:root {
    --navy: #1b2a4a;
    --navy-dark: #121d34;
    --gold: #c9a24b;
    --bg: #f4f5f7;
    --card: #ffffff;
    --text: #23262b;
    --muted: #6b7280;
    --border: #e2e4e9;
    --success: #1e8e5a;
    --error: #c0392b;
    --radius: 10px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
}

/* ---------- Top bar / nav ---------- */
.topbar {
    background: var(--navy);
    color: #fff;
    padding: 14px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
}
.brand {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 1px;
}
.brand span {
    display: block;
    font-size: 11px;
    font-weight: 400;
    color: var(--gold);
    letter-spacing: 2px;
    text-transform: uppercase;
}
.navbar { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.navbar a {
    color: #dbe0ec;
    text-decoration: none;
    padding: 8px 14px;
    border-radius: 6px;
    font-size: 14px;
    transition: background .15s;
}
.navbar a:hover { background: rgba(255,255,255,.08); }
.navbar a.active { background: var(--gold); color: var(--navy-dark); font-weight: 600; }
.navbar a.logout { color: #f5b7ac; }

/* ---------- Layout ---------- */
.container { max-width: 1200px; margin: 0 auto; padding: 24px 20px 60px; }
h1 { font-size: 24px; margin-bottom: 18px; color: var(--navy); }
h2 { font-size: 17px; margin: 26px 0 12px; color: var(--navy); }
.footer { text-align: center; color: var(--muted); font-size: 12px; padding: 20px; }

/* ---------- Cards / stats ---------- */
.cards { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 10px; }
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 26px;
    min-width: 160px;
    box-shadow: 0 1px 3px rgba(0,0,0,.04);
}
.card-value { font-size: 30px; font-weight: 700; color: var(--navy); }
.card-label { font-size: 13px; color: var(--muted); margin-top: 4px; }

.quick-links { margin-top: 24px; display: flex; gap: 10px; flex-wrap: wrap; }

/* ---------- Forms ---------- */
.form-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 24px;
    margin-bottom: 10px;
    max-width: 520px;
}
.form-card h2 { margin-top: 0; }

label { display: block; font-size: 13px; color: var(--muted); margin: 10px 0 5px; }

input[type=text], input[type=password], input[type=date], input[type=number], select {
    width: 100%;
    padding: 9px 11px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
    background: #fff;
    color: var(--text);
}
input:focus, select:focus { outline: 2px solid var(--gold); border-color: var(--gold); }

button, .btn, .btn-secondary {
    background: var(--navy);
    color: #fff;
    border: none;
    padding: 10px 18px;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    margin-top: 14px;
}
button:hover, .btn:hover { background: var(--navy-dark); }
.btn-secondary { background: #fff; color: var(--navy); border: 1px solid var(--border); }

.inline-form {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}
.inline-form label { margin: 0; }
.inline-form input, .inline-form select { width: auto; }
.inline-form button { margin-top: 0; }

.filter-form { background: var(--card); border: 1px solid var(--border); padding: 14px; border-radius: var(--radius); }

.stacked-form { display: flex; flex-direction: column; }
.date-row { display: flex; gap: 16px; }
.date-row > div { flex: 1; }

/* ---------- Tables ---------- */
.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--card);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,.04);
}
.data-table th, .data-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    font-size: 14px;
}
.data-table th {
    background: var(--navy);
    color: #fff;
    font-weight: 600;
    white-space: nowrap;
}
.data-table tbody tr:hover { background: #fafbfc; }
.empty { text-align: center; color: var(--muted); padding: 20px; }

.link-danger { color: var(--error); text-decoration: none; font-size: 13px; }
.link-danger:hover { text-decoration: underline; }

/* ---------- Production grid ---------- */
.table-scroll { overflow-x: auto; border-radius: var(--radius); box-shadow: 0 1px 3px rgba(0,0,0,.04); }
.grid-table th, .grid-table td { text-align: center; }
.grid-table th:first-child, .grid-table td:first-child { text-align: left; }
.sticky-col {
    position: sticky;
    left: 0;
    background: #eef1f6;
    z-index: 1;
    font-weight: 600;
    color: var(--navy);
}
.grid-table th.sticky-col { background: var(--navy); color: #fff; }
.count-input { width: 70px; text-align: center; }
.total-row { background: #f6f1e3; font-weight: 700; }
.total-row .sticky-col { background: #e9dfc3; }
.save-btn { margin-top: 16px; }

/* ---------- Alerts ---------- */
.alert { padding: 12px 16px; border-radius: 6px; margin-bottom: 16px; font-size: 14px; }
.alert-success { background: #e5f6ed; color: var(--success); border: 1px solid #b9e6ce; }
.alert-error { background: #fbeaea; color: var(--error); border: 1px solid #f3c6c1; }

/* ---------- Login ---------- */
.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
}
.login-box {
    background: #fff;
    padding: 40px 36px;
    border-radius: var(--radius);
    width: 340px;
    box-shadow: 0 10px 30px rgba(0,0,0,.3);
    text-align: center;
}
.login-box h1 { margin: 0; color: var(--navy); letter-spacing: 1px; }
.login-box .subtitle { color: var(--gold); font-size: 12px; text-transform: uppercase; letter-spacing: 2px; margin: 4px 0 20px; }
.login-box form { text-align: left; }
.login-box button { width: 100%; }
.hint { font-size: 12px; color: var(--muted); margin-top: 16px; }