:root {
    --erp-primary: #1f3d2b;
    --erp-primary-light: #2e5a41;
    --erp-bg: #f5f6f4;
    --erp-border: #e0e0dc;
    --erp-text: #23281f;
    --erp-danger: #b3261e;
    --erp-warning: #8a5a00;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, "Segoe UI", Arial, sans-serif;
    background: var(--erp-bg);
    color: var(--erp-text);
    display: flex;
}

/* --- Login --- */
.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.login-box {
    background: #fff;
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    width: 320px;
}

.login-box h1 {
    margin: 0 0 1.5rem;
    font-size: 1.25rem;
    color: var(--erp-primary);
}

.login-box label {
    display: block;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.login-box input {
    width: 100%;
    padding: 0.5rem;
    margin-top: 0.25rem;
    border: 1px solid var(--erp-border);
    border-radius: 4px;
}

.login-box button {
    width: 100%;
    padding: 0.6rem;
    background: var(--erp-primary);
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.login-box button:hover { background: var(--erp-primary-light); }

.alert {
    padding: 0.6rem;
    border-radius: 4px;
    font-size: 0.85rem;
    margin-bottom: 1rem;
}
.alert-error { background: #fbe9e7; color: var(--erp-danger); }
.alert-warning { background: #fff3cd; color: var(--erp-warning); }

/* --- Sidebar --- */
.erp-sidebar {
    width: 220px;
    background: var(--erp-primary);
    color: #fff;
    min-height: 100vh;
    padding: 1.5rem 0;
    flex-shrink: 0;
}

.erp-sidebar-logo {
    padding: 0 1.25rem 1.5rem;
    font-weight: 700;
    font-size: 1.1rem;
}

.erp-sidebar ul { list-style: none; margin: 0; padding: 0; }

.erp-sidebar li a {
    display: block;
    padding: 0.65rem 1.25rem;
    color: #dfe6de;
    text-decoration: none;
    font-size: 0.9rem;
}

.erp-sidebar li a:hover { background: var(--erp-primary-light); color: #fff; }

.erp-sidebar-user {
    margin-top: 2rem;
    padding: 0 1.25rem;
    font-size: 0.8rem;
    color: #c9d2c7;
}

.erp-sidebar-user a { color: #fff; }

/* --- Content --- */
.erp-content {
    flex: 1;
    padding: 2rem;
}

.erp-tabs {
    display: flex;
    gap: 1rem;
    border-bottom: 1px solid var(--erp-border);
    margin-bottom: 1.5rem;
}

.erp-tabs a {
    padding: 0.5rem 0;
    text-decoration: none;
    color: #666;
    font-size: 0.9rem;
    border-bottom: 2px solid transparent;
}

.erp-tabs a.active {
    color: var(--erp-primary);
    border-bottom-color: var(--erp-primary);
    font-weight: 600;
}

/* --- Sayfa başlığı, butonlar --- */
.page-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
}
.page-head h1 { margin: 0; font-size: 1.4rem; }
.page-head small { font-size: 0.8rem; font-weight: 400; margin-left: 0.5rem; }

.muted { color: #777; font-size: 0.85rem; }

.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--erp-primary);
    color: #fff;
    border: 1px solid var(--erp-primary);
    border-radius: 4px;
    font-size: 0.9rem;
    text-decoration: none;
    cursor: pointer;
}
.btn:hover { background: var(--erp-primary-light); }
.btn-secondary { background: #fff; color: var(--erp-primary); }
.btn-secondary:hover { background: #eef2ee; }
.btn-danger { background: #fff; color: var(--erp-danger); border-color: var(--erp-danger); }
.btn-danger:hover { background: #fbe9e7; }

/* --- Filtre çubuğu --- */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}
.filter-bar input, .filter-bar select {
    padding: 0.45rem 0.6rem;
    border: 1px solid var(--erp-border);
    border-radius: 4px;
    font-size: 0.9rem;
    background: #fff;
}
.filter-bar input[type=search] { min-width: 260px; }

/* --- Tablo --- */
.data-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border: 1px solid var(--erp-border);
    border-radius: 6px;
    font-size: 0.9rem;
}
.data-table th, .data-table td {
    padding: 0.6rem 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--erp-border);
}
.data-table th { background: #f0f2ee; font-weight: 600; font-size: 0.8rem; }
.data-table tr:last-child td { border-bottom: none; }
.data-table .empty { text-align: center; color: #888; padding: 1.5rem; }
.data-table .actions { text-align: right; white-space: nowrap; }
.data-table .actions a { color: var(--erp-primary); }

.badge {
    display: inline-block;
    padding: 0.1rem 0.5rem;
    border-radius: 10px;
    font-size: 0.75rem;
}
.badge-ok { background: #e3f1e6; color: #1f6b34; }
.badge-off { background: #eee; color: #666; }

.pager { display: flex; gap: 1rem; align-items: center; margin-top: 1rem; font-size: 0.9rem; }
.pager a { color: var(--erp-primary); }

/* --- Form --- */
.form-card {
    background: #fff;
    border: 1px solid var(--erp-border);
    border-radius: 6px;
    padding: 1.5rem;
    max-width: 900px;
}
.form-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}
.form-grid label { display: block; font-size: 0.85rem; }
.form-grid .span-2 { grid-column: span 2; }
.form-grid .span-3 { grid-column: span 3; }
.form-grid input, .form-grid select, .form-grid textarea {
    width: 100%;
    margin-top: 0.25rem;
    padding: 0.5rem;
    border: 1px solid var(--erp-border);
    border-radius: 4px;
    font: inherit;
    background: #fff;
}
.form-actions { display: flex; gap: 0.5rem; margin-top: 1.25rem; }
.toggle-form { margin-top: 1rem; max-width: 900px; text-align: right; }

/* --- Teşhis / test çıktıları --- */
.result-box {
    background: #fff;
    border: 1px solid var(--erp-border);
    border-radius: 6px;
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
    max-width: 900px;
}
.result-box h2 { margin: 0 0 0.5rem; font-size: 1rem; }
.result-box pre { margin: 0; white-space: pre-wrap; font-size: 0.8rem; }
.status-ok { color: #1f6b34; font-weight: 600; }
.status-fail { color: var(--erp-danger); font-weight: 600; }

/* --- Stok --- */
.erp-sidebar li.sub a { padding: 0.4rem 1.25rem 0.4rem 2.25rem; font-size: 0.82rem; color: #c9d2c7; }
.section-title { font-size: 1rem; margin: 1.5rem 0 0.5rem; }
.data-table th.num, .data-table td.num { text-align: right; white-space: nowrap; }
.data-table.narrow { max-width: 420px; }
.badge-warn { background: #fff3cd; color: #8a5a00; }
.qty-in { color: #1f6b34; }
.qty-out { color: var(--erp-danger); }
.data-table a { color: var(--erp-primary); }

@media (max-width: 800px) {
    body { flex-direction: column; }
    .erp-sidebar { width: 100%; min-height: auto; }
    .form-grid { grid-template-columns: 1fr; }
    .form-grid .span-2, .form-grid .span-3 { grid-column: span 1; }
}

/* Faz 4: satır tabloları, ithalat */
.lines-table { width: 100%; border-collapse: collapse; margin: 0.25rem 0 0.5rem; }
.lines-table th { text-align: left; font-size: 0.78rem; color: #555; padding: 0.25rem 0.35rem; }
.lines-table td { padding: 0.2rem 0.35rem; vertical-align: top; }
.lines-table input, .lines-table select { width: 100%; box-sizing: border-box; padding: 0.4rem; border: 1px solid #ccc; border-radius: 4px; font: inherit; }
.lines-table .rm-row { background: none; border: none; color: var(--erp-danger); cursor: pointer; font-size: 1.1rem; }
.btn-small { padding: 0.25rem 0.6rem; font-size: 0.82rem; }
.info-box { background: #eef5ee; border-left: 4px solid var(--erp-primary); padding: 0.6rem 0.9rem; margin: 0.75rem 0; font-size: 0.88rem; border-radius: 4px; }
.cost-total td { font-weight: 600; background: #f7f8f5; }
.inline-form { display: inline; }
.badge-info { background: #e1ecf7; color: #1d4f7a; }