.site-header {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(6px);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-inner {
    max-width: 1080px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    padding: 14px 24px;
    gap: 12px 16px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--color-primary-dark);
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.25;
}

.brand-line-1 {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--color-muted);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.brand-line-2 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-primary-dark);
}

.brand-line-3 {
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--color-muted);
}

.brand-mark {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.brand-mark .icon { width: 18px; height: 18px; }

.brand-logo {
    width: 90px;
    height: 90px;
    object-fit: contain;
    flex-shrink: 0;
}

.main-nav {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
    gap: 4px;
}

.main-nav a {
    text-decoration: none;
    color: var(--color-text);
    font-weight: 500;
    font-size: clamp(0.72rem, 1.1vw, 0.9rem);
    padding: 9px 12px;
    border-radius: 999px;
    transition: background 0.15s ease, color 0.15s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    white-space: nowrap;
    gap: 6px;
}

.main-nav a:hover { background: var(--color-primary-light); color: var(--color-primary-dark); }
.main-nav a.active { background: var(--color-primary); color: #fff; }

.main-nav a.nav-admin {
    border: 1px solid var(--color-border);
}
.main-nav a.nav-admin.active { border-color: var(--color-primary); }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
}
.nav-toggle span { width: 22px; height: 2px; background: var(--color-text); border-radius: 2px; }

/* ---------- Layout ---------- */

main { max-width: 1080px; margin: 0 auto; padding: 40px 20px 70px; }

/* ---------- Hero ---------- */

.hero {
    background: radial-gradient(circle at top left, #12967a, var(--color-primary-dark));
    color: #fff;
    border-radius: var(--radius-lg);
    padding: 56px 44px;
    margin-bottom: 40px;
    position: relative;
    overflow: hidden;
}

.hero::after {
    content: "";
    position: absolute;
    right: -60px;
    top: -60px;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
}

.hero-eyebrow {
    display: inline-block;
    background: rgba(255, 255, 255, 0.15);
    padding: 5px 14px;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    margin-bottom: 18px;
}

.hero h2 {
    margin: 0 0 14px;
    font-size: clamp(1.07rem, 2vw, 1.53rem);
    font-weight: 800;
    max-width: 620px;
}

.hero p {
    max-width: 560px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 28px;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; position: relative; z-index: 1; }

/* ---------- Buttons ---------- */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--color-primary);
    color: #fff;
    padding: 13px 24px;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 600;
    border: none;
    cursor: pointer;
    font-size: 0.98rem;
    font-family: inherit;
    transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
    box-shadow: 0 4px 14px rgba(13, 122, 99, 0.25);
}
.btn:hover { background: var(--color-primary-dark); transform: translateY(-1px); }

.btn-accent { background: var(--color-accent); color: #3a2a00; box-shadow: 0 4px 14px rgba(242, 169, 59, 0.35); }
.btn-accent:hover { background: #e0961f; }

.btn-outline {
    background: transparent;
    color: #fff;
    border: 1.5px solid rgba(255, 255, 255, 0.6);
    box-shadow: none;
}
.btn-outline:hover { background: rgba(255, 255, 255, 0.12); }

.btn-ghost {
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    box-shadow: none;
}
.btn-ghost:hover { background: #d5ece6; }

.btn-sm { padding: 8px 16px; font-size: 0.88rem; }

/* ---------- Feature grid ---------- */

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.feature-card {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    padding: 26px;
    box-shadow: var(--shadow-card);
    text-decoration: none;
    color: var(--color-text);
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: box-shadow 0.15s ease, transform 0.15s ease;
    border: 1px solid transparent;
}
.feature-card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-3px); border-color: var(--color-border); }

.feature-icon {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    display: flex;
    align-items: center;
    justify-content: center;
}
.feature-icon .icon { width: 22px; height: 22px; }

.feature-card h3 { margin: 0; font-size: 1.05rem; }
.feature-card p { margin: 0; color: var(--color-muted); font-size: 0.92rem; flex-grow: 1; }
.feature-link { font-weight: 600; color: var(--color-primary-dark); display: inline-flex; align-items: center; gap: 6px; font-size: 0.9rem; }
.feature-link .icon { width: 14px; height: 14px; transition: transform 0.15s ease; }
.feature-card:hover .feature-link .icon { transform: translateX(3px); }

/* ---------- Cards / Sections ---------- */

.card {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    padding: 34px;
    box-shadow: var(--shadow-card);
    margin-bottom: 24px;
}

.card h2 { margin-top: 0; color: var(--color-primary-dark); }

.section-title { font-size: 1.3rem; font-weight: 700; margin: 0 0 6px; }
.section-subtitle { color: var(--color-muted); margin: 0 0 22px; }

.info-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.info-list li { display: flex; align-items: center; gap: 10px; }
.info-list .icon { color: var(--color-primary); flex-shrink: 0; }

/* ---------- Forms ---------- */

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px 24px; }
.form-grid .form-group.full { grid-column: 1 / -1; }

@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }

.form-group { margin-bottom: 6px; }

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 7px;
    font-size: 0.92rem;
}

.input-wrap { position: relative; }
.input-wrap .icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-muted);
    pointer-events: none;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"] {
    width: 100%;
    padding: 12px 14px 12px 40px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 0.98rem;
    font-family: inherit;
    background: #fbfcfc;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-group input[type="file"] {
    width: 100%;
    padding: 12px 14px;
    border: 1.5px dashed var(--color-border);
    border-radius: var(--radius-md);
    background: #fbfcfc;
    font-family: inherit;
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
    background: #fff;
}

.form-error { color: var(--color-danger); font-size: 0.85rem; margin-top: 6px; }

.alert {
    padding: 15px 18px;
    border-radius: var(--radius-md);
    margin-bottom: 22px;
    font-size: 0.95rem;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}
.alert .icon { flex-shrink: 0; margin-top: 2px; }

.alert-success { background: var(--color-success-bg); color: var(--color-success); border: 1px solid #c3ecd3; }
.alert-error { background: var(--color-danger-bg); color: var(--color-danger); border: 1px solid #f5c9c4; }

/* ---------- Stat cards (admin) ---------- */

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    padding: 20px 22px;
    box-shadow: var(--shadow-card);
    display: flex;
    align-items: center;
    gap: 14px;
}

.stat-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.stat-icon .icon { width: 20px; height: 20px; }

.stat-value { font-size: 1.5rem; font-weight: 800; line-height: 1.1; }
.stat-label { color: var(--color-muted); font-size: 0.85rem; }

/* ---------- Table ---------- */

.table-wrap {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    overflow: hidden;
}

table.data-table { width: 100%; border-collapse: collapse; font-size: 0.82rem; }

table.data-table th, table.data-table td {
    padding: 9px 12px;
    border-bottom: 1px solid var(--color-border);
    text-align: left;
}

table.data-table th {
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    font-weight: 700;
    font-size: 0.74rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

table.data-table tbody tr:hover { background: #f8fbfa; }
table.data-table tbody tr:last-child td { border-bottom: none; }

.person-cell { display: flex; align-items: center; gap: 10px; }
.avatar {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.7rem;
    flex-shrink: 0;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    border-radius: 999px;
    padding: 4px 12px;
    font-size: 0.8rem;
    font-weight: 600;
}
.badge-new { background: #fff2df; color: #9a6417; }

.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
}

.search-box { position: relative; }
.search-box .icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-muted);
}
.search-box input[type="text"] {
    padding: 10px 14px 10px 38px;
    border: 1.5px solid var(--color-border);
    border-radius: 999px;
    min-width: 260px;
    font-family: inherit;
    font-size: 0.92rem;
}
.search-box input[type="text"]:focus { outline: none; border-color: var(--color-primary); }

/* ---------- Admin header ---------- */

.admin-user { display: flex; align-items: center; gap: 10px; font-size: 0.9rem; color: var(--color-muted); }
.admin-user .avatar { width: 30px; height: 30px; font-size: 0.75rem; }

/* ---------- Login ---------- */

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at top, #12967a, var(--color-primary-dark));
    padding: 20px;
}

.login-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 40px 36px;
    width: 100%;
    max-width: 380px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}

.login-card .brand-mark { margin: 0 auto 18px; }
.login-card h2 { text-align: center; margin-top: 0; }
.login-card .section-subtitle { text-align: center; }
.login-back { display: block; text-align: center; margin-top: 18px; color: var(--color-muted); text-decoration: none; font-size: 0.9rem; }
.login-back:hover { color: var(--color-primary-dark); }

/* ---------- Footer ---------- */

footer.site-footer {
    background: #fff;
    border-top: 1px solid var(--color-border);
}
.footer-inner {
    max-width: 1080px;
    margin: 0 auto;
    padding: 28px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    color: var(--color-muted);
    font-size: 0.88rem;
}
.footer-inner p { margin: 4px 0 0; }

/* ---------- Responsive nav ---------- */

@media (max-width: 780px) {
    .nav-toggle { display: flex; }
    .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        align-items: stretch;
        padding: 10px 16px 16px;
        border-bottom: 1px solid var(--color-border);
        display: none;
        gap: 2px;
    }
    .main-nav.open { display: flex; }
    .main-nav a { padding: 12px 14px; }
    .hero { padding: 40px 26px; }
    .card { padding: 24px; }
}