/* =====================================================
   SIAKAD — Tema "TANSEI"
   Referensi: University of Tokyo × Kyoto University
   Biru Tansei · Kuning Emas · Putih Bersih · Antrasit
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400;0,500;0,600;0,700;1,400;1,600;1,700&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    /* ── Biru Tansei (UTokyo school color) ── */
    --tansei:       #3a7fc1;   /* biru langit resmi */
    --tansei-dark:  #2563a0;
    --tansei-deep:  #1a4a7a;
    --tansei-mid:   #5a9fd4;
    --tansei-light: #a8cce8;
    --tansei-pale:  #e8f3fb;
    --tansei-bg:    #f0f7fd;

    /* ── Kuning Emas UTokyo ── */
    --gold:         #f5a800;
    --warn:         #d48f00;
    --gold-dark:    #d48f00;
    --gold-light:   #fdd96a;
    --gold-pale:    #fff8e1;

    /* ── Kyoto nousei (aksen biru tua) ── */
    --nousei:       #1e3560;
    --nousei-mid:   #2a4a7f;

    /* ── Tinta & Kertas ── */
    --ink:          #1a1a2a;
    --ink-mid:      #38384a;
    --ink-soft:     #64647a;
    --ink-dim:      #9999aa;
    --paper:        #ffffff;
    --paper-off:    #fafafa;
    --paper-2:      #f4f4f2;   /* abu-abu muda UTokyo */
    --paper-3:      #ececea;

    /* ── Garis ── */
    --line:         #e4e4e0;
    --line-mid:     #d0d0cc;
    --line-strong:  #b8b8b4;

    /* ── Status ── */
    --ok:           #2d7a4f;
    --ok-bg:        #e8f5ee;
    --ok-br:        #9fd4b8;
    --danger:       #c0392b;
    --danger-bg:    #fdecea;
    --danger-br:    #f0aaaa;

    /* ── Alias kompatibilitas kode lama ── */
    --navy:         var(--nousei);
    --navy-mid:     var(--nousei-mid);
    --navy-soft:    var(--tansei-deep);
    --navy-pale:    var(--tansei-pale);
    --todai:        var(--tansei);
    --todai-dark:   var(--tansei-dark);
    --todai-soft:   var(--tansei-pale);
    --gold-bright:  var(--gold);
    --gold-light:   #fdd96a;
    --ink-soft:     #64647a;
    --line-strong:  var(--line-mid);
    --bg2:          var(--paper-2);
    --cyan-soft:    var(--tansei-mid);
    --crimson:      #c0392b;
    --danger-bg:    #fdecea;
    --danger-br:    #f0aaaa;
    --ok-br:        #9fd4b8;

    /* ── Tipografi ── */
    --serif: 'Lora', Georgia, serif;
    --sans:  'Inter', system-ui, sans-serif;

    /* ── Radius & Bayangan ── */
    --r-sm:  4px;
    --r-md:  8px;
    --r-lg:  12px;
    --shadow-sm:  0 1px 3px rgba(26,26,42,.06), 0 1px 2px rgba(26,26,42,.04);
    --shadow-md:  0 4px 16px rgba(26,26,42,.08), 0 2px 6px rgba(26,26,42,.04);
    --shadow-lg:  0 12px 36px rgba(26,26,42,.12), 0 4px 12px rgba(26,26,42,.06);
}

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

body {
    font-family: var(--sans);
    background: var(--paper-off);
    color: var(--ink);
    min-height: 100vh;
    line-height: 1.65;
    display: flex;
    flex-direction: column;
    font-size: 15px;
}
.wrap { flex: 1 0 auto; }
.footer { flex-shrink: 0; }

/* =====================================================
   HERO / MASTHEAD DASHBOARD
   ===================================================== */
.hero {
    background: var(--nousei);
    padding: 28px 5vw 24px;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: "";
    position: absolute; inset: 0;
    background: url('https://images.unsplash.com/photo-1541339907198-e08756dedf3f?w=1400&q=55&auto=format&fit=crop') center/cover no-repeat;
    opacity: .08;
}
.hero::after {
    content: "";
    position: absolute; inset: 0;
    background: linear-gradient(to right, rgba(30,53,96,.97) 0%, rgba(30,53,96,.7) 60%, rgba(30,53,96,.3) 100%);
}
.hero-rule { height: 3px; background: linear-gradient(90deg, var(--gold) 0%, var(--gold-light) 50%, transparent 100%); }
.hero .tag {
    position: relative; z-index: 2;
    display: inline-block;
    font-family: var(--sans);
    color: var(--tansei-light);
    letter-spacing: 3px;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 10px;
    opacity: .9;
}
.hero h1 {
    position: relative; z-index: 2;
    font-family: var(--serif);
    font-weight: 700;
    font-size: clamp(26px, 4vw, 44px);
    line-height: 1.12;
    color: #fff;
    letter-spacing: .2px;
    margin-bottom: 6px;
}
.hero h1 span, .hero h1 em { color: var(--gold); font-style: italic; }
.hero .stars {
    position: relative; z-index: 2;
    color: rgba(255,255,255,.48);
    font-size: 12.5px;
}

/* =====================================================
   NAVBAR DASHBOARD
   ===================================================== */
.nav {
    display: flex;
    align-items: stretch;
    flex-wrap: wrap;
    background: var(--nousei-mid);
    border-bottom: 3px solid var(--gold);
    position: sticky; top: 0; z-index: 200;
    box-shadow: 0 2px 14px rgba(26,26,42,.22);
}
.nav a {
    padding: 13px 17px;
    color: rgba(255,255,255,.6);
    text-decoration: none;
    font-family: var(--sans);
    font-weight: 500;
    font-size: 13px;
    letter-spacing: .2px;
    transition: all .16s;
    border-bottom: 3px solid transparent;
    margin-bottom: -3px;
    white-space: nowrap;
}
.nav a:hover { color: #fff; background: rgba(255,255,255,.05); }
.nav a.active { color: var(--gold-light); border-bottom-color: var(--gold); background: rgba(245,168,0,.1); }
.nav .spacer { flex: 1 1 auto; }
.nav .userinfo {
    display: flex; align-items: center; gap: 8px;
    padding: 0 16px;
    color: rgba(255,255,255,.35);
    font-size: 12px;
    white-space: nowrap;
}
.nav .userinfo .dot { width:6px; height:6px; border-radius:50%; background:var(--gold); flex-shrink:0; }
.nav .logout {
    background: #8b2020;
    color: rgba(255,255,255,.85) !important;
    font-weight: 600;
    border-bottom: none !important;
    padding: 13px 20px;
    transition: background .16s;
}
.nav .logout:hover { background: #6e1818; color: #fff !important; }
.nav-logo {
    display: flex; align-items: center; gap: 9px;
    padding: 0 16px;
    border-right: 1px solid rgba(255,255,255,.08);
    text-decoration: none !important;
    border-bottom: none !important;
    background: rgba(245,168,0,.06) !important;
}
.nav-logo-crest {
    width: 28px; height: 28px;
    border: 1.5px solid var(--gold);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: var(--gold);
    font-family: var(--serif);
    font-size: 14px; font-weight: 700; font-style: italic;
}
.nav-logo span { color: rgba(255,255,255,.42) !important; font-size: 10.5px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; }

/* =====================================================
   NAVBAR PUBLIK DUA BARIS — UTokyo style
   Baris atas : logo + search + hubungi kami + daftar
   Baris bawah: menu + strip emas masuk portal
   ===================================================== */

/* ── Baris atas ── */
.nav-top {
    background: #fff;
    border-bottom: 1px solid var(--line);
    display: flex;
    align-items: center;
    padding: 0 3vw;
    height: 72px;
    gap: 16px;
    z-index: 201;
    box-shadow: 0 1px 0 var(--line);
}
.nav-top-logo {
    display: flex; align-items: center;
    text-decoration: none; flex-shrink: 0;
    margin-right: 8px;
}
.nav-top-logo-img {
    height: 48px; width: auto;
    display: block;
}
/* Placeholder logo sementara */
.nav-top-logo-placeholder {
    display: flex; align-items: center; gap: 10px;
}
.nav-top-logo-crest {
    width: 44px; height: 44px;
    border: 2px solid var(--tansei);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: var(--tansei);
    font-family: var(--serif);
    font-size: 20px; font-weight: 700; font-style: italic;
    flex-shrink: 0;
}
.nav-top-logo-name {
    font-family: var(--serif);
    font-size: 15px; font-weight: 700;
    color: var(--ink); line-height: 1.15;
    white-space: nowrap;
}
.nav-top-logo-sub {
    font-size: 9px; color: var(--ink-soft);
    letter-spacing: 1.2px; text-transform: uppercase;
    line-height: 1.3;
}
.nav-top-spacer { flex: 1; }
/* Search bar */
.nav-top-search {
    display: flex; align-items: center;
    border: 1.5px solid var(--line-mid);
    border-radius: 30px;
    overflow: hidden;
    height: 36px;
    transition: border-color .15s;
}
.nav-top-search:focus-within { border-color: var(--tansei); }
.nav-top-search-input {
    border: none; outline: none;
    padding: 0 14px;
    font-family: var(--sans);
    font-size: 13px; color: var(--ink);
    background: transparent;
    width: 180px;
}
.nav-top-search-input::placeholder { color: var(--ink-dim); }
.nav-top-search-btn {
    border: none; background: var(--tansei);
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; color: #fff;
    flex-shrink: 0; transition: background .15s;
}
.nav-top-search-btn:hover { background: var(--tansei-dark); }
/* Tombol Hubungi Kami */
.nav-top-contact {
    display: flex; align-items: center;
    padding: 0 16px; height: 36px;
    border: 1.5px solid var(--line-mid);
    border-radius: 4px;
    font-size: 12.5px; font-weight: 500;
    color: var(--ink-mid);
    text-decoration: none;
    white-space: nowrap;
    transition: all .15s;
    flex-shrink: 0;
}
.nav-top-contact:hover { border-color: var(--tansei); color: var(--tansei); }
/* Tombol Daftar */
.nav-top-daftar {
    display: flex; align-items: center;
    padding: 0 16px; height: 36px;
    background: var(--tansei-pale);
    border: 1.5px solid var(--tansei-light);
    border-radius: 4px;
    font-size: 12.5px; font-weight: 600;
    color: var(--tansei-dark);
    text-decoration: none;
    white-space: nowrap;
    transition: all .15s;
    flex-shrink: 0;
}
.nav-top-daftar:hover { background: var(--tansei-bg); border-color: var(--tansei); }

/* Tombol bahasa globe */
.nav-top-lang {
    display: flex; align-items: center; gap: 5px;
    padding: 0 14px; height: 36px;
    border: 1.5px solid var(--line-mid);
    border-radius: 4px;
    font-size: 12.5px; font-weight: 600;
    color: var(--ink-mid);
    cursor: pointer;
    white-space: nowrap;
    transition: all .15s;
    flex-shrink: 0;
    user-select: none;
}
.nav-top-lang:hover { border-color: var(--tansei); color: var(--tansei); }
.nav-top-lang svg { flex-shrink: 0; }


/* ── Baris bawah ── */
.nav-bottom {
    background: var(--tansei);
    display: flex;
    align-items: stretch;
    z-index: 200;
    box-shadow: 0 2px 8px rgba(26,26,42,.15);
}
.nav-bottom-links {
    display: flex; align-items: stretch; flex: 1;
}
.nav-bottom-links a {
    display: flex; align-items: center;
    padding: 0 22px;
    height: 46px;
    font-size: 13px; font-weight: 500;
    color: rgba(255,255,255,.75);
    text-decoration: none;
    border-bottom: 3px solid transparent;
    white-space: nowrap;
    transition: all .15s;
}
.nav-bottom-links a:hover {
    color: #fff;
    background: rgba(255,255,255,.1);
}
.nav-bottom-links a.active {
    color: #fff;
    font-weight: 700;
    border-bottom-color: var(--gold);
    background: rgba(255,255,255,.1);
}
/* Strip emas kanan — persis UTokyo FOCUS */
.nav-bottom-portal {
    display: flex; align-items: center; gap: 8px;
    padding: 0 26px;
    background: var(--gold);
    color: var(--nousei);
    font-size: 13px; font-weight: 700;
    text-decoration: none;
    white-space: nowrap;
    letter-spacing: .2px;
    transition: background .15s;
    flex-shrink: 0;
}
.nav-bottom-portal:hover { background: var(--gold-dark); }

@media (max-width: 860px) {
    .nav-top-search-input { width: 120px; }
    .nav-bottom-links a { padding: 0 14px; font-size: 12px; }
}
@media (max-width: 640px) {
    .nav-top { padding: 0 4vw; gap: 10px; }
    .nav-top-search { display: none; }
    .nav-top-contact { display: none; }
    .nav-top-logo-sub { display: none; }
    .nav-bottom-links a { padding: 0 12px; font-size: 12px; }
}

/* =====================================================
   LAYOUT
   ===================================================== */
.wrap {
    max-width: 1180px;
    margin: 0 auto;
    padding: 44px 28px 90px;
}
.page-title {
    font-family: var(--serif);
    font-weight: 700;
    font-size: clamp(22px, 3.2vw, 34px);
    color: var(--ink);
    letter-spacing: .1px;
    margin-bottom: 4px;
    line-height: 1.2;
}
.page-title .accent { color: var(--tansei); font-style: italic; }
.subtitle {
    color: var(--ink-soft);
    font-size: 13.5px;
    margin-bottom: 28px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--line);
}
.welcome-line {
    display: inline-block;
    color: var(--tansei);
    font-weight: 600;
    font-size: 10.5px;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 8px;
    padding-bottom: 3px;
    border-bottom: 1px solid var(--tansei-light);
}

/* =====================================================
   PANEL / CARD
   ===================================================== */
.panel {
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    padding: 28px 30px;
    box-shadow: var(--shadow-sm);
}

/* =====================================================
   DASHBOARD STAT CARDS
   ===================================================== */
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px,1fr));
    gap: 16px;
    margin-bottom: 28px;
}
.stat {
    background: var(--paper);
    border: 1px solid var(--line);
    border-top: 3px solid var(--tansei);
    border-radius: var(--r-lg);
    padding: 22px 24px;
    box-shadow: var(--shadow-sm);
    transition: transform .2s, box-shadow .2s;
    position: relative; overflow: hidden;
}
.stat:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.stat::after {
    content: "§";
    position: absolute; right: 14px; bottom: 8px;
    font-family: var(--serif);
    font-size: 32px; color: var(--tansei-pale);
    pointer-events: none; line-height: 1;
}
.stat .num {
    font-family: var(--serif);
    font-weight: 700;
    font-size: 38px;
    color: var(--ink);
    line-height: 1;
    margin-bottom: 6px;
}
.stat .lbl {
    color: var(--ink-soft);
    font-size: 11px; font-weight: 600;
    text-transform: uppercase; letter-spacing: .8px;
}

/* =====================================================
   TABLE
   ===================================================== */
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
thead th {
    background: var(--paper-2);
    color: var(--ink-soft);
    text-transform: uppercase;
    letter-spacing: .8px; font-size: 10.5px; font-weight: 700;
    padding: 11px 16px; text-align: left;
    border-bottom: 2px solid var(--tansei);
}
tbody td { padding: 13px 16px; border-bottom: 1px solid var(--line); color: var(--ink); vertical-align: middle; }
tbody tr:last-child td { border-bottom: none; }
tbody tr { transition: background .12s; }
tbody tr:hover { background: var(--tansei-bg); }
.code-cell { font-family: var(--serif); font-weight: 600; color: var(--tansei-dark); font-size: 14px; }

/* =====================================================
   BADGE
   ===================================================== */
.badge {
    display: inline-block; padding: 3px 10px;
    border-radius: 3px; font-size: 11px; font-weight: 700;
    letter-spacing: .3px; text-transform: uppercase;
}
.badge.aktif    { background: var(--ok-bg);    color: var(--ok);     border: 1px solid var(--ok-br); }
.badge.nonaktif { background: var(--danger-bg); color: var(--danger); border: 1px solid var(--danger-br); }

/* =====================================================
   BUTTONS
   ===================================================== */
.btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 9px 20px;
    border: 1px solid transparent;
    border-radius: var(--r-sm);
    font-family: var(--sans); font-weight: 600;
    font-size: 13px; letter-spacing: .2px;
    text-decoration: none; cursor: pointer;
    transition: all .16s; white-space: nowrap;
}
.btn-primary {
    background: var(--tansei);
    color: #fff;
    box-shadow: 0 2px 8px rgba(58,127,193,.25);
}
.btn-primary:hover { background: var(--tansei-dark); transform: translateY(-1px); box-shadow: 0 4px 14px rgba(58,127,193,.35); }
.btn-ghost { background: var(--paper); color: var(--tansei-dark); border-color: var(--line-mid); }
.btn-ghost:hover { background: var(--tansei-bg); border-color: var(--tansei-light); }
.btn-edit { background: var(--nousei); color: #fff; padding: 6px 14px; font-size: 12px; border-radius: var(--r-sm); }
.btn-edit:hover { background: var(--nousei-mid); }
.btn-danger { background: var(--danger); color: #fff; padding: 6px 14px; font-size: 12px; border-radius: var(--r-sm); }
.btn-danger:hover { background: #a0301f; }
.btn-sm { padding: 6px 14px; font-size: 12px; }
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 20px; align-items: center; }

/* =====================================================
   FORM
   ===================================================== */
.form-grid { display: grid; gap: 18px; max-width: 520px; }
.field label {
    display: block; font-family: var(--sans);
    font-weight: 600; color: var(--ink);
    font-size: 12px; margin-bottom: 6px;
    letter-spacing: .3px; text-transform: uppercase;
}
.field input, .field select, .field textarea {
    width: 100%; padding: 10px 14px;
    background: var(--paper-off);
    border: 1.5px solid var(--line-mid);
    border-radius: var(--r-sm);
    color: var(--ink); font-family: var(--sans);
    font-size: 14px; transition: border .14s, box-shadow .14s;
}
.field input:focus, .field select:focus, .field textarea:focus {
    outline: none;
    border-color: var(--tansei);
    box-shadow: 0 0 0 3px rgba(58,127,193,.12);
    background: var(--paper);
}
.field input::placeholder, .field textarea::placeholder { color: var(--ink-dim); }
.field textarea { resize: vertical; min-height: 90px; }

/* =====================================================
   AUTH
   ===================================================== */
.auth-shell { min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr; }
.auth-visual {
    position: relative; overflow: hidden;
    display: flex; flex-direction: column;
    justify-content: flex-end; padding: 48px 40px;
    background: var(--nousei);
}
.auth-visual::before {
    content: ""; position: absolute; inset: 0;
    background: url('assets/img/hero-login.jpg') center/cover no-repeat;
    opacity: .22;
}
.auth-visual::after {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(30,53,96,.95) 0%, rgba(30,53,96,.5) 60%, rgba(30,53,96,.1) 100%);
}
.auth-visual-edge {
    position: absolute; top: 0; right: 0; bottom: 0; width: 3px;
    background: linear-gradient(to bottom, transparent, var(--gold) 30%, var(--gold-light) 60%, transparent);
}
.auth-visual-content { position: relative; z-index: 2; }
.auth-visual-crest {
    width: 52px; height: 52px;
    border: 2px solid var(--gold); border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 18px;
}
.auth-visual-crest span { font-family: var(--serif); font-size: 24px; font-weight: 700; font-style: italic; color: var(--gold); }
.auth-visual-content h2 { font-family: var(--serif); font-size: clamp(22px, 3vw, 34px); font-weight: 700; color: #fff; line-height: 1.2; margin-bottom: 12px; }
.auth-visual-content h2 em { color: var(--gold-light); font-style: italic; }
.auth-visual-content p { font-size: 13.5px; color: rgba(255,255,255,.48); line-height: 1.65; max-width: 320px; }
.auth-visual-divider { width: 40px; height: 2px; background: var(--gold); margin: 16px 0; opacity: .85; }
.auth-visual-stats { display: flex; gap: 24px; margin-top: 22px; }
.auth-visual-stat .n { font-family: var(--serif); font-size: 24px; font-weight: 700; color: var(--gold); line-height: 1; }
.auth-visual-stat .l { font-size: 10px; color: rgba(255,255,255,.38); font-weight: 600; letter-spacing: .8px; text-transform: uppercase; margin-top: 3px; }
.auth-form-side {
    display: flex; align-items: center; justify-content: center;
    padding: 48px 40px; background: var(--paper-off); overflow-y: auto;
}
.auth-card { width: 100%; max-width: 400px; }
.auth-card.wide { max-width: 520px; }
.auth-ornament { display: flex; align-items: center; gap: 10px; margin-bottom: 22px; }
.auth-ornament-line { flex: 1; height: 1px; background: linear-gradient(90deg, transparent, var(--tansei-light)); }
.auth-ornament-line.rev { background: linear-gradient(90deg, var(--tansei-light), transparent); }
.auth-ornament-symbol { color: var(--tansei); font-family: var(--serif); font-size: 16px; font-style: italic; letter-spacing: 4px; }
.auth-brand { font-family: var(--sans); color: var(--tansei); letter-spacing: 2.5px; font-size: 10px; font-weight: 700; text-transform: uppercase; margin-bottom: 12px; }
.auth-card h1 { font-family: var(--serif); font-weight: 700; font-size: 36px; color: var(--ink); letter-spacing: .1px; margin-bottom: 6px; line-height: 1.1; }
.auth-card h1 span { color: var(--tansei); font-style: italic; }
.auth-card .lead { color: var(--ink-soft); font-size: 13.5px; margin-bottom: 26px; padding-bottom: 20px; border-bottom: 1px solid var(--line); line-height: 1.65; }
.auth-foot { margin-top: 18px; text-align: center; color: var(--ink-soft); font-size: 13px; }
.auth-foot a { color: var(--tansei); text-decoration: none; font-weight: 600; }
.auth-foot a:hover { color: var(--tansei-dark); text-decoration: underline; }
@media (max-width: 768px) {
    .auth-shell { grid-template-columns: 1fr; }
    .auth-visual { display: none; }
    .auth-form-side { padding: 36px 20px; }
}

/* =====================================================
   ALERT
   ===================================================== */
.alert {
    padding: 11px 16px; border-radius: var(--r-sm);
    margin-bottom: 18px; font-size: 13.5px; font-weight: 500;
    border-left: 3px solid; border: 1px solid;
}
.alert-error   { background: var(--danger-bg); border-color: var(--danger-br); border-left-color: var(--danger); color: #9a2020; }
.alert-success { background: var(--ok-bg); border-color: var(--ok-br); border-left-color: var(--ok); color: var(--ok); }

/* =====================================================
   FOOTER
   ===================================================== */
.footer {
    background: var(--nousei);
    border-top: 3px solid var(--gold);
    text-align: center;
    padding: 20px 24px;
    color: rgba(255,255,255,.35);
    font-size: 12.5px; letter-spacing: .4px;
}
.footer strong { color: rgba(255,255,255,.7); font-weight: 500; }
.footer span { color: var(--gold); }

.empty { text-align: center; padding: 44px 20px; color: var(--ink-dim); font-size: 14px; font-family: var(--serif); font-style: italic; }

/* =====================================================
   BACKGROUND GAMBAR
   ===================================================== */
body { position: relative; }
body.has-bg::before { content: ""; position: fixed; inset: 0; background-image: var(--page-bg); background-size: cover; background-position: center; background-attachment: fixed; z-index: -2; }
body.has-bg::after { content: ""; position: fixed; inset: 0; background: rgba(250,250,250,.9); z-index: -1; }
.wrap, .nav, .hero, .footer { position: relative; z-index: 2; }
.corner-illus { position: fixed; bottom: 20px; right: 20px; opacity: .25; pointer-events: none; z-index: 0; }
@media (max-width: 640px) { .corner-illus { display: none; } }
.scatter { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.scatter span { position: absolute; opacity: .06; }
.scatter svg { display: block; }
.scatter .s1{top:10%;left:2%;transform:rotate(-6deg);}
.scatter .s2{top:48%;left:10%;transform:rotate(5deg);}
.scatter .s3{top:74%;left:4%;transform:rotate(-3deg);}
.scatter .s4{top:20%;left:42%;transform:rotate(9deg);}
.scatter .s5{top:62%;right:4%;transform:rotate(-5deg);}
.scatter .s6{top:14%;right:6%;transform:rotate(7deg);}
.scatter .s7{top:78%;right:26%;transform:rotate(-9deg);}
.scatter .s8{top:44%;right:28%;transform:rotate(4deg);}

/* =====================================================
   RESPONSIVE
   ===================================================== */
/* ── Mobile: 640px ke bawah ────────────────────── */
@media (max-width: 640px) {
    .wrap { padding: 20px 14px 60px; }
    .cards { grid-template-columns: 1fr 1fr; }
    .stat .num { font-size: 30px; }
    .nav a { padding: 11px 10px; font-size: 11.5px; }
    .nav .userinfo { display: none; }

    /* Hero */
    .hero { padding: 28px 16px 24px; }
    .hero h1 { font-size: 28px; }
    .hero-rule { display: none; }

    /* Navbar bottom — scroll horizontal */
    .nav-bottom { overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .nav-bottom-links { flex-wrap: nowrap; min-width: max-content; }
    .nav-bottom-links a { padding: 0 12px; font-size: 11.5px; white-space: nowrap; }

    /* Tabel — scroll horizontal */
    table { font-size: 12px; }
    th, td { padding: 8px 10px; }
    .panel { overflow-x: auto; }

    /* Grid dashboard */
    .dash-grid,
    .stat-grid { grid-template-columns: 1fr 1fr !important; gap: 10px; }
    .menu-grid  { grid-template-columns: 1fr 1fr !important; gap: 10px; }
    .two-col    { grid-template-columns: 1fr !important; gap: 14px; }
    .sched-stats { grid-template-columns: 1fr 1fr !important; }
    .mk-grid    { grid-template-columns: 1fr 1fr !important; }

    /* KRS grid */
    .krs-grid   { grid-template-columns: 1fr !important; }

    /* Card jadwal */
    .day-header { grid-template-columns: 80px 1fr !important; }
    .kelas-item { grid-template-columns: 70px 1fr !important; }
    .kelas-actions { display: none; }

    /* Presensi stat pill */
    .stat-pill  { font-size: 11px; padding: 3px 8px; }

    /* Form */
    .form-grid  { grid-template-columns: 1fr !important; }
    input, select, textarea { font-size: 16px; } /* prevent iOS zoom */

    /* SPP banner */
    .sem-banner { flex-direction: column; padding: 16px 18px; }
    .sem-banner-right { flex-direction: row; align-items: center; }
    .sem-banner-num { font-size: 26px; }

    /* Buttons */
    .btn { padding: 8px 14px; font-size: 13px; }
    .btn-sm { padding: 5px 10px; font-size: 12px; }

    /* Page title */
    .page-title { font-size: 22px; }
}

/* ── Tablet: 641px - 900px ─────────────────────── */
@media (min-width: 641px) and (max-width: 900px) {
    .wrap { padding: 32px 20px 70px; }
    .dash-grid,
    .stat-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .menu-grid  { grid-template-columns: repeat(2, 1fr) !important; }
    .two-col    { grid-template-columns: 1fr !important; }
    .krs-grid   { grid-template-columns: 1fr !important; }
    .kelas-actions { display: none; }
}