/* =====================================================================
   THRE.F.NET Billing System — Design System
   Lapisan di atas Bootstrap 5. Semua halaman lama ikut berubah tanpa
   perlu diubah markup-nya.
   ===================================================================== */

:root {
    /* --- Panel rak jaringan --- */
    --ink:        #0F1B2D;
    --ink-2:      #16253B;
    --ink-3:      #1E3049;
    --ink-line:   #27405E;

    /* --- Kanvas --- */
    --canvas:     #F4F6FA;
    --surface:    #FFFFFF;
    --line:       #E3E8EF;
    --line-soft:  #EDF1F6;

    /* --- Teks --- */
    --text:       #16202E;
    --text-2:     #56657B;
    --text-3:     #8A97AA;

    /* --- Aksen: cahaya fiber --- */
    --accent:     #0B7A8F;
    --accent-600: #096A7D;
    --accent-100: #E2F4F7;
    --accent-lit: #22C7E0;

    /* --- Lampu status --- */
    --ok:         #15803D;
    --ok-bg:      #E7F6EC;
    --warn:       #B45309;
    --warn-bg:    #FDF3E3;
    --down:       #C02626;
    --down-bg:    #FDEBEB;
    --idle:       #64748B;
    --idle-bg:    #EEF1F5;

    --radius:     10px;
    --radius-sm:  7px;
    --shadow:     0 1px 2px rgba(15,27,45,.05), 0 1px 3px rgba(15,27,45,.04);
    --shadow-lg:  0 4px 12px rgba(15,27,45,.08), 0 1px 3px rgba(15,27,45,.05);

    --sidebar-w:  248px;
}

/* ===================== DASAR ===================== */

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--canvas);
    color: var(--text);
    font-size: 14px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

code, .mono, .font-mono {
    font-family: 'IBM Plex Mono', ui-monospace, SFMono-Regular, monospace;
    font-size: .875em;
    color: var(--accent-600);
    background: var(--accent-100);
    padding: .1em .4em;
    border-radius: 4px;
    letter-spacing: -.01em;
}

h1, h2, h3, h4, h5, h6 { font-weight: 700; letter-spacing: -.018em; color: var(--text); }
h4 { font-size: 1.3rem; }
h5 { font-size: 1.08rem; }
h6 { font-size: .93rem; }

a { color: var(--accent-600); text-decoration: none; }
a:hover { color: var(--accent); text-decoration: underline; }

.text-muted { color: var(--text-2) !important; }
.small, small { font-size: .82rem; }

:focus-visible {
    outline: 2px solid var(--accent-lit);
    outline-offset: 2px;
    border-radius: 4px;
}

/* ===================== KERANGKA ===================== */

.app { min-height: 100vh; }

.sidebar {
    width: min(88vw, 280px);
    background: var(--ink);
    color: #C6D2E2;
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 1040;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    overscroll-behavior: contain;
    transform: translateX(-100%);
    transition: transform .22s ease;
}

.main {
    min-width: 0;
    display: flex;
    flex-direction: column;
}

/* --- Merek --- */
.brand {
    padding: 20px 20px 18px;
    border-bottom: 1px solid var(--ink-line);
}
.brand-mark {
    display: flex; align-items: center; gap: 10px;
    color: #fff; font-weight: 800; font-size: 1.06rem;
    letter-spacing: -.02em; text-decoration: none;
}
.brand-mark:hover { color: #fff; text-decoration: none; }
.brand-dot {
    width: 9px; height: 9px; border-radius: 50%;
    background: var(--accent-lit);
    box-shadow: 0 0 0 3px rgba(34,199,224,.18);
    flex: 0 0 auto;
}
.brand-sub {
    font-size: .7rem; color: #7A8CA5; margin-top: 3px;
    letter-spacing: .04em; text-transform: uppercase; font-weight: 600;
}

/* --- Navigasi --- */
.nav-scroll { flex: 1 1 auto; padding: 14px 12px 20px; }

.nav-group + .nav-group { margin-top: 18px; }
.nav-label {
    font-size: .66rem; font-weight: 700; letter-spacing: .1em;
    text-transform: uppercase; color: #63758F;
    padding: 0 10px; margin-bottom: 6px;
}

.nav-item {
    display: flex; align-items: center; gap: 10px;
    padding: 8px 10px; border-radius: var(--radius-sm);
    color: #C6D2E2; font-size: .875rem; font-weight: 500;
    text-decoration: none; position: relative;
    transition: background .13s ease, color .13s ease;
}
.nav-item:hover { background: var(--ink-2); color: #fff; text-decoration: none; }
.nav-item.is-active { background: var(--ink-3); color: #fff; font-weight: 600; }
.nav-item.is-active::before {
    content: ''; position: absolute; left: -12px; top: 50%;
    transform: translateY(-50%);
    width: 3px; height: 18px; border-radius: 0 3px 3px 0;
    background: var(--accent-lit);
}
.nav-item svg { width: 17px; height: 17px; flex: 0 0 auto; opacity: .82; }
.nav-item.is-active svg { opacity: 1; }

.nav-count {
    margin-left: auto; font-size: .7rem; font-weight: 700;
    background: var(--down); color: #fff;
    min-width: 19px; height: 19px; padding: 0 6px;
    border-radius: 10px;
    display: inline-flex; align-items: center; justify-content: center;
}
.nav-count.is-quiet { background: var(--ink-3); color: #A9B8CC; }

/* --- Kaki sidebar --- */
.sidebar-foot {
    padding: 14px 16px; border-top: 1px solid var(--ink-line);
    display: flex; align-items: center; gap: 10px;
}
.avatar {
    width: 32px; height: 32px; border-radius: 8px; flex: 0 0 auto;
    background: var(--accent); color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: .8rem;
}
.who { min-width: 0; line-height: 1.25; }
.who-name { color: #fff; font-size: .82rem; font-weight: 600; }
.who-role { color: #7A8CA5; font-size: .7rem; text-transform: capitalize; }
.signout {
    margin-left: auto; background: none; border: 0; padding: 5px;
    color: #7A8CA5; border-radius: 6px; cursor: pointer; line-height: 0;
}
.signout:hover { color: #fff; background: var(--ink-2); }

/* ===================== TOPBAR ===================== */

.topbar {
    min-height: 58px; background: var(--surface);
    border-bottom: 1px solid var(--line);
    display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
    padding: 12px 14px; position: sticky; top: 0; z-index: 1020;
}
.page-title {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: -.015em;
    margin: 0;
    flex: 1 1 auto;
    min-width: 0;
}
.topbar-actions {
    flex: 1 0 100%;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.topbar-actions > * {
    min-width: 0;
}
.topbar-actions .btn,
.topbar-actions > a,
.topbar-actions > button {
    width: 100%;
    justify-content: center;
}

.burger {
    display: inline-flex; background: none; border: 1px solid var(--line);
    border-radius: var(--radius-sm); padding: 6px 8px; line-height: 0; cursor: pointer;
}

.content { padding: 14px; flex: 1 1 auto; }

/* ===================== KARTU ===================== */

.card {
    background: var(--surface);
    border: 1px solid var(--line) !important;
    border-radius: var(--radius) !important;
    box-shadow: var(--shadow) !important;
}
.card-header {
    background: var(--surface) !important;
    border-bottom: 1px solid var(--line-soft) !important;
    padding: 13px 16px;
    font-weight: 700; font-size: .9rem; letter-spacing: -.01em;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
}
.card-body { padding: 14px; }

/* --- Kartu metrik --- */
.metric { display: block; text-decoration: none; color: inherit; height: 100%; }
.metric:hover { text-decoration: none; color: inherit; }
.metric .card { transition: border-color .14s ease, box-shadow .14s ease, transform .14s ease; }
.metric:hover .card {
    border-color: #CBD5E1 !important;
    box-shadow: var(--shadow-lg) !important;
    transform: translateY(-1px);
}
.metric-label {
    font-size: .7rem; font-weight: 700; letter-spacing: .07em;
    text-transform: uppercase; color: var(--text-3);
}
.metric-value {
    font-size: 1.72rem; font-weight: 800; letter-spacing: -.03em;
    line-height: 1.12; margin-top: 5px; font-variant-numeric: tabular-nums;
}
.metric-value.is-money { font-size: 1.32rem; }
.metric-note { font-size: .76rem; color: var(--text-2); margin-top: 3px; }

/* ===================== STRIP TRIASE ===================== */

.triage {
    border-radius: var(--radius);
    border: 1px solid var(--line);
    background: var(--surface);
    box-shadow: var(--shadow);
    overflow: hidden;
    margin-bottom: 20px;
}
.triage-head {
    display: flex; align-items: center; gap: 9px;
    padding: 11px 16px;
    border-bottom: 1px solid var(--line-soft);
    font-weight: 700; font-size: .82rem;
    letter-spacing: .04em; text-transform: uppercase;
}
.triage.is-alert .triage-head { background: var(--down-bg); color: var(--down); }
.triage.is-clear .triage-head { background: var(--ok-bg);  color: var(--ok); }

.triage-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(232px, 1fr)); }
.triage-item {
    display: flex; align-items: flex-start; gap: 11px;
    padding: 13px 16px;
    border-right: 1px solid var(--line-soft);
    border-top: 1px solid var(--line-soft);
    text-decoration: none; color: inherit;
    transition: background .13s ease;
}
.triage-item:hover { background: #FAFBFD; text-decoration: none; color: inherit; }
.triage-item:first-child { border-top: 0; }
.triage-num {
    font-size: 1.28rem; font-weight: 800; line-height: 1;
    font-variant-numeric: tabular-nums; flex: 0 0 auto; min-width: 26px;
}
.triage-txt { min-width: 0; }
.triage-title { font-weight: 600; font-size: .85rem; }
.triage-sub { font-size: .76rem; color: var(--text-2); }
.triage-clear { padding: 15px 16px; color: var(--text-2); font-size: .87rem; }

/* ===================== LAMPU STATUS ===================== */

.dot {
    display: inline-block; width: 7px; height: 7px;
    border-radius: 50%; flex: 0 0 auto; margin-right: 6px;
    vertical-align: baseline;
}
.dot-ok   { background: var(--ok);   box-shadow: 0 0 0 2.5px var(--ok-bg); }
.dot-warn { background: var(--warn); box-shadow: 0 0 0 2.5px var(--warn-bg); }
.dot-down { background: var(--down); box-shadow: 0 0 0 2.5px var(--down-bg); }
.dot-idle { background: var(--idle); box-shadow: 0 0 0 2.5px var(--idle-bg); }

.dot-live { position: relative; }
.dot-live::after {
    content: ''; position: absolute; inset: 0; border-radius: 50%;
    background: currentColor; opacity: .45;
    animation: pulse 2.1s cubic-bezier(.4,0,.6,1) infinite;
}
@keyframes pulse { 0%,100% { transform: scale(1); opacity: .45; } 50% { transform: scale(2.3); opacity: 0; } }

/* ===================== LENCANA ===================== */

.badge {
    font-weight: 600 !important; font-size: .715rem !important;
    letter-spacing: .015em; padding: .33em .6em !important;
    border-radius: 5px !important; text-transform: capitalize;
}
.badge.bg-success   { background: var(--ok-bg)   !important; color: var(--ok)   !important; }
.badge.bg-danger    { background: var(--down-bg) !important; color: var(--down) !important; }
.badge.bg-warning   { background: var(--warn-bg) !important; color: var(--warn) !important; }
.badge.bg-secondary { background: var(--idle-bg) !important; color: var(--idle) !important; }
.badge.bg-primary   { background: var(--accent-100) !important; color: var(--accent-600) !important; }
.badge.bg-light     { background: var(--line-soft) !important; color: var(--text-2) !important; }
.badge.text-dark    { color: var(--warn) !important; }

/* ===================== TABEL ===================== */

.table { --bs-table-bg: transparent; margin-bottom: 0; color: var(--text); }
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: inherit;
}
.table > thead > tr > th {
    background: #FAFBFD !important;
    border-bottom: 1px solid var(--line) !important;
    font-size: .69rem; font-weight: 700;
    letter-spacing: .075em; text-transform: uppercase;
    color: var(--text-3); padding: 9px 12px; white-space: nowrap;
}
.table > tbody > tr > td {
    padding: 11px 12px;
    border-bottom: 1px solid var(--line-soft) !important;
    vertical-align: middle;
}
.table > tbody > tr:last-child > td { border-bottom: 0 !important; }
.table-hover > tbody > tr:hover > * {
    --bs-table-accent-bg: transparent;
    background: #F8FAFC !important;
}
.card > .table-responsive:first-child > .table > thead > tr > th:first-child { border-top-left-radius: var(--radius); }
.card > .table-responsive:first-child > .table > thead > tr > th:last-child  { border-top-right-radius: var(--radius); }

/* Angka rata kanan & lebar tetap */
.table td.text-end, .table th.text-end { font-variant-numeric: tabular-nums; }

/* ===================== TOMBOL ===================== */

.btn {
    font-weight: 600; font-size: .845rem;
    border-radius: var(--radius-sm); padding: .44rem .85rem;
    letter-spacing: -.005em;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: background .13s ease, border-color .13s ease, color .13s ease;
}
.btn-sm { font-size: .79rem; padding: .3rem .62rem; border-radius: 6px; }
.btn-lg { font-size: .95rem; padding: .6rem 1.1rem; }

.btn-primary {
    background: var(--accent); border-color: var(--accent); color: #fff;
}
.btn-primary:hover, .btn-primary:focus {
    background: var(--accent-600); border-color: var(--accent-600); color: #fff;
}
.btn-outline-primary { color: var(--accent-600); border-color: #B9DCE4; }
.btn-outline-primary:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

.btn-success { background: var(--ok); border-color: var(--ok); }
.btn-success:hover { background: #126D34; border-color: #126D34; }
.btn-outline-success { color: var(--ok); border-color: #B6DFC4; }
.btn-outline-success:hover { background: var(--ok); border-color: var(--ok); color: #fff; }

.btn-outline-danger { color: var(--down); border-color: #EFC0C0; }
.btn-outline-danger:hover { background: var(--down); border-color: var(--down); color: #fff; }

.btn-outline-secondary { color: var(--text-2); border-color: var(--line); background: var(--surface); }
.btn-outline-secondary:hover { background: #F1F4F8; border-color: #CBD5E1; color: var(--text); }

.btn-light { background: var(--surface); border-color: var(--line); color: var(--text); }
.btn-link { color: var(--text-2); font-weight: 500; }
.btn-link:hover { color: var(--text); }

/* ===================== FORM ===================== */

.form-label {
    font-size: .78rem; font-weight: 600;
    color: var(--text-2); margin-bottom: 5px;
}
.form-control, .form-select {
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    padding: .46rem .68rem;
    font-size: .875rem;
    color: var(--text);
    background-color: var(--surface);
    min-height: 42px;
    transition: border-color .13s ease, box-shadow .13s ease;
}
.form-control:focus, .form-select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(11,122,143,.11);
}
.form-control::placeholder { color: var(--text-3); }
.form-control-sm, .form-select-sm { padding: .32rem .58rem; font-size: .82rem; border-radius: 6px; }
.form-text { font-size: .765rem; color: var(--text-3); margin-top: 4px; }
.form-check-input:checked { background-color: var(--accent); border-color: var(--accent); }

/* ===================== ALERT ===================== */

.alert {
    border: 1px solid transparent;
    border-radius: var(--radius);
    padding: 11px 15px;
    font-size: .875rem;
    display: flex; align-items: flex-start; gap: 9px;
}
.alert-success   { background: var(--ok-bg);   border-color: #BFE3CB; color: #0F5F2C; }
.alert-danger    { background: var(--down-bg); border-color: #F0C4C4; color: #941E1E; }
.alert-warning   { background: var(--warn-bg); border-color: #EED7AE; color: #8A4409; }
.alert-info      { background: var(--accent-100); border-color: #BADEE5; color: var(--accent-600); }
.alert-secondary { background: var(--surface); border-color: var(--line); color: var(--text); }
.alert ul { padding-left: 18px; }

/* ===================== HALAMAN KOSONG ===================== */

.empty { padding: 40px 20px; text-align: center; }
.empty-icon {
    width: 40px; height: 40px; margin: 0 auto 12px;
    border-radius: 11px; background: var(--line-soft);
    display: flex; align-items: center; justify-content: center; color: var(--text-3);
}
.empty-title { font-weight: 700; font-size: .93rem; margin-bottom: 3px; }
.empty-text { color: var(--text-2); font-size: .85rem; max-width: 330px; margin: 0 auto 14px; }

/* ===================== LAIN-LAIN ===================== */

.progress { height: 6px; background: var(--line-soft); border-radius: 3px; }
.progress-bar { background: var(--accent); border-radius: 3px; }

.page-link { color: var(--accent-600); border-color: var(--line); font-size: .85rem; }
.page-item.active .page-link { background: var(--accent); border-color: var(--accent); }
.pagination { margin-bottom: 0; }

.dropdown-menu {
    border: 1px solid var(--line); border-radius: var(--radius);
    box-shadow: var(--shadow-lg); padding: 5px; font-size: .87rem;
}
.dropdown-item { border-radius: 6px; padding: .42rem .68rem; }
.dropdown-item:hover { background: var(--line-soft); }

hr { border-color: var(--line); opacity: 1; }

/* Baris tabel yang bisa diklik */
tr[onclick] { cursor: pointer; }

/* ===================== RESPONSIF ===================== */

.scrim {
    position: fixed; inset: 0; background: rgba(15,27,45,.45);
    z-index: 1035; opacity: 0; pointer-events: none;
    transition: opacity .2s ease;
}

body.nav-open .sidebar { transform: translateX(0); box-shadow: var(--shadow-lg); }
body.nav-open .scrim { opacity: 1; pointer-events: auto; }

.page-filters .form-control,
.page-filters .form-select,
.page-filters .btn {
    width: 100%;
}

@media (max-width: 767.98px) {
    .content > .row,
    .content form > .row {
        --bs-gutter-x: 12px;
        --bs-gutter-y: 12px;
    }
    .metric-value { font-size: 1.38rem; }
    .metric-value.is-money { font-size: 1.08rem; }
    .triage-list { grid-template-columns: 1fr; }
    .triage-item { border-right: 0; }
    .table-responsive {
        overflow: visible;
    }
    .mobile-card-table thead {
        display: none;
    }
    .mobile-card-table,
    .mobile-card-table tbody,
    .mobile-card-table tr,
    .mobile-card-table td {
        display: block;
        width: 100%;
    }
    .mobile-card-table tbody tr {
        padding: 12px 14px;
        border-bottom: 1px solid var(--line-soft);
        background: var(--surface);
    }
    .mobile-card-table tbody tr:last-child {
        border-bottom: 0;
    }
    .mobile-card-table tbody td {
        padding: 7px 0 !important;
        border: 0 !important;
        text-align: left !important;
        white-space: normal;
    }
    .mobile-card-table tbody td::before {
        content: attr(data-label);
        display: block;
        margin-bottom: 3px;
        font-size: .68rem;
        font-weight: 700;
        letter-spacing: .06em;
        text-transform: uppercase;
        color: var(--text-3);
    }
    .mobile-card-table tbody td.customer-actions {
        padding-top: 10px !important;
    }
    .mobile-card-table tbody td.customer-actions::before {
        margin-bottom: 8px;
    }
    .mobile-card-table tbody td.customer-actions a,
    .mobile-card-table tbody td.customer-actions form {
        display: inline-block;
        width: calc(50% - 6px);
        margin: 0 8px 8px 0;
        vertical-align: top;
    }
    .mobile-card-table tbody td.customer-actions a:nth-of-type(2n),
    .mobile-card-table tbody td.customer-actions form:nth-of-type(2n) {
        margin-right: 0;
    }
    .mobile-card-table tbody td.customer-actions .btn {
        width: 100%;
    }
    .mobile-card-table .text-nowrap {
        white-space: normal !important;
    }
}

@media (max-width: 479.98px) {
    .mobile-card-table tbody td.customer-actions a,
    .mobile-card-table tbody td.customer-actions form {
        width: 100%;
        margin-right: 0;
    }
}

@media (min-width: 768px) {
    .content { padding: 18px; }
    .topbar-actions {
        flex: 0 1 auto;
        width: auto;
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: flex-end;
    }
    .topbar-actions .btn,
    .topbar-actions > a,
    .topbar-actions > button {
        width: auto;
    }
}

@media (min-width: 992px) {
    .app { display: flex; }
    .sidebar {
        width: var(--sidebar-w);
        flex: 0 0 var(--sidebar-w);
        transform: translateX(0);
    }
    body.nav-open .sidebar { transform: translateX(0); box-shadow: var(--shadow-lg); }
    .main { flex: 1 1 auto; margin-left: var(--sidebar-w); }
    .burger { display: none; }
    .topbar {
        min-height: 58px;
        padding: 0 22px;
        gap: 14px;
        flex-wrap: nowrap;
    }
    .page-title { font-size: 1.02rem; }
    .content { padding: 22px; }
    .metric-value { font-size: 1.5rem; }
    .metric-value.is-money { font-size: 1.15rem; }
}

@media (min-width: 1400px) {
    .content { padding: 26px 30px; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: .001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .001ms !important;
    }
}

@media print {
    .sidebar, .topbar, .scrim, .btn, .pagination { display: none !important; }
    .main { margin-left: 0; }
    .card { box-shadow: none !important; border: 1px solid #ccc !important; }
}