:root {
    --primary: #65a30d;
    --primary-dark: #4d7c0f;
    --primary-light: #84cc16;
    --primary-soft: #ecfccb;
    --accent: #2563eb;
    --accent-dark: #1d4ed8;
    --bg: #f7faf3;
    --card: #ffffff;
    --border: #e2e8d6;
    --text: #1c2a0e;
    --muted: #64748b;
    --success: #15803d;
    --error: #dc2626;
    --header-shadow: 0 4px 24px rgba(28, 42, 14, 0.08);
    --radius: 12px;
}

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

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    min-height: 100vh;
}

a {
    color: var(--primary-dark);
}

/* ── Header ── */

.header {
    background: var(--card);
    border-bottom: 3px solid var(--primary);
    box-shadow: var(--header-shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.875rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    text-decoration: none;
    color: inherit;
    min-width: 0;
    flex-shrink: 0;
}

.brand-logo {
    height: 52px;
    width: auto;
    max-width: 220px;
    object-fit: contain;
    display: block;
}

.brand-text {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
    min-width: 0;
}

.brand-subtitle {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary-dark);
    letter-spacing: 0.02em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--card);
    cursor: pointer;
    color: var(--primary-dark);
    flex-shrink: 0;
}

.nav-toggle svg {
    width: 22px;
    height: 22px;
}

.nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.nav a {
    color: var(--text);
    text-decoration: none;
    padding: 0.5rem 0.9rem;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    transition: background 0.2s, color 0.2s;
    white-space: nowrap;
}

.nav a:hover,
.nav a.active {
    background: var(--primary-soft);
    color: var(--primary-dark);
}

.nav-user {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 0.75rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary-dark);
}

.nav-user-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary);
    flex-shrink: 0;
}

.btn-logout {
    color: white;
    background: var(--primary);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    font-family: inherit;
    transition: background 0.2s;
    white-space: nowrap;
}

.btn-logout:hover {
    background: var(--primary-dark);
}

/* ── Layout ── */

.container {
    max-width: 1200px;
    margin: 1.75rem auto;
    padding: 0 1.5rem 3rem;
}

/* ── Alerts ── */

.alert {
    padding: 0.875rem 1.25rem;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.alert-success {
    background: #dcfce7;
    color: #14532d;
    border: 1px solid #bbf7d0;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

/* ── Cards ── */

.card {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: 0 2px 12px rgba(28, 42, 14, 0.06);
    border: 1px solid var(--border);
    overflow: hidden;
}

.card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    background: linear-gradient(to right, var(--primary-soft), transparent);
}

.card-header h2 {
    font-size: 1.15rem;
    color: var(--primary-dark);
    font-weight: 700;
}

.card-body {
    padding: 1.5rem;
}

.card-body-flush {
    padding: 0;
}

.empty-state {
    padding: 2.5rem 1.5rem;
    text-align: center;
    color: var(--muted);
}

.empty-state a {
    font-weight: 600;
}

.filters-bar {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
    background: var(--bg);
}

.filters-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr auto;
    gap: 1rem;
    align-items: end;
}

.filters-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.results-summary {
    padding: 0.75rem 1.5rem 0;
    font-size: 0.85rem;
    color: var(--muted);
    font-weight: 500;
}

/* ── Buttons ── */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.6rem 1.25rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
}

.btn-sm {
    padding: 0.4rem 0.75rem;
    font-size: 0.8rem;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-secondary {
    background: #f1f5f9;
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: #e2e8f0;
}

.btn-accent {
    background: var(--accent);
    color: white;
}

.btn-accent:hover {
    background: var(--accent-dark);
}

.btn-group {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* ── Forms ── */

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
}

.form-grid-full {
    grid-column: 1 / -1;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 0.4rem;
}

.form-group label .required {
    color: var(--error);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.65rem 0.8rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: inherit;
    background: var(--card);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(101, 163, 13, 0.18);
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

.form-group .error-msg {
    color: var(--error);
    font-size: 0.8rem;
    margin-top: 0.3rem;
}

.section-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin: 1.5rem 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary);
    grid-column: 1 / -1;
}

.section-title:first-child {
    margin-top: 0;
}

/* ── Tables ── */

.table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 640px;
}

th,
td {
    padding: 0.85rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

th {
    background: var(--primary-soft);
    font-weight: 700;
    color: var(--primary-dark);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    white-space: nowrap;
}

tbody tr:hover td {
    background: #fafdf6;
}

/* ── Details ── */

.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}

.detail-item {
    padding: 0.875rem 1rem;
    background: var(--bg);
    border-radius: 10px;
    border: 1px solid var(--border);
}

.detail-item .label {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.detail-item .value {
    font-size: 0.95rem;
    margin-top: 0.3rem;
    white-space: pre-wrap;
    color: var(--text);
}

/* ── Pagination ── */

.pagination {
    margin-top: 1.5rem;
    padding: 0 1rem 1.5rem;
    display: flex;
    justify-content: center;
}

/* ── Login page ── */

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    background:
        radial-gradient(circle at top right, rgba(101, 163, 13, 0.12), transparent 40%),
        var(--bg);
}

.login-card {
    width: 100%;
    max-width: 440px;
    background: var(--card);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(28, 42, 14, 0.1);
    border: 1px solid var(--border);
    overflow: hidden;
}

.login-header {
    padding: 2rem 1.75rem 1.5rem;
    text-align: center;
    border-bottom: 1px solid var(--border);
    background: linear-gradient(to bottom, var(--primary-soft), var(--card));
}

.login-logo {
    height: 64px;
    width: auto;
    max-width: 280px;
    object-fit: contain;
    margin: 0 auto 1rem;
    display: block;
}

.login-header h1 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary-dark);
}

.login-header p {
    font-size: 0.875rem;
    color: var(--muted);
    margin-top: 0.35rem;
}

.login-body {
    padding: 1.75rem 1.75rem 1.5rem;
}

.login-body .form-group {
    margin-bottom: 1.25rem;
}

.remember {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--muted);
    margin-bottom: 1.25rem;
}

.btn-login {
    width: 100%;
    padding: 0.8rem 1.25rem;
    border: none;
    border-radius: 10px;
    background: var(--primary);
    color: white;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.2s;
    font-family: inherit;
}

.btn-login:hover {
    background: var(--primary-dark);
}

/* ── Responsive ── */

@media (max-width: 768px) {
    .header-inner {
        flex-wrap: wrap;
    }

    .nav-toggle {
        display: inline-flex;
        margin-left: auto;
    }

    .nav {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 0.35rem;
        padding-top: 0.75rem;
        border-top: 1px solid var(--border);
    }

    .nav.is-open {
        display: flex;
    }

    .nav a,
    .nav-user,
    .btn-logout {
        width: 100%;
        text-align: center;
        justify-content: center;
    }

    .nav form {
        width: 100%;
    }

    .brand-logo {
        height: 44px;
        max-width: 180px;
    }

    .brand-subtitle {
        font-size: 0.72rem;
    }

    .container {
        margin-top: 1.25rem;
        padding: 0 1rem 2rem;
    }

    .card-header {
        flex-direction: column;
        align-items: stretch;
    }

    .filters-grid {
        grid-template-columns: 1fr;
    }

    .filters-actions {
        width: 100%;
    }

    .filters-actions .btn {
        flex: 1;
    }

    .card-header .btn-group,
    .card-header .btn {
        width: 100%;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .detail-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .brand-text {
        display: none;
    }

    .header-inner {
        padding: 0.75rem 1rem;
    }

    .login-header {
        padding: 1.5rem 1.25rem 1.25rem;
    }

    .login-body {
        padding: 1.5rem 1.25rem;
    }
}