/* Marina Commodities AI — Accounts Receivable Operations Platform
   Dark theme matching the live prod ASPX site (Content/Site.css).
   Navy base + gold accents, top navbar with dropdowns, dark cards.
   To rebrand: change ONLY the :root variables below. */
:root {
    /* Brand */
    --gold:           #c9a227;
    --gold-hover:     #ddb82f;
    --gold-soft:      rgba(201,162,39,.18);

    /* Surfaces */
    --bg-page:        #0a0e1f;   /* page body — very dark navy / near black */
    --bg-card:        #131932;   /* default card / panel */
    --bg-card-2:      #1a2240;   /* card header, table header band */
    --bg-header:      #16213e;   /* page header band */
    --bg-nav:         #16213e;   /* nav bar band */
    --bg-input:       #ffffff;   /* form inputs stay white for legibility */

    /* Text */
    --text:           #e8e9ee;
    --text-secondary: #b3b6c1;
    --text-muted:     #7c8194;
    --text-on-input:  #1a1a2e;

    /* Lines / states */
    --border:         #232a47;
    --border-strong:  #2a3358;
    --shadow:         0 1px 3px rgba(0,0,0,.4);
    --shadow-lg:      0 10px 25px rgba(0,0,0,.5);

    /* Semantic */
    --primary:        var(--gold);
    --info:           #0d6efd;
    --info-bg:        rgba(13,110,253,.18);
    --info-soft:      #142a55;
    --success:        #198754;
    --warning:        #d69e2e;
    --danger:         #dc3545;

    --radius:         4px;
    --font:           'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --font-heading:   'Merriweather Sans', var(--font);
    --font-mono:      'Courier New', monospace;

    --header-h:       64px;
    --nav-h:          48px;
}

/* Reset ------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { background: var(--bg-page); }
body {
    font-family: var(--font);
    color: var(--text);
    background: var(--bg-page);
    line-height: 1.55;
    min-height: 100vh;
}
a { color: var(--gold); text-decoration: none; }
a:hover { color: var(--gold-hover); text-decoration: underline; }

/* Header (top bar) -------------------------------------------------- */
header {
    background: var(--bg-header);
    color: #fff;
    padding: .75rem 1.5rem;
    border-bottom: 2px solid var(--gold);
    position: relative;
    z-index: 50;
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}
.brand {
    color: #fff;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    gap: .15rem;
}
.brand:hover { text-decoration: none; }
.brand h1 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    line-height: 1;
    color: #fff;
    margin: 0;
}
.brand small {
    font-size: .7rem;
    letter-spacing: .12em;
    color: var(--gold);
    text-transform: uppercase;
    font-weight: 600;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: .85rem;
    color: var(--text-secondary);
}
.user-link {
    color: #fff;
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    font-size: .9rem;
}
.user-link::before {
    content: "\1F464";   /* 👤 fallback person glyph; replaced with FA when CDN loads */
    font-size: 1rem;
    opacity: .8;
}
.env-badge {
    background: var(--gold);
    color: #1a1a2e;
    font-weight: 700;
    font-size: .7rem;
    letter-spacing: .05em;
    padding: .2rem .5rem;
    border-radius: var(--radius);
}

/* Top nav bar with dropdowns --------------------------------------- */
.topnav {
    background: var(--bg-nav);
    border-bottom: 1px solid var(--border);
    padding: 0 1.5rem;
    position: relative;
    z-index: 40;
}
.topnav-inner {
    display: flex;
    gap: .25rem;
    align-items: stretch;
    min-height: var(--nav-h);
}
.topnav-item, .topnav-toggle {
    color: var(--text);
    text-decoration: none;
    padding: 0 1.1rem;
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    font-size: .9rem;
    font-weight: 500;
    background: none;
    border: 0;
    cursor: pointer;
    font-family: inherit;
    border-bottom: 2px solid transparent;
    transition: color .15s, background .15s, border-color .15s;
}
.topnav-item:hover, .topnav-toggle:hover {
    color: var(--gold);
    background: rgba(255,255,255,.03);
    text-decoration: none;
}
.topnav-item.active, .topnav-toggle.active {
    color: var(--gold);
    border-bottom-color: var(--gold);
}
.topnav-toggle .caret { font-size: .65em; opacity: .8; }

.topnav-group { position: relative; }
.topnav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--bg-card-2);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: .4rem 0;
    z-index: 100;
    display: none;
}
.topnav-group.open .topnav-menu { display: block; }
.topnav-menu a {
    display: flex;
    align-items: center;
    gap: .5rem;
    padding: .55rem 1rem;
    color: var(--text);
    font-size: .88rem;
    text-decoration: none;
}
.topnav-menu a:hover { background: rgba(201,162,39,.12); color: var(--gold); }

/* Page heading row (gold icon + title) ------------------------------ */
.page-head {
    display: flex;
    align-items: center;
    gap: .6rem;
    padding: 1rem 0 .75rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 1.25rem;
}
.page-head h2 {
    color: var(--gold);
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    margin: 0;
    display: inline-flex;
    align-items: center;
    gap: .55rem;
}
.page-head .icon, .page-head h2 i {
    color: var(--gold);
    font-size: 1.15rem;
}
.page-head .head-right { margin-left: auto; display: flex; gap: .5rem; align-items: center; }

/* Main + container -------------------------------------------------- */
main {
    padding: 0 1.5rem 2rem;
    background: var(--bg-page);
    min-height: calc(100vh - var(--header-h) - var(--nav-h));
}
.container, .container-narrow {
    margin: 0 auto;
}

/* Typography -------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: #fff;
    margin-bottom: .75rem;
}
h1 { font-size: 1.75rem; }
h2 { font-size: 1.5rem; color: var(--gold); }
h3 { font-size: 1.15rem; color: var(--gold); }
h4 { font-size: 1rem; }
.text-muted { color: var(--text-muted) !important; }
.text-secondary { color: var(--text-secondary); }
.text-primary { color: var(--info); }
.text-info { color: var(--info); }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-dark { color: var(--text); }
.muted { color: var(--text-muted); }
.bg-light {
    background: rgba(255,255,255,.04);
    color: var(--text);
    border: 1px solid var(--border);
    padding: .5rem .75rem;
    border-radius: var(--radius);
}
pre.bg-light { font-family: var(--font-mono); font-size: .82rem; }
.list-unstyled { list-style: none; padding-left: 0; }
.rounded { border-radius: var(--radius); }
.p-2 { padding: .5rem; }
.w-100 { width: 100%; }
.d-grid { display: grid; }
.col-lg-4 { flex: 1 1 calc(33.33% - .833rem); min-width: 280px; }
.col-lg-8 { flex: 1 1 calc(66.66% - .417rem); min-width: 320px; }
.col-md-2 { flex: 1 1 calc(16.66% - 1.04rem); min-width: 130px; }
.col-md-4 { flex: 1 1 calc(33.33% - .833rem); min-width: 200px; }
.text-center { text-align: center; }

/* Alerts (info / success / danger / warning) ------------------------ */
.alert {
    padding: .85rem 1.1rem;
    margin-bottom: 1.25rem;
    border-radius: var(--radius);
    border: 1px solid transparent;
    display: flex;
    align-items: center;
    gap: .65rem;
    font-size: .9rem;
}
.alert-info {
    background: var(--info-soft);
    border-color: #1e3a72;
    color: #cfe3ff;
}
.alert-info::before { content: "ⓘ"; font-size: 1rem; color: #9ecbff; }
.alert-success { background: rgba(25,135,84,.18); border-color: #1f6f4a; color: #c1e7d2; }
.alert-warning { background: rgba(214,158,46,.18); border-color: #7a5a18; color: #f4d9a3; }
.alert-danger  { background: rgba(220,53,69,.18); border-color: #7d2530; color: #f6c1c8; }
.alert .alert-close {
    margin-left: auto;
    background: none; border: 0;
    color: inherit;
    cursor: pointer;
    font-size: 1.2rem;
    opacity: .7;
}
.alert .alert-close:hover { opacity: 1; }

/* Buttons ----------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .5rem 1rem;
    border: 1px solid transparent;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: .85rem;
    font-weight: 600;
    line-height: 1.2;
    text-decoration: none;
    font-family: var(--font);
    white-space: nowrap;
    transition: background .15s, color .15s, border-color .15s, opacity .15s;
}
.btn:disabled, .btn.disabled { opacity: .55; cursor: not-allowed; }
.btn-sm { padding: .35rem .7rem; font-size: .78rem; }

.btn-primary,
.btn-warning {
    background: var(--gold);
    color: #1a1a2e;
    border-color: var(--gold);
}
.btn-primary:hover, .btn-warning:hover { background: var(--gold-hover); color: #1a1a2e; }

.btn-info {
    background: var(--info);
    color: #fff;
    border-color: var(--info);
}
.btn-info:hover { background: #0b5ed7; color: #fff; }

.btn-danger {
    background: var(--danger);
    color: #fff;
    border-color: var(--danger);
}
.btn-danger:hover { background: #bb2d3b; color: #fff; }

.btn-success {
    background: var(--success);
    color: #fff;
    border-color: var(--success);
}
.btn-success:hover { background: #146c43; color: #fff; }

.btn-secondary {
    background: transparent;
    color: var(--text-secondary);
    border-color: var(--border-strong);
}
.btn-secondary:hover { background: rgba(255,255,255,.04); color: var(--text); }

.btn-outline-primary {
    background: transparent;
    color: var(--gold);
    border-color: var(--gold);
}
.btn-outline-primary:hover { background: var(--gold); color: #1a1a2e; }

.btn-outline-secondary {
    background: transparent;
    color: var(--text-secondary);
    border-color: var(--border-strong);
}
.btn-outline-secondary:hover { background: rgba(255,255,255,.04); color: var(--text); }

.btn-logout {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border-strong);
}
.btn-logout:hover { background: rgba(255,255,255,.05); }

/* Cards ------------------------------------------------------------- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.1rem 1.25rem;
    margin-bottom: 1.25rem;
    box-shadow: var(--shadow);
}
.card-header {
    background: var(--bg-card-2);
    margin: -1.1rem -1.25rem 1rem;
    padding: .75rem 1.25rem;
    border-bottom: 1px solid var(--border);
    border-top-left-radius: var(--radius);
    border-top-right-radius: var(--radius);
}
.card-header h6, .card-header h5, .card-header h4, .card-header h3 { margin: 0; }
.card-body { padding: 0; }

/* Dashboard cards --------------------------------------------------- */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
    margin-top: 1rem;
}
.card-grid .card { display: flex; flex-direction: column; gap: .75rem; }
.card-grid .card h3 {
    color: var(--gold);
    font-size: 1.1rem;
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    margin: 0;
}
.card-grid .card p {
    color: var(--text-secondary);
    font-size: .88rem;
    margin: 0;
    flex-grow: 1;
}
.card-grid .card .btn { align-self: flex-start; }

/* Tables ------------------------------------------------------------ */
.table-wrap, .table-responsive {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    overflow-x: auto;
}
table {
    width: 100%;
    border-collapse: collapse;
    color: var(--text);
    background: var(--bg-card);
}
table thead tr { background: var(--bg-card-2); }
table th {
    color: var(--gold);
    text-align: left;
    font-weight: 600;
    font-size: .78rem;
    letter-spacing: .03em;
    padding: .65rem .85rem;
    border-bottom: 1px solid var(--border-strong);
    white-space: nowrap;
}
table td {
    padding: .65rem .85rem;
    border-bottom: 1px solid var(--border);
    font-size: .85rem;
    vertical-align: middle;
}
table tbody tr:hover { background: rgba(201,162,39,.05); }
table tbody tr:last-child td { border-bottom: 0; }
table .actions { display: flex; gap: .35rem; align-items: center; }

/* Status pills / type badges --------------------------------------- */
.badge {
    display: inline-block;
    padding: .25em .6em;
    font-size: .72rem;
    font-weight: 600;
    line-height: 1;
    border-radius: var(--radius);
    color: #fff;
    vertical-align: middle;
}
.badge-customer, .bg-primary { background: var(--info); }
.badge-broker,   .bg-success { background: var(--success); }
.badge-trader,   .bg-warning { background: var(--warning); color: #1a1a2e; }
.bg-secondary { background: #495057; }
.bg-info      { background: #0dcaf0; color: #1a1a2e; }
.bg-danger    { background: var(--danger); }
.bg-dark      { background: #212529; }

/* Forms ------------------------------------------------------------- */
.form-label {
    display: block;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: .85rem;
    margin-bottom: .35rem;
}
.form-text {
    display: block;
    color: var(--text-muted);
    font-size: .78rem;
    margin-top: .25rem;
}
.form-control, .form-select, input[type="text"], input[type="email"], input[type="password"],
input[type="number"], input[type="date"], input[type="search"], textarea, select {
    width: 100%;
    padding: .5rem .7rem;
    background: var(--bg-input);
    color: var(--text-on-input);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: .9rem;
}
.form-control:focus, .form-select:focus, input:focus, textarea:focus, select:focus {
    outline: 0;
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(201,162,39,.2);
}
textarea { font-family: var(--font-mono); }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mt-2 { margin-top: .5rem; }
.mt-3 { margin-top: 1rem; }
.ms-2 { margin-left: .5rem; }
.me-2 { margin-right: .5rem; }
.d-inline { display: inline; }
.d-inline-flex { display: inline-flex; }
.d-flex { display: flex; }
.justify-content-between { justify-content: space-between; }
.align-items-center { align-items: center; }
.row { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.col-md-6 { flex: 1 1 calc(50% - .625rem); min-width: 320px; }
.col-6 { flex: 0 0 50%; }
.btn-group { display: inline-flex; gap: 0; }
.btn-group .btn { border-radius: 0; }
.btn-group .btn:first-child { border-top-left-radius: var(--radius); border-bottom-left-radius: var(--radius); }
.btn-group .btn:last-child  { border-top-right-radius: var(--radius); border-bottom-right-radius: var(--radius); }
.btn-group .btn + .btn { margin-left: -1px; }

/* Form check (custom checkbox) ------------------------------------- */
.form-check {
    display: flex;
    align-items: center;
    gap: .5rem;
}
.form-check-input {
    width: auto;
    margin: 0;
    width: 16px; height: 16px;
}
.form-check-label { color: var(--text); }

/* Misc utilities --------------------------------------------------- */
.small { font-size: .8rem; }
.gap-2 { gap: .5rem; }
.gap-3 { gap: 1rem; }

/* Login -------------------------------------------------------------- */
.login-container {
    min-height: calc(100vh - var(--header-h) - 4rem);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}
.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem 2.25rem;
    width: 100%;
    max-width: 380px;
    text-align: center;
    box-shadow: var(--shadow-lg);
}
.login-card .login-logo {
    width: 90px;
    background: #fff;
    padding: 6px 10px;
    border-radius: var(--radius);
    margin-bottom: 1rem;
}
.login-card h2 { color: var(--gold); margin-bottom: .25rem; }
.login-card .muted { color: var(--text-muted); font-size: .85rem; margin-bottom: 1.25rem; }
.login-card label {
    display: block;
    text-align: left;
    color: var(--text-secondary);
    font-size: .8rem;
    margin: .75rem 0 .25rem;
}
.login-card .btn { width: 100%; justify-content: center; margin-top: 1rem; }

/* Footer ----------------------------------------------------------- */
footer {
    padding: 1.25rem 1.5rem;
    text-align: center;
    color: var(--text-muted);
    border-top: 1px solid var(--border);
    font-size: .8rem;
}

/* Flash message slide-in ------------------------------------------- */
@keyframes slideIn { from { transform: translateY(-6px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.alert { animation: slideIn .25s ease; }

/* Responsive small fix -------------------------------------------- */
@media (max-width: 720px) {
    .topnav-inner { flex-wrap: wrap; }
    .header-inner { flex-wrap: wrap; gap: .5rem; }
}