:root {
    --ink: #16202a;
    --ink-soft: #4b5a68;
    --paper: #f6f7f5;
    --panel: #ffffff;
    --line: #e2e5e1;
    --sidebar: #16202a;
    --sidebar-soft: #8b98a5;
    --accent: #1c7d6e;
    --accent-soft: #e4f2ef;
    --danger: #b3452c;
    --warn: #a97a26;
    --radius: 6px;
    --font-display: "Iowan Old Style", "Georgia", serif;
    --font-body: -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: var(--font-body);
    background: var(--paper);
    color: var(--ink);
    font-size: 14.5px;
}

a { color: inherit; }

h1, h2, h3 { font-family: var(--font-display); font-weight: 600; margin: 0 0 0.4em; }

.app-shell { display: flex; min-height: 100vh; }

.sidebar {
    width: 220px;
    flex-shrink: 0;
    background: var(--sidebar);
    color: #fff;
    display: flex;
    flex-direction: column;
    padding: 24px 0;
}

.brand {
    font-family: var(--font-display);
    font-size: 20px;
    padding: 0 20px 24px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin-bottom: 12px;
}
.brand span { color: var(--accent); display: block; font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase; font-family: var(--font-body); }

.sidebar ul { list-style: none; margin: 0; padding: 0; flex: 1; }
.sidebar li a {
    display: block;
    padding: 10px 20px;
    text-decoration: none;
    color: var(--sidebar-soft);
    font-size: 14px;
    border-left: 3px solid transparent;
}
.sidebar li a:hover { color: #fff; background: rgba(255,255,255,0.04); border-left-color: var(--accent); }

.sidebar-footer { padding: 16px 20px 0; border-top: 1px solid rgba(255,255,255,0.1); }
.role-badge { font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--sidebar-soft); margin-bottom: 8px; }
.logout-link { color: #fff; text-decoration: none; font-size: 13px; opacity: 0.75; }
.logout-link:hover { opacity: 1; }

.content { flex: 1; padding: 32px 40px; max-width: 1100px; }
.content-plain { width: 100%; display: flex; align-items: center; justify-content: center; min-height: 100vh; }

.flash {
    background: var(--accent-soft);
    border: 1px solid var(--accent);
    color: var(--accent);
    padding: 10px 14px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-size: 13.5px;
}

.page-header { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 20px; }
.page-header p { color: var(--ink-soft); margin: 4px 0 0; }

.card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 20px;
}

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; margin-bottom: 24px; }
.stat {
    background: var(--panel);
    border: 1px solid var(--line);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius);
    padding: 16px 18px;
}
.stat .num { font-family: var(--font-display); font-size: 28px; display: block; }
.stat .label { color: var(--ink-soft); font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.05em; }

table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); }
th { color: var(--ink-soft); font-weight: 600; text-transform: uppercase; font-size: 11.5px; letter-spacing: 0.04em; }
tr:last-child td { border-bottom: none; }

.badge { display: inline-block; padding: 2px 9px; border-radius: 100px; font-size: 11.5px; font-weight: 600; }
.badge-pending { background: #fbf0dd; color: var(--warn); }
.badge-approved { background: var(--accent-soft); color: var(--accent); }
.badge-rejected { background: #f6e3dd; color: var(--danger); }
.badge-active { background: var(--accent-soft); color: var(--accent); }

form.inline { display: inline; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 20px; }
.form-grid.single { grid-template-columns: 1fr; }
label { display: block; font-size: 12.5px; color: var(--ink-soft); margin-bottom: 4px; }
input, select, textarea {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    font-size: 14px;
    font-family: inherit;
    background: #fff;
    color: var(--ink);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }

.btn {
    display: inline-block;
    background: var(--ink);
    color: #fff;
    border: none;
    padding: 9px 18px;
    border-radius: var(--radius);
    font-size: 13.5px;
    cursor: pointer;
    text-decoration: none;
}
.btn:hover { background: #2a3947; }
.btn-accent { background: var(--accent); }
.btn-accent:hover { background: #17685c; }
.btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn-danger { background: var(--danger); }
.btn-sm { padding: 5px 12px; font-size: 12.5px; }

.login-card {
    width: 340px;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 36px 32px;
}
.login-card .brand { color: var(--ink); border: none; padding: 0 0 24px; }
.login-card .brand span { color: var(--accent); }
.error-text { color: var(--danger); font-size: 13px; margin: -8px 0 16px; }
.helper-text { color: var(--ink-soft); font-size: 12px; margin-top: 16px; }

.tabs { display: flex; gap: 4px; margin-bottom: 20px; border-bottom: 1px solid var(--line); }
.tabs a { padding: 8px 16px; text-decoration: none; color: var(--ink-soft); font-size: 13.5px; border-bottom: 2px solid transparent; }
.tabs a.active { color: var(--ink); border-bottom-color: var(--accent); font-weight: 600; }

.empty-state { text-align: center; padding: 40px 20px; color: var(--ink-soft); }