/* =========================================================
   RT & RW Iuran — Style utama
   Palet warna terinspirasi buku kas RT: hijau tua (kepercayaan/
   komunitas) + emas hangat (uang/iuran) + kertas kas putih gading.
   ========================================================= */

:root {
    --color-bg: #F5F7F4;
    --color-surface: #FFFFFF;
    --color-primary: #1F5D4E;
    --color-primary-dark: #143C32;
    --color-primary-light: #E7F0EC;
    --color-accent: #D9A441;
    --color-accent-dark: #B9852B;
    --color-text: #1C2422;
    --color-text-muted: #64756E;
    --color-border: #E2E6E1;
    --color-danger: #C0524B;
    --color-success: #2E8B57;
    --color-warning: #D9A441;

    --font-display: 'Sora', 'Segoe UI', sans-serif;
    --font-body: 'Inter', 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }

body {
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-text);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, .brand, .stat-value {
    font-family: var(--font-display);
    letter-spacing: -0.01em;
}

a { color: var(--color-primary); text-decoration: none; }

/* ---------- Layout shell ---------- */
.app-shell {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    flex-shrink: 0;
    background: var(--color-primary-dark);
    color: #EDF3F0;
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 22px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.brand-seal {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 14px;
    color: var(--color-accent);
    flex-shrink: 0;
}

.brand-text {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 15px;
    line-height: 1.25;
    color: #fff;
}

.brand-text small {
    display: block;
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 11px;
    color: rgba(237,243,240,0.6);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.sidebar-role {
    margin: 14px 20px 6px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(237,243,240,0.45);
}

.sidebar-nav {
    padding: 4px 12px 20px;
    flex: 1;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(237,243,240,0.82);
    padding: 10px 12px;
    border-radius: 8px;
    font-size: 14px;
    margin-bottom: 2px;
    transition: background 0.15s ease, color 0.15s ease;
}

.sidebar-nav a:hover {
    background: rgba(255,255,255,0.06);
    color: #fff;
}

.sidebar-nav a.active {
    background: var(--color-accent);
    color: #21301A;
    font-weight: 600;
}

.sidebar-nav .nav-icon {
    width: 18px;
    text-align: center;
    font-size: 15px;
}

.sidebar-foot {
    padding: 14px 20px 20px;
    border-top: 1px solid rgba(255,255,255,0.08);
}

.sidebar-foot .user-name {
    color: #fff;
    font-size: 13.5px;
    font-weight: 600;
    margin-bottom: 8px;
}

.btn-logout {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: rgba(237,243,240,0.75);
    border: 1px solid rgba(255,255,255,0.15);
    padding: 6px 12px;
    border-radius: 6px;
}

.btn-logout:hover { color: #fff; border-color: rgba(255,255,255,0.35); }

/* ---------- Main content ---------- */
.main-content {
    flex: 1;
    min-width: 0;
    padding: 28px 32px 48px;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 12px;
}

.page-title { font-size: 22px; font-weight: 600; margin: 0; }
.page-subtitle { color: var(--color-text-muted); font-size: 13.5px; margin-top: 2px; }

.topbar-date {
    font-size: 13px;
    color: var(--color-text-muted);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: 7px 14px;
    border-radius: 20px;
}

/* ---------- Cards ---------- */
.card-rt {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 20px;
}

.stat-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-top: 3px solid var(--color-primary);
    border-radius: 12px;
    padding: 18px 20px;
    height: 100%;
}

.stat-card.accent { border-top-color: var(--color-accent); }
.stat-card.warn { border-top-color: var(--color-warning); }
.stat-card.danger { border-top-color: var(--color-danger); }

.stat-label {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-muted);
    margin-bottom: 6px;
}

.stat-value {
    font-size: 26px;
    font-weight: 700;
    color: var(--color-primary-dark);
}

.stat-hint { font-size: 12px; color: var(--color-text-muted); margin-top: 4px; }

.section-title {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.section-title .dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--color-accent); display: inline-block;
}

/* ---------- Tables ---------- */
.table-rt {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 13.5px;
}

.table-rt thead th {
    text-align: left;
    font-size: 11.5px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    background: var(--color-primary-light);
    padding: 10px 14px;
    border-bottom: 1px solid var(--color-border);
}

.table-rt thead th:first-child { border-top-left-radius: 8px; }
.table-rt thead th:last-child { border-top-right-radius: 8px; }

.table-rt tbody td {
    padding: 11px 14px;
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
}

.table-rt tbody tr:last-child td { border-bottom: none; }
.table-rt tbody tr:hover { background: #FAFBF9; }

.badge-status {
    font-weight: 600;
    font-size: 11px;
    padding: 5px 10px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

/* ---------- Buttons ---------- */
.btn-rt-primary {
    background: var(--color-primary);
    border: 1px solid var(--color-primary);
    color: #fff;
    font-weight: 600;
    font-size: 13.5px;
    padding: 8px 18px;
    border-radius: 8px;
    transition: background 0.15s ease;
}

.btn-rt-primary:hover { background: var(--color-primary-dark); color: #fff; }

.btn-rt-accent {
    background: var(--color-accent);
    border: 1px solid var(--color-accent);
    color: #21301A;
    font-weight: 600;
    font-size: 13.5px;
    padding: 8px 18px;
    border-radius: 8px;
}

.btn-rt-accent:hover { background: var(--color-accent-dark); color: #21301A; }

.btn-rt-outline {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text);
    font-weight: 500;
    font-size: 13.5px;
    padding: 7px 16px;
    border-radius: 8px;
}

.btn-rt-outline:hover { border-color: var(--color-primary); color: var(--color-primary); }

/* ---------- Auth page ---------- */
.auth-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(160deg, var(--color-primary-dark) 0%, var(--color-primary) 55%, #2C7A63 100%);
    padding: 24px;
}

.auth-card {
    background: var(--color-surface);
    border-radius: 16px;
    width: 100%;
    max-width: 420px;
    padding: 34px 32px 30px;
    box-shadow: 0 30px 60px -20px rgba(0,0,0,0.35);
}

.auth-seal {
    width: 56px; height: 56px;
    border-radius: 50%;
    border: 2px solid var(--color-accent);
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--color-primary);
    margin: 0 auto 14px;
    font-size: 18px;
}

.form-label-rt {
    font-size: 12.5px;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 5px;
}

.form-control-rt {
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 10px 13px;
    font-size: 14px;
    width: 100%;
}

.form-control-rt:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

/* ---------- Auth tabs (Masuk Akun / Daftar Akun) ---------- */
.auth-tabs {
    display: flex;
    background: var(--color-primary-light);
    border-radius: 10px;
    padding: 4px;
    margin-bottom: 24px;
}

.auth-tab-btn {
    flex: 1;
    text-align: center;
    padding: 9px 10px;
    border: none;
    background: transparent;
    border-radius: 7px;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease;
}

.auth-tab-btn.active {
    background: var(--color-surface);
    color: var(--color-primary-dark);
    box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}

.auth-panel { display: none; }
.auth-panel.active { display: block; }

.auth-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

/* ---------- Utility ---------- */
.text-muted-rt { color: var(--color-text-muted); }
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--color-text-muted);
}

.progress-rt {
    height: 8px;
    background: var(--color-primary-light);
    border-radius: 20px;
    overflow: hidden;
}
.progress-rt > div {
    height: 100%;
    background: var(--color-accent);
    border-radius: 20px;
}

@media (max-width: 900px) {
    .app-shell { flex-direction: column; }
    .sidebar { width: 100%; height: auto; position: relative; }
    .main-content { padding: 20px; }
    .auth-grid-2 { grid-template-columns: 1fr; }
}