:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-hover-bg: #eff6ff;
    --bg: #f4f6fb;
    --card-bg: #ffffff;
    --input-bg: #ffffff;
    --border: #e2e8f0;
    --text: #1e293b;
    --muted: #64748b;
    --radius: 10px;

    --success: #16a34a;
    --success-bg: #dcfce7;
    --danger: #dc2626;
    --danger-bg: #fee2e2;

    --warning-bg: #fef9c3;
    --warning-border: #fde047;
    --warning-text: #713f12;

    --track-bg: #e5e7eb;
    --th-bg: #eef2f7;
    --selected-bg: #dbeafe;
    --outside-bg: #f8fafc;

    --libur-bg: #f1f5f9;
    --belum-isi-bg: #fef2f2;
    --belum-isi-border: #fca5a5;
    --lainnya-bg: #f5f3ff;
    --lainnya-border: #a78bfa;
    --local-draft-bg: #fffbeb;
    --local-draft-border: #d97706;

    --overlay-bg: rgba(15, 23, 42, 0.5);
    --shadow-card: 0 10px 30px rgba(0,0,0,0.08);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);

    --toast-success-bg: #dcfce7;
    --toast-success-text: #166534;
    --toast-success-border: #86efac;
    --toast-error-bg: #fee2e2;
    --toast-error-text: #991b1b;
    --toast-error-border: #fca5a5;
}

/* ---------- Dark mode: mengikuti pengaturan sistem operasi ---------- */
@media (prefers-color-scheme: dark) {
    :root {
        --primary: #3b82f6;
        --primary-dark: #60a5fa;
        --primary-hover-bg: #1e3a5f;
        --bg: #0f172a;
        --card-bg: #1e293b;
        --input-bg: #273449;
        --border: #334155;
        --text: #e2e8f0;
        --muted: #94a3b8;

        --success: #4ade80;
        --success-bg: #14532d;
        --danger: #f87171;
        --danger-bg: #7f1d1d;

        --warning-bg: #422006;
        --warning-border: #a16207;
        --warning-text: #fde68a;

        --track-bg: #334155;
        --th-bg: #273449;
        --selected-bg: #1e40af;
        --outside-bg: #1a2436;

        --libur-bg: #1e293b;
        --belum-isi-bg: #451a1a;
        --belum-isi-border: #b91c1c;
        --lainnya-bg: #2e1a47;
        --lainnya-border: #8b5cf6;
        --local-draft-bg: #422006;
        --local-draft-border: #b45309;

        --overlay-bg: rgba(0, 0, 0, 0.65);
        --shadow-card: 0 10px 30px rgba(0,0,0,0.4);
        --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);

        --toast-success-bg: #14532d;
        --toast-success-text: #bbf7d0;
        --toast-success-border: #16a34a;
        --toast-error-bg: #7f1d1d;
        --toast-error-text: #fecaca;
        --toast-error-border: #dc2626;
    }
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
}

/* ---------- Auth pages ---------- */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-card {
    background: var(--card-bg);
    padding: 32px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    width: 100%;
    max-width: 380px;
}

.auth-card h1 { margin: 0 0 4px; font-size: 22px; }
.auth-card .subtitle { color: var(--muted); margin: 0 0 20px; font-size: 14px; }

.auth-card form { display: flex; flex-direction: column; gap: 6px; }
.auth-card label { font-size: 13px; font-weight: 600; margin-top: 10px; }
.auth-card input {
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 15px;
    background: var(--input-bg);
    color: var(--text);
}

.hint { font-size: 12px; color: var(--muted); margin-top: 16px; line-height: 1.5; }
.link-secondary { display: block; text-align: center; margin-top: 14px; color: var(--muted); font-size: 13px; }

.alert { padding: 10px 12px; border-radius: 8px; font-size: 13px; margin-bottom: 12px; }
.alert-error { background: var(--danger-bg); color: var(--danger); }

/* ---------- Buttons ---------- */
.btn {
    display: inline-block;
    padding: 10px 16px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
}
.btn-primary { background: var(--primary); color: white; margin-top: 16px; }
.btn:disabled, .btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }
.btn:disabled:hover, .btn-primary:disabled:hover { background: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); }
.btn-outline { background: transparent; border: 1px solid rgba(255,255,255,0.6); color: white; }
.btn-outline-dark {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 14px;
    border-radius: 8px;
    border: 1px solid var(--primary);
    color: var(--primary);
    background: transparent;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
}
.btn-outline-dark:hover { background: var(--primary-hover-bg); }
.btn-block { width: 100%; }

/* ---------- Topbar ---------- */
.topbar {
    background: var(--primary);
    color: white;
    padding: 14px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.topbar h1 { font-size: 18px; margin: 0; }
.topbar-subtext { font-size: 12px; color: rgba(255,255,255,0.8); margin-top: 2px; }

.container { max-width: 900px; margin: 0 auto; padding: 24px 16px 60px; }

.notice-box {
    background: var(--warning-bg);
    border: 1px solid var(--warning-border);
    color: var(--warning-text);
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 13px;
    margin-bottom: 16px;
}

/* ---------- Toast notifikasi (sukses/gagal submit & hapus) ---------- */
.toast-container {
    position: fixed;
    top: 16px;
    right: 16px;
    left: 16px;
    z-index: 300;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
    pointer-events: none;
}
.toast {
    pointer-events: auto;
    max-width: 360px;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    box-shadow: var(--shadow-card);
    border: 1px solid transparent;
    opacity: 1;
    transition: opacity 0.3s ease, transform 0.3s ease;
}
.toast.success {
    background: var(--toast-success-bg);
    color: var(--toast-success-text);
    border-color: var(--toast-success-border);
}
.toast.error {
    background: var(--toast-error-bg);
    color: var(--toast-error-text);
    border-color: var(--toast-error-border);
}

/* ---------- Filter bar (ringkas, 1 baris bahkan di mobile) ---------- */
.filter-bar {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    gap: 10px;
    background: var(--card-bg);
    padding: 10px 14px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
}
.filter-month-form { flex-shrink: 0; }
.filter-bar input[type="month"] {
    padding: 7px 8px;
    border-radius: 8px;
    border: 1px solid var(--border);
    font-size: 13px;
    width: 128px;
    cursor: pointer;
    background: var(--input-bg);
    color: var(--text);
    color-scheme: light dark;
}

.wpt-progress { flex: 1 1 auto; min-width: 0; }
.wpt-progress-track {
    background: var(--track-bg);
    border-radius: 999px;
    height: 8px;
    overflow: hidden;
}
.wpt-progress-fill {
    height: 100%;
    background: var(--primary);
    border-radius: 999px;
    width: 0%;
    transition: width 0.3s ease;
}
.wpt-progress-fill.MS { background: var(--success); }
.wpt-progress-fill.TMS { background: var(--danger); }
.wpt-progress-caption {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    color: var(--muted);
    margin-top: 4px;
    white-space: nowrap;
}
.wpt-status-badge {
    display: inline-block;
    padding: 1px 8px;
    border-radius: 20px;
    font-size: 10px;
    font-weight: 700;
}
.wpt-status-badge.MS { background: var(--success-bg); color: var(--success); }
.wpt-status-badge.TMS { background: var(--danger-bg); color: var(--danger); }

.btn-compact { flex-shrink: 0; padding: 7px 10px; font-size: 12px; }

/* ---------- Calendar grid ---------- */
.calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 10px;
    margin-bottom: 8px;
}
.calendar-weekdays div {
    text-align: center;
    font-size: 12px;
    font-weight: 700;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 10px;
}
.day-btn {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 6px;
    cursor: pointer;
    text-align: center;
    transition: 0.15s;
    color: var(--text);
}
.day-btn:hover { border-color: var(--primary); transform: translateY(-2px); }
.day-btn .day-number { font-size: 16px; font-weight: 700; }
.day-btn .day-wpt { display: block; font-size: 11px; color: var(--muted); margin-top: 4px; }
.day-btn.has-data { border-color: var(--success); background: var(--success-bg); }
.day-btn.has-local-draft { border-color: var(--local-draft-border); background: var(--local-draft-bg); }
.day-btn.day-libur { background: var(--libur-bg); border-color: var(--border); opacity: 0.85; }
.day-btn.day-belum-isi { border-color: var(--belum-isi-border); background: var(--belum-isi-bg); }
.day-btn.day-lainnya { border-color: var(--lainnya-border); background: var(--lainnya-bg); }
.day-btn.day-outside {
    background: var(--outside-bg);
    border-color: var(--border);
    opacity: 0.4;
    cursor: default;
}
.day-btn.day-outside:hover { transform: none; border-color: var(--border); }
.day-btn:disabled { cursor: not-allowed; }
.day-btn:disabled:hover { transform: none; border-color: var(--border); }

.loading-text, .muted { color: var(--muted); font-size: 13px; }

/* ---------- Panel tanggal terpilih (di bawah kalender) ---------- */
.selected-date-panel {
    margin-top: 20px;
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 16px 20px;
    box-shadow: var(--shadow-sm);
}
.sdp-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}
.sdp-header h2 { font-size: 16px; margin: 0; }
.sdp-header .btn { margin-top: 0; white-space: nowrap; }

.file-link {
    display: inline-block;
    font-size: 12px;
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}
.file-link:hover { text-decoration: underline; }

.upload-file-link {
    display: inline-block;
    font-size: 12px;
    color: var(--primary);
    font-weight: 600;
    cursor: pointer;
    padding: 3px 8px;
    border: 1px dashed var(--primary);
    border-radius: 6px;
}
.upload-file-link:hover { background: var(--primary-hover-bg); }

.btn-delete-row {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 14px;
    padding: 2px 6px;
    border-radius: 6px;
    line-height: 1;
}
.btn-delete-row:hover { background: var(--danger-bg); }

/* ---------- Modal ---------- */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--overlay-bg);
    align-items: flex-start;
    justify-content: center;
    padding: 30px 12px;
    overflow-y: auto;
    z-index: 100;
}
.modal-overlay.open { display: flex; }

.modal-box {
    background: var(--card-bg);
    border-radius: var(--radius);
    width: 100%;
    max-width: 640px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
}

.modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.modal-header h2 { font-size: 16px; margin: 0; color: var(--text); }
.modal-close { background: none; border: none; font-size: 22px; cursor: pointer; color: var(--muted); }

.modal-body { padding: 16px 20px; overflow-y: auto; }
.modal-section { margin-bottom: 20px; }
.modal-section h3 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.03em; color: var(--muted); margin-bottom: 8px; }

.breakdown-content { background: var(--outside-bg); border-radius: 8px; padding: 10px 12px; font-size: 13px; overflow-x: auto; color: var(--text); }

.breakdown-table { width: 100%; border-collapse: collapse; font-size: 12px; margin-top: 6px; }
.breakdown-table th, .breakdown-table td { border: 1px solid var(--border); padding: 6px 8px; text-align: left; }
.breakdown-table th { background: var(--th-bg); font-weight: 600; }

#searchAktifitas {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 8px;
    background: var(--input-bg);
    color: var(--text);
}
.aktifitas-list-wrapper { max-height: 260px; overflow-y: auto; border: 1px solid var(--border); border-radius: 8px; }
.aktifitas-item {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    font-size: 13px;
}
.aktifitas-item:last-child { border-bottom: none; }
.aktifitas-item:hover { background: var(--primary-hover-bg); }
.aktifitas-item.selected { background: var(--selected-bg); }
.aktifitas-item .aktifitas-nama { font-weight: 600; }
.aktifitas-item .aktifitas-meta { color: var(--muted); font-size: 11px; margin-top: 2px; }
.aktifitas-item .aktifitas-detail { color: var(--muted); font-size: 11px; margin-top: 3px; line-height: 1.4; }
.aktifitas-item .aktifitas-detail strong { color: var(--text); font-weight: 600; }

#aktifitasForm label { display: block; font-size: 13px; font-weight: 600; margin: 10px 0 4px; }
#aktifitasForm input, #aktifitasForm textarea, #aktifitasForm select {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    background: var(--input-bg);
    color: var(--text);
}
#modalBreakdownWrapper { margin-bottom: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.upload-progress-wrap { margin-top: 8px; }
.upload-progress-track {
    background: var(--track-bg);
    border-radius: 999px;
    height: 6px;
    overflow: hidden;
}
.upload-progress-fill {
    height: 100%;
    background: var(--primary);
    border-radius: 999px;
    width: 0%;
    transition: width 0.15s ease;
}
.upload-progress-fill.done { background: var(--success); }
.upload-progress-fill.error { background: var(--danger); }

#uploadStatus.status-error { color: var(--danger); }
#uploadStatus.status-success { color: var(--success); }

@media (max-width: 480px) {
    .filter-bar { padding: 8px 10px; gap: 6px; }
    .filter-bar input[type="month"] { width: 100px; padding: 6px 6px; font-size: 12px; }
    .wpt-progress-caption { font-size: 10px; gap: 4px; }
    .btn-compact { padding: 6px 8px; font-size: 11px; }
    .form-row { grid-template-columns: 1fr; }
    .calendar-grid, .calendar-weekdays { gap: 4px; }
    .day-btn { padding: 8px 2px; }
    .day-btn .day-number { font-size: 13px; }
    .day-btn .day-wpt { font-size: 9px; }
    .calendar-weekdays div { font-size: 10px; }
    .toast-container { left: 8px; right: 8px; top: 8px; align-items: stretch; }
    .toast { max-width: none; }
}