:root {
    --brand: #3E6DA3;
    --brand-2: #72A6C4;
    --surface-soft: #CADEDF;
    --bg: #F7F6F2;
    --panel: #ffffff;
    --text: #1a2a3a;
    --muted: #5a6b7c;
    --line: #c5d5d8;
    --accent: #3E6DA3;
    --accent-hover: #335d8c;
    --ok: #2f7d4a;
    --warn: #b7791f;
    --danger: #c53030;
    --shadow: 0 8px 24px rgba(62, 109, 163, 0.08);
    --radius: 14px;
    --font-display: "Segoe UI", "Trebuchet MS", sans-serif;
    --font-body: "Segoe UI", "Helvetica Neue", sans-serif;
    --nav-h: 64px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.app-body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--font-body);
    color: var(--text);
    background:
        radial-gradient(900px 420px at 0% 0%, rgba(114, 166, 196, 0.22), transparent 55%),
        radial-gradient(700px 380px at 100% 0%, rgba(202, 222, 223, 0.7), transparent 50%),
        var(--bg);
    display: block;
}

a { color: var(--brand); }
a:hover { color: var(--accent-hover); }
.link-light { color: var(--brand) !important; }

/* ===== Top shell ===== */
.app-shell { min-height: 100vh; display: flex; flex-direction: column; }

.app-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: linear-gradient(180deg, #3E6DA3 0%, #366296 100%);
    color: #fff;
    box-shadow: 0 2px 12px rgba(26, 42, 58, 0.18);
}
.app-header-inner {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    max-width: 1400px;
    margin: 0 auto;
}
.brand {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: 0.03em;
    font-size: 1.15rem;
    color: #fff;
    text-decoration: none;
    white-space: nowrap;
}
.brand:hover { color: #fff; }

.header-tools {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-wrap: wrap;
}
.project-switch label { display: none; }
.project-switch .form-select {
    min-width: 140px;
    max-width: 200px;
    background: rgba(255,255,255,0.12);
    border-color: rgba(255,255,255,0.28);
    color: #fff;
}
.project-switch .form-select option { color: var(--text); background: #fff; }

.user-chip {
    color: #fff;
    font-size: 0.82rem;
    border: 1px solid rgba(255,255,255,0.35);
    padding: 0.3rem 0.7rem;
    border-radius: 999px;
    white-space: nowrap;
}

.nav-toggle {
    display: none;
    border: 1px solid rgba(255,255,255,0.35);
    background: transparent;
    color: #fff;
    border-radius: 10px;
    padding: 0.4rem 0.65rem;
    font-size: 1.1rem;
    line-height: 1;
}

.app-nav {
    background: rgba(255,255,255,0.08);
    border-top: 1px solid rgba(255,255,255,0.12);
}
.app-nav-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0.45rem 0.75rem 0.65rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}
.app-nav a {
    color: rgba(255,255,255,0.88);
    text-decoration: none;
    padding: 0.4rem 0.7rem;
    border-radius: 999px;
    font-size: 0.86rem;
    white-space: nowrap;
}
.app-nav a:hover { background: rgba(255,255,255,0.14); color: #fff; }
.app-nav a.active {
    background: #fff;
    color: var(--brand);
    font-weight: 600;
}

.main-content { flex: 1; width: 100%; max-width: 1400px; margin: 0 auto; }
.topbar {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem 1rem 0.35rem;
}
.topbar h1 {
    font-size: clamp(1.25rem, 2.5vw, 1.6rem);
    margin: 0;
    font-weight: 700;
    color: var(--brand);
}
.content-wrap { padding: 0.75rem 1rem 2rem; }

.panel {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.15rem 1.2rem;
    margin-bottom: 1rem;
    box-shadow: var(--shadow);
}
.panel h2 {
    font-size: 1.05rem;
    margin: 0 0 0.65rem;
    color: var(--brand);
}
.muted { color: var(--muted); }

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 0.75rem;
}
.stat {
    background: linear-gradient(180deg, #fff, var(--surface-soft));
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 1rem;
}
.stat .label { color: var(--muted); font-size: 0.8rem; }
.stat .value { font-size: 1.45rem; font-weight: 700; margin-top: 0.25rem; color: var(--brand); }

.btn-accent {
    background: var(--brand);
    border: none;
    color: #fff;
    font-weight: 600;
}
.btn-accent:hover, .btn-accent:focus {
    background: var(--accent-hover);
    color: #fff;
}
.btn-outline-light {
    --bs-btn-color: var(--brand);
    --bs-btn-border-color: var(--brand-2);
    --bs-btn-hover-bg: var(--surface-soft);
    --bs-btn-hover-border-color: var(--brand);
    --bs-btn-hover-color: var(--brand);
}

.form-control, .form-select {
    background: #fff;
    border-color: var(--line);
    color: var(--text);
}
.form-control:focus, .form-select:focus {
    background: #fff;
    color: var(--text);
    border-color: var(--brand-2);
    box-shadow: 0 0 0 0.2rem rgba(62, 109, 163, 0.18);
}

.table {
    --bs-table-bg: transparent;
    --bs-table-color: var(--text);
    --bs-table-striped-bg: rgba(202, 222, 223, 0.35);
    color: var(--text);
}
.table > :not(caption) > * > * { border-bottom-color: var(--line); }
.table thead th { color: var(--brand); font-weight: 600; }

.alert { border: none; border-radius: 12px; }
.status-ok { color: var(--ok); }
.status-warn { color: var(--warn); }
.status-fail { color: var(--danger); }

.auth-main {
    width: 100%;
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 1.5rem;
    background:
        radial-gradient(700px 360px at 20% 0%, rgba(114,166,196,0.35), transparent 60%),
        var(--bg);
}
.auth-card {
    width: min(420px, 100%);
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 2rem;
    box-shadow: var(--shadow);
}
.auth-card h1 {
    margin: 0 0 0.35rem;
    font-size: 1.6rem;
    color: var(--brand);
}

.content-preview { max-height: 420px; overflow: auto; line-height: 1.55; }
.content-preview img { max-width: 100%; height: auto; }

.table-responsive {
    border-radius: 10px;
}

.progress-metis {
    height: 10px;
    background: var(--surface-soft);
    border-radius: 999px;
    overflow: hidden;
}
.progress-metis > span {
    display: block;
    height: 100%;
    background: linear-gradient(90deg, var(--brand), var(--brand-2));
}

.guide-steps {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}
.guide-step {
    text-decoration: none;
    font-size: 0.8rem;
    padding: 0.35rem 0.65rem;
    border-radius: 999px;
    border: 1px solid var(--line);
    color: var(--muted);
    background: #fff;
}
.guide-step.done {
    background: var(--surface-soft);
    color: var(--brand);
    border-color: var(--brand-2);
}
.guide-step.current {
    background: var(--brand);
    color: #fff;
    border-color: var(--brand);
    font-weight: 600;
}
.guide-panel {
    border-color: var(--brand-2);
    background: linear-gradient(180deg, #fff, var(--surface-soft));
}

/* ===== Responsive ===== */
@media (max-width: 991.98px) {
    .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
    .app-nav { display: none; }
    .app-nav.open { display: block; }
    .app-nav-inner {
        flex-direction: column;
        align-items: stretch;
        max-height: min(70vh, 520px);
        overflow: auto;
        -webkit-overflow-scrolling: touch;
    }
    .app-nav a { border-radius: 10px; }
    .header-tools { gap: 0.4rem; }
    .project-switch .form-select { min-width: 110px; max-width: 140px; font-size: 0.85rem; }
    .user-chip { display: none; }
    .topbar { padding-inline: 0.85rem; }
    .content-wrap { padding-inline: 0.85rem; }
    .panel { padding: 1rem; }
}

@media (max-width: 575.98px) {
    .app-header-inner { padding: 0.65rem 0.75rem; }
    .brand { font-size: 1.05rem; }
    .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .btn, .form-control, .form-select { min-height: 44px; }
    .table { font-size: 0.86rem; }
}

@media (min-width: 992px) {
    .app-nav { display: block !important; }
}

/* Grouped nav (Operasyon-first) */
.nav-more {
    margin: 0.35rem 1rem 0.75rem;
    color: #fff;
}
.nav-more > summary {
    cursor: pointer;
    list-style: none;
    display: inline-block;
    padding: 0.35rem 0.75rem;
    border-radius: 8px;
    background: rgba(255,255,255,0.1);
    font-size: 0.9rem;
}
.nav-more > summary::-webkit-details-marker { display: none; }
.nav-more[open] > summary { background: rgba(255,255,255,0.18); }
.nav-more-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 0.75rem 1rem;
    margin-top: 0.65rem;
    padding: 0.75rem;
    background: rgba(0,0,0,0.18);
    border-radius: 10px;
}
.nav-more-title {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    opacity: 0.75;
    margin-bottom: 0.35rem;
}
.nav-more-col a {
    display: block;
    padding: 0.25rem 0;
    color: rgba(255,255,255,0.92);
    text-decoration: none;
    font-size: 0.88rem;
}
.nav-more-col a:hover,
.nav-more-col a.active { color: #fff; text-decoration: underline; }