:root {
    --bg: #f5f7fb;
    --panel: #ffffff;
    --text: #172033;
    --muted: #67728a;
    --line: #d9e0ec;
    --primary: #195fa8;
    --primary-dark: #124c87;
    --danger-bg: #ffe8e8;
    --danger-text: #9f1d1d;
    --shadow: 0 14px 35px rgba(23, 32, 51, 0.08);
}

* { box-sizing: border-box; }

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

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.login-body {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
}

.login-card {
    width: min(420px, 100%);
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 20px;
    box-shadow: var(--shadow);
    padding: 32px;
}

.brand-row { margin-bottom: 26px; }
.brand-mark { font-size: 26px; font-weight: 800; letter-spacing: -0.04em; color: var(--primary); }
.brand-subtitle { color: var(--muted); margin-top: 4px; }

label { display: block; margin-top: 16px; margin-bottom: 6px; color: var(--muted); font-weight: 650; }
input, select, textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 12px 14px;
    font: inherit;
    background: #fff;
}
button, .button-link {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    border: 0;
    border-radius: 12px;
    padding: 12px 18px;
    background: var(--primary);
    color: #fff;
    font-weight: 750;
    cursor: pointer;
    margin-top: 20px;
}
button:hover, .button-link:hover {
    background: var(--primary-dark);
    text-decoration: none;
}

.alert {
    border-radius: 12px;
    background: #eef6ff;
    border: 1px solid #cfe7ff;
    padding: 12px 14px;
    margin-bottom: 16px;
}
.alert-error {
    background: var(--danger-bg);
    color: var(--danger-text);
    border-color: #ffcaca;
}

.topbar {
    height: 68px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    position: sticky;
    top: 0;
    z-index: 10;
}
.easiwan-logo {
    font-size: 24px;
    font-weight: 850;
    color: var(--primary);
    letter-spacing: -0.045em;
}
.topbar-user { display: flex; gap: 16px; align-items: center; color: var(--muted); }

.page-shell {
    width: min(1280px, calc(100% - 32px));
    margin: 28px auto;
}

.customer-logo-wrap,
.customer-logo-placeholder {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 92px;
    margin-bottom: 24px;
}
.customer-logo {
    max-width: 280px;
    max-height: 90px;
    object-fit: contain;
}
.customer-logo-placeholder {
    color: var(--muted);
    border: 1px dashed var(--line);
    border-radius: 18px;
    background: rgba(255,255,255,0.55);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    margin-bottom: 22px;
}
.metric-card,
.panel {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: var(--shadow);
}
.metric-card { padding: 20px; }
.metric-label { display: block; color: var(--muted); font-size: 14px; margin-bottom: 8px; }
.metric-card strong { font-size: 24px; }
.panel { padding: 24px; }
.panel h1 { margin-top: 0; }

@media (max-width: 900px) {
    .dashboard-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
    .dashboard-grid { grid-template-columns: 1fr; }
    .topbar { padding: 0 16px; }
}

.main-nav {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}
.main-nav a {
    color: var(--muted);
    font-weight: 700;
    padding: 8px 10px;
    border-radius: 10px;
}
.main-nav a.is-active,
.main-nav a:hover {
    color: var(--primary);
    background: #eef6ff;
    text-decoration: none;
}
.page-title-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 18px;
}
.page-title-row h1 { margin: 0 0 4px; }
.muted { color: var(--muted); }
small { color: var(--muted); }
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: end;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: var(--shadow);
    padding: 14px;
    margin-bottom: 18px;
}
.filter-bar label { margin: 0; min-width: 180px; }
.filter-bar.wide label { min-width: 210px; }
.filter-bar button { margin-top: 0; }
.dashboard-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.dashboard-grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.group-card strong { display: block; margin-bottom: 6px; }
.warning-card { border-color: #ffd27a; background: #fff8e9; }
.panel-heading {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}
.table-wrap { width: 100%; overflow-x: auto; }
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
.data-table th,
.data-table td {
    border-bottom: 1px solid var(--line);
    padding: 10px 12px;
    text-align: left;
    vertical-align: top;
}
.data-table th { color: var(--muted); background: #f8fbff; font-weight: 800; }
.data-table.compact th,
.data-table.compact td { padding: 8px 10px; }
.data-table .num,
.num { text-align: right; white-space: nowrap; }
.row-warning { background: #fff8e9; }
.warning-panel { border-color: #ffd27a; }
.danger-panel { border-color: #ffcaca; background: #fff7f7; }
.form-panel form { max-width: 760px; }
.form-panel textarea { resize: vertical; }
.check-label {
    display: flex;
    align-items: center;
    gap: 10px;
}
.check-label input { width: auto; }
.button-link.secondary,
button.secondary { background: #eef3fa; color: var(--primary); }
.button-link.secondary:hover,
button.secondary:hover { background: #dfeaf7; }
.danger-button { background: #a92828; }
.danger-button:hover { background: #861d1d; }
.inline-form {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
}
.inline-form input { width: 180px; padding: 8px 10px; }
.inline-form button { margin-top: 0; padding: 8px 10px; }
.table-logo {
    max-width: 90px;
    max-height: 40px;
    object-fit: contain;
}
.alert-success {
    background: #e9f9ef;
    border-color: #bce8c9;
    color: #146a2e;
}

@media (max-width: 900px) {
    .dashboard-grid.three,
    .dashboard-grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .topbar { height: auto; padding-top: 12px; padding-bottom: 12px; align-items: flex-start; flex-direction: column; }
    .page-title-row { flex-direction: column; }
}
@media (max-width: 560px) {
    .dashboard-grid.three,
    .dashboard-grid.two { grid-template-columns: 1fr; }
    .filter-bar label { min-width: 100%; }
}