:root {
    --color-primary: #00A8A6;
    --color-primary-dark: #00807E;
    --color-success: #16A34A;
    --color-warning: #F59E0B;
    --color-danger: #DC2626;
    --color-text: #1F2937;
    --color-muted: #6B7280;
    --color-bg: #F9FAFB;
    --color-surface: #FFFFFF;
    --color-border: #E5E7EB;
    --radius: 10px;
    --shadow: 0 1px 3px rgba(0, 0, 0, .08), 0 1px 2px rgba(0, 0, 0, .04);
    --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.5;
}

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

a:hover {
    text-decoration: underline;
}

.container {
    width: 100%;
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 16px;
}

/* Header */
.app-header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 10;
}

.app-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}

.brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
}

.brand__img {
    height: 30px;
    width: auto;
    display: block;
}

.brand:hover {
    text-decoration: none;
}

.brand--center {
    display: block;
    text-align: center;
    margin-bottom: 20px;
}

.app-nav {
    display: flex;
    align-items: center;
    gap: 18px;
}

.app-nav a {
    color: var(--color-text);
    font-size: .95rem;
}

.inline-form {
    display: inline;
    margin: 0;
}

.app-main {
    padding: 28px 16px;
    min-height: calc(100vh - 60px - 60px);
}

.app-footer {
    border-top: 1px solid var(--color-border);
    background: var(--color-surface);
    padding: 20px 0;
    color: var(--color-muted);
    text-align: center;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 18px;
    border-radius: var(--radius);
    border: 1px solid transparent;
    background: var(--color-primary);
    color: #fff;
    font-size: .95rem;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
}

.btn:hover {
    text-decoration: none;
    opacity: .92;
}

.btn--block {
    display: block;
    width: 100%;
}

.btn--ghost {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-border);
}

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

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

/* Forms */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: .9rem;
    font-weight: 600;
}

.form-control {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: .95rem;
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 168, 166, .18);
}

.form-error {
    color: var(--color-danger);
    font-size: .82rem;
    margin-top: 4px;
}

/* Alerts */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 18px;
    font-size: .92rem;
}

.alert--success {
    background: #DCFCE7;
    color: #166534;
}

.alert--danger {
    background: #FEE2E2;
    color: #991B1B;
}

.alert--info {
    background: #DBEAFE;
    color: #1E40AF;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.alert--info > span {
    flex: 1;
    min-width: 220px;
}

/* Baris tombol ekspor di halaman transaksi */
.export-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    padding: 10px 16px;
    background: #F1F5F9;
    border: 1px dashed #CBD5E1;
    border-radius: var(--radius);
    font-size: .88rem;
    color: var(--color-muted);
}

.export-row__actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* Badge metode pembayaran aktif di halaman pilih paket */
.pay-method__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #ECFEFF, #F0FDFA);
    color: #0F766E;
    border: 1px solid #99F6E4;
    border-radius: 999px;
    padding: 6px 14px;
    font-size: .82rem;
    font-weight: 600;
}
.pay-method__badge i { font-size: .9rem; }

/* === Halaman bayar QRIS === */
.qris-page {
    max-width: 520px;
    margin: 24px auto;
}
.qris-card {
    text-align: center;
}
.qris-card__header h2 {
    margin: 0 0 4px;
    font-size: 1.3rem;
}
.qris-card__amount {
    background: linear-gradient(135deg, #ECFEFF, #DBEAFE);
    border: 1px dashed #14B8A6;
    border-radius: 14px;
    padding: 16px 18px;
    margin: 18px 0;
}
.qris-amount__label {
    font-size: .82rem;
    color: var(--color-muted);
    text-transform: uppercase;
    letter-spacing: .04em;
    font-weight: 600;
}
.qris-amount__value {
    font-size: 2rem;
    font-weight: 800;
    color: #0F766E;
    margin: 4px 0 6px;
    font-variant-numeric: tabular-nums;
}
.qris-amount__note {
    font-size: .8rem;
    color: var(--color-muted);
}
.qris-card__qr {
    margin: 22px auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}
.qris-img {
    width: 280px;
    max-width: 90%;
    height: auto;
    border: 1px solid var(--color-border);
    border-radius: 12px;
    background: #fff;
    padding: 10px;
}
.qris-card__instructions {
    text-align: left;
    background: #F9FAFB;
    border-radius: 10px;
    padding: 14px 16px;
    margin: 16px 0;
}
.qris-card__instructions h3 {
    margin: 0 0 6px;
    font-size: .95rem;
}
.qris-instructions {
    font-family: inherit;
    white-space: pre-wrap;
    word-wrap: break-word;
    margin: 0;
    font-size: .88rem;
    color: var(--color-muted);
    line-height: 1.55;
}
.qris-expiry {
    font-size: .85rem;
    color: var(--color-muted);
    margin-bottom: 12px;
}
.qris-countdown {
    color: #B91C1C;
    font-weight: 600;
}

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

/* ==========================================================================
   Auth — mobile-first, modern
   ========================================================================== */
.auth-body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    min-height: 100dvh;
    padding: 0;
    background:
        radial-gradient(1200px 600px at 50% -10%, rgba(0, 168, 166, .18), transparent 60%),
        linear-gradient(180deg, #E6FAF9 0%, var(--color-bg) 38%);
}

.auth-shell {
    width: 100%;
    max-width: 440px;
    margin: 0 auto;
    padding: 28px 20px calc(28px + env(safe-area-inset-bottom));
    display: flex;
    flex-direction: column;
    flex: 1;
}

/* Brand / hero */
.auth-hero {
    text-align: center;
    margin: 8px 0 24px;
}

.auth-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
    text-decoration: none;
}

.auth-logo__img {
    height: 52px;
    width: auto;
    display: block;
}

.auth-logo:hover {
    text-decoration: none;
}

.auth-hero h1 {
    font-size: 1.5rem;
    font-weight: 800;
    margin: 0 0 4px;
    letter-spacing: -.02em;
}

.auth-hero p {
    color: var(--color-muted);
    font-size: .92rem;
    margin: 0;
}

/* Card */
.auth-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    box-shadow: 0 12px 40px rgba(17, 24, 39, .10);
    padding: 22px;
    width: 100%;
}

.auth-card h1 {
    font-size: 1.25rem;
    margin: 0 0 6px;
}

.auth-card .subtitle {
    color: var(--color-muted);
    font-size: .9rem;
    margin: 0 0 18px;
}

/* Segmented tabs Masuk / Daftar */
.auth-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 14px;
    padding: 4px;
    margin-bottom: 20px;
}

.auth-tabs__btn {
    appearance: none;
    border: 0;
    background: transparent;
    padding: 10px 12px;
    border-radius: 10px;
    font-size: .92rem;
    font-weight: 600;
    color: var(--color-muted);
    cursor: pointer;
    transition: all .15s ease;
}

.auth-tabs__btn.is-active {
    background: var(--color-surface);
    color: var(--color-primary);
    box-shadow: var(--shadow);
}

.auth-pane {
    display: none;
}

.auth-pane.is-active {
    display: block;
    animation: authFade .2s ease;
}

@keyframes authFade {
    from { opacity: 0; transform: translateY(4px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Phone input with prefix */
.input-phone {
    display: flex;
    align-items: stretch;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color .15s, box-shadow .15s;
}

.input-phone:focus-within {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 168, 166, .18);
}

.input-phone__prefix {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 0 12px;
    background: var(--color-bg);
    border-right: 1px solid var(--color-border);
    font-size: .95rem;
    font-weight: 600;
    color: var(--color-text);
    white-space: nowrap;
}

.input-phone .form-control {
    border: 0;
    border-radius: 0;
    flex: 1;
}

.input-phone .form-control:focus {
    box-shadow: none;
}

/* Larger inputs/buttons for touch */
.auth-card .form-control {
    padding: 13px 14px;
    font-size: 1rem;
}

.auth-card .btn {
    padding: 14px 18px;
    font-size: 1rem;
    border-radius: 14px;
}

.auth-footer {
    margin-top: 18px;
    text-align: center;
    font-size: .9rem;
    color: var(--color-muted);
}

.auth-help {
    margin-top: 18px;
    font-size: .82rem;
    color: var(--color-muted);
    text-align: center;
    line-height: 1.5;
}

/* OTP code input */
.otp-input {
    text-align: center;
    letter-spacing: .5em;
    font-size: 1.6rem !important;
    font-weight: 700;
    padding-left: .5em !important;
}

@media (min-width: 480px) {
    .auth-shell {
        justify-content: center;
        padding-top: 40px;
    }
}

.text-muted {
    color: var(--color-muted);
}

.mt-2 {
    margin-top: 8px;
}

.mt-4 {
    margin-top: 16px;
}

/* Page head */
.page-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
    font-size: .92rem;
}

.table th,
.table td {
    padding: 10px 8px;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.table thead th {
    color: var(--color-muted);
    font-weight: 600;
    font-size: .82rem;
    text-transform: uppercase;
    letter-spacing: .03em;
}

.text-right {
    text-align: right;
}

.text-center {
    text-align: center;
}

.text-success {
    color: var(--color-success);
}

.text-danger {
    color: var(--color-danger);
}

.text-warning {
    color: var(--color-warning);
}

.link-danger {
    background: none;
    border: none;
    color: var(--color-danger);
    cursor: pointer;
    font-size: inherit;
    padding: 0;
    margin-left: 8px;
}

.link-danger:hover {
    text-decoration: underline;
}

/* Filter form */
.filter-form {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.filter-form .form-control {
    width: auto;
    flex: 1 1 140px;
}

/* Progress bar */
.progress {
    height: 10px;
    background: var(--color-border);
    border-radius: 999px;
    overflow: hidden;
    margin: 6px 0;
}

.progress__bar {
    height: 100%;
    background: var(--color-primary);
    border-radius: 999px;
    transition: width .3s ease;
}

/* Budget item */
.budget-item {
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
}

.budget-item:last-child {
    border-bottom: none;
}

.budget-item__head,
.budget-item__foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
}

/* Stat grid */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.stat__value {
    font-size: 1.4rem;
}

h2 {
    font-size: 1.1rem;
    margin: 0 0 14px;
}

/* Utility */
.hidden {
    display: none;
}

/* Badge */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: .72rem;
    font-weight: 600;
    background: var(--color-border);
    color: var(--color-text);
    margin-left: 4px;
}

.badge--success {
    background: #DCFCE7;
    color: var(--color-success);
}

.badge--muted {
    background: #F3F4F6;
    color: var(--color-muted);
}

/* AI Provider list */
.provider-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.provider-actions {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.provider-meta {
    margin: 8px 0 0;
    font-size: .85rem;
}

.provider-meta code {
    background: #F3F4F6;
    padding: 1px 5px;
    border-radius: 4px;
    font-size: .85em;
}

/* Form row & checkbox */
.form-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.form-row > label {
    flex: 1 1 160px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 10px 0;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
}

/* AI quick input */
.ai-quick__form {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.ai-quick__form .form-control {
    flex: 1 1 280px;
}

/* Plan cards */
.plan-was {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 4px 0 0;
    flex-wrap: wrap;
}

.plan-was__strike {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-muted);
    text-decoration: line-through;
}

.plan-off {
    font-size: .72rem;
    font-weight: 700;
    color: #fff;
    background: #DC2626;
    padding: 2px 8px;
    border-radius: 999px;
    letter-spacing: .02em;
}

.plan-price {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-primary);
    margin: 4px 0 12px;
}

.plan-price span {
    font-size: .85rem;
    font-weight: 400;
    color: var(--color-muted);
}

.plan-features {
    list-style: none;
    padding: 0;
    margin: 0 0 16px;
}

.plan-features li {
    padding: 5px 0 5px 22px;
    position: relative;
    font-size: .92rem;
}

.plan-features li::before {
    content: "\f00c"; /* fa-check */
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-size: .85rem;
    top: 8px;
}

.btn--block {
    display: block;
    width: 100%;
    text-align: center;
}

.mb-2 {
    display: block;
    margin-bottom: 10px;
}

/* Promo & rekomendasi hemat */
.page-head__actions { display:flex; gap:8px; align-items:center; flex-wrap:wrap; }
.section-title { margin:24px 0 12px; font-size:1.05rem; }
.saving-banner { display:flex; align-items:center; justify-content:space-between; gap:12px; background:linear-gradient(135deg,#16A34A,#15803D); color:#fff; padding:16px 20px; border-radius:12px; margin:12px 0; flex-wrap:wrap; }
.saving-banner strong { font-size:1.5rem; }
.promo-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(220px,1fr)); gap:14px; }
.promo-card { display:flex; flex-direction:column; justify-content:space-between; border:1px solid #E5E7EB; border-radius:12px; padding:16px; background:#fff; }
.promo-card__body h3 { margin:0 0 6px; font-size:1rem; }
.promo-card__saving { margin:8px 0 4px; color:#15803D; }
.promo-card__saving strong { font-size:1.1rem; }
.promo-card__actions { margin-top:12px; display:flex; flex-direction:column; gap:6px; }
.flyer-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(240px,1fr)); gap:16px; }
.flyer-card { border:1px solid #E5E7EB; border-radius:12px; overflow:hidden; background:#fff; }
.flyer-card__img img { width:100%; display:block; aspect-ratio:3/4; object-fit:cover; background:#F3F4F6; }
.flyer-card__body { padding:14px; }
.flyer-card__body h3 { margin:0 0 6px; font-size:1rem; }
.empty-state { border:1px dashed #D1D5DB; border-radius:12px; padding:24px; text-align:center; color:#6B7280; }
.small { font-size:.82rem; }

/* Admin dashboard & manajemen */
.stat-card { display:flex; flex-direction:column; gap:4px; border:1px solid #E5E7EB; border-radius:12px; padding:16px 18px; background:#fff; }
.stat-card__label { font-size:.8rem; color:#6B7280; }
.stat-card__value { font-size:1.5rem; font-weight:700; color:#111827; }
.stat-card__hint { font-size:.75rem; color:#16A34A; }
.plan-dist { display:flex; gap:24px; flex-wrap:wrap; }
.plan-dist__item { display:flex; flex-direction:column; align-items:center; min-width:90px; }
.plan-dist__count { font-size:1.6rem; font-weight:700; color:#16A34A; }
.plan-dist__label { font-size:.82rem; color:#6B7280; }
.admin-cols { display:grid; grid-template-columns:repeat(auto-fit,minmax(300px,1fr)); gap:16px; }
.list-row { display:flex; align-items:center; justify-content:space-between; gap:12px; padding:10px 0; border-bottom:1px solid #F3F4F6; }
.list-row:last-of-type { border-bottom:none; }
.list-row strong { display:block; }
.list-row__right { text-align:right; }
.link-more { display:inline-block; margin-top:10px; font-size:.85rem; color:#16A34A; text-decoration:none; }
.link-more:hover { text-decoration:underline; }
.filter-bar { display:flex; gap:8px; flex-wrap:wrap; margin:12px 0; }
.filter-bar input, .filter-bar select { padding:8px 10px; border:1px solid #D1D5DB; border-radius:8px; }
.filter-bar input { flex:1 1 220px; }
.table__actions { display:flex; gap:6px; white-space:nowrap; }
.btn--sm { padding:4px 10px; font-size:.8rem; }
.pagination-wrap { margin-top:16px; }
.form-group { margin-bottom:14px; }
.form-group label { display:block; font-size:.85rem; font-weight:600; margin-bottom:4px; }
.form-group input, .form-group select { width:100%; padding:9px 11px; border:1px solid #D1D5DB; border-radius:8px; }
.badge--paid { background:#DCFCE7; color:#15803D; }
.badge--pending { background:#FEF3C7; color:#B45309; }
.badge--expired, .badge--failed { background:#FEE2E2; color:#B91C1C; }
.alert--error { background:#FEE2E2; color:#B91C1C; border-radius:8px; padding:10px 14px; margin:10px 0; }
/* Bar chart sederhana */
.bar-chart { display:flex; gap:16px; align-items:flex-end; padding:12px 0; min-height:160px; }
.bar-chart__col { display:flex; flex-direction:column; align-items:center; gap:4px; flex:1; }
.bar-chart__bar { width:70%; max-width:48px; background:linear-gradient(180deg,#22C55E,#15803D); border-radius:6px 6px 0 0; }
.bar-chart__val { font-size:.75rem; font-weight:600; color:#15803D; }
.bar-chart__label { font-size:.72rem; color:#6B7280; }

/* Pemakaian kuota (langganan) */
.usage-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:18px; }
.usage-item__head { display:flex; justify-content:space-between; align-items:center; margin-bottom:6px; font-size:.9rem; }
.usage-bar { height:8px; border-radius:999px; background:#F3F4F6; overflow:hidden; }
.usage-bar__fill { height:100%; border-radius:999px; transition:width .3s; }

/* Thumbnail flyer di panel admin */
.flyer-row { display:flex; gap:16px; align-items:flex-start; }
.flyer-thumb { width:120px; height:160px; object-fit:cover; border-radius:8px; border:1px solid #E5E7EB; background:#F3F4F6; flex-shrink:0; }
.flyer-info { flex:1; min-width:0; }
@media (max-width:640px) { .flyer-row { flex-direction:column; } .flyer-thumb { width:100%; height:auto; aspect-ratio:3/4; } }