/* Greenline Energies design system */
:root {
    color-scheme: light;
    --color-primary: #16a34a;
    --color-primary-dark: #15803d;
    --color-primary-darker: #14532d;
    --color-primary-light: #dcfce7;
    --color-primary-pale: #f0fdf4;
    --color-accent: #4ade80;
    --color-success: #16a34a;
    --color-warning: #d97706;
    --color-danger: #dc2626;
    --color-info: #2563eb;
    --color-bg-page: #f9fafb;
    --color-bg-surface: #ffffff;
    --color-bg-muted: #f3f4f6;
    --color-text: #1f2937;
    --color-text-muted: #6b7280;
    --color-border: #e5e7eb;
    --color-border-strong: #d1d5db;
    --font-family: "Segoe UI", Arial, Helvetica, sans-serif;
    --font-family-mono: Consolas, "Courier New", monospace;
    --font-size-xs: 11px;
    --font-size-sm: 12px;
    --font-size-md: 14px;
    --font-size-lg: 17px;
    --font-size-xl: 19px;
    --font-size-2xl: 24px;
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --radius-sm: 5px;
    --radius-md: 8px;
    --radius-lg: 9px;
    --radius-xl: 10px;
    --radius-pill: 12px;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, .08);
    --shadow-md: 0 3px 20px rgba(18, 37, 20, .1);
    --focus-ring: 0 0 0 3px rgba(22, 163, 74, .35);
    --green: var(--color-primary);
    --green-dark: var(--color-primary-dark);
    --green-darker: var(--color-primary-darker);
    --pale: var(--color-primary-light);
    --pale-soft: var(--color-primary-pale);
    --line: var(--color-border);
    --ink: var(--color-text);
    --muted: var(--color-text-muted);
    --red: var(--color-danger);
    --surface: var(--color-bg-surface);
    --bg-page: var(--color-bg-page);
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--color-bg-page); color: var(--color-text); font: var(--font-size-md) var(--font-family); line-height: 1.5; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-dark); }
img { max-width: 100%; height: auto; }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; box-shadow: var(--focus-ring); }
.app-shell { min-height: 100vh; }
.sidebar { position: fixed; inset: 0 auto 0 0; width: 264px; background: var(--color-bg-surface); border-right: 1px solid var(--color-border); display: flex; flex-direction: column; padding: var(--space-6) var(--space-3); z-index: 5; }
.brand { display: flex; gap: var(--space-3); align-items: center; padding: 4px 8px 24px; color: var(--color-text); text-decoration: none; }
.brand-logo { height: 46px; width: auto; object-fit: contain; border-radius: var(--radius-xl); flex: none; background: #fff; padding: 4px; box-shadow: var(--shadow-sm); }
.brand strong { display: block; letter-spacing: 1.4px; color: var(--color-primary); font-size: var(--font-size-md); }
.brand small { display: block; color: var(--color-text-muted); font-size: var(--font-size-xs); margin-top: 4px; }
.nav-label { font-size: 10px; font-weight: 700; color: #849087; letter-spacing: 1px; margin: 14px 10px 7px; }
.nav-link { display: flex; align-items: center; gap: 12px; padding: 10px; border-radius: var(--radius-sm); color: #445047; text-decoration: none; margin: 2px 0; font-size: var(--font-size-sm); }
.nav-link svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.nav-link:hover { background: var(--color-bg-page); color: var(--color-primary); }
.nav-link.active { background: var(--color-primary-light); color: var(--color-primary); font-weight: 700; }
.sidebar-user { margin-top: auto; border-top: 1px solid var(--color-border); padding: 14px 8px 0; font-size: var(--font-size-sm); }
.signout-link { border: 0; padding: 8px 0 0; background: transparent; color: var(--color-text-muted); cursor: pointer; }
.workspace { margin-left: 264px; min-width: 0; }
.topbar { height: 74px; background: var(--color-bg-surface); border-bottom: 1px solid var(--color-border); display: flex; align-items: center; justify-content: space-between; padding: 0 30px; }
.topbar h1 { font-size: var(--font-size-xl); margin: 0; color: var(--color-text); }
.topbar p { margin: 5px 0 0; color: var(--color-text-muted); font-size: var(--font-size-sm); }
.menu-toggle { display: none; }
main { max-width: 1500px; margin: 24px auto; padding: 0 30px 40px; }
.panel { background: var(--color-bg-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 20px; margin-bottom: 18px; }
h2 { margin: 0 0 14px; color: var(--color-primary); font-size: var(--font-size-lg); }
h3 { font-size: var(--font-size-md); margin: 0 0 12px; color: var(--color-text); }
.muted, .hint { color: var(--color-text-muted); font-size: var(--font-size-sm); }
.hint { line-height: 1.5; }
.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-bottom: 18px; }
.metric { background: var(--color-bg-surface); border: 1px solid var(--color-border); padding: 17px; border-radius: var(--radius-md); }
.metric span { font-size: var(--font-size-sm); color: var(--color-text-muted); }
.metric strong { display: block; font-size: 22px; color: var(--color-primary); margin-top: 9px; }
.columns { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 12px; }
.field label { display: block; font-weight: 700; margin-bottom: 5px; }
.field input, .field select, .field textarea { width: 100%; padding: 9px; border: 1px solid var(--color-border-strong); border-radius: var(--radius-sm); font: inherit; background: var(--color-bg-surface); }
.field textarea { min-height: 70px; }
button, .button { display: inline-block; border: 0; border-radius: var(--radius-sm); padding: 9px 13px; background: var(--color-primary); color: #fff; text-decoration: none; cursor: pointer; font: inherit; }
button:hover, .button:hover { background: var(--color-primary-dark); }
button:focus-visible, .button:focus-visible { box-shadow: var(--focus-ring); }
.secondary { background: #e9efeb; color: var(--color-text); }
.secondary:hover { background: #dfe7e1; }
.danger { background: var(--color-danger); }
.danger:hover { background: #b91c1c; }
.actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-top: 12px; }
.message { padding: 12px 14px; border-radius: var(--radius-md); margin: 0 0 16px; }
.success { background: #e3f4e8; color: #124b26; }
.error { background: #fde8e8; color: #762222; }
.warning { background: #fef3c7; color: #92400e; }
.scroll { overflow: auto; }
table { width: 100%; border-collapse: collapse; margin-top: 8px; }
th, td { text-align: left; padding: 10px 9px; border-bottom: 1px solid var(--color-border); vertical-align: top; }
th { font-size: var(--font-size-xs); color: #627067; background: #f5f8f6; text-transform: uppercase; letter-spacing: .3px; }
td { font-size: var(--font-size-md); }
.serial { font-family: var(--font-family-mono); color: var(--color-primary); font-weight: 700; white-space: nowrap; }
.status { padding: 4px 8px; background: var(--color-primary-light); border-radius: var(--radius-pill); font-size: var(--font-size-xs); white-space: nowrap; }
.nowrap { white-space: nowrap; }
.search-form { display: flex; gap: 8px; margin: 0 0 12px; }
.search-form input { min-width: 180px; padding: 9px; border: 1px solid var(--color-border-strong); border-radius: var(--radius-sm); font: inherit; }
details { margin: 8px 0; }
summary { cursor: pointer; color: var(--color-primary); font-weight: 700; }
.copy-btn { padding: 5px 8px; font-size: var(--font-size-xs); }
.inline { display: inline; }
.auth-main { width: min(440px, calc(100% - 32px)); margin: 10vh auto; background: var(--color-bg-surface); padding: 30px; border: 1px solid var(--color-border); border-radius: var(--radius-xl); }
.auth-main.wide { width: min(500px, calc(100% - 32px)); margin: 7vh auto; }
.auth-main h1 { margin-top: 0; color: var(--color-primary-darker); font-size: 24px; }
.auth-main label { display: block; margin: 18px 0 6px; font-weight: 700; }
.auth-main input { width: 100%; padding: 11px; border: 1px solid var(--color-border-strong); border-radius: var(--radius-sm); font: inherit; }
.auth-main button { width: 100%; margin-top: 22px; padding: 12px; background: var(--color-primary); color: #fff; border: 0; border-radius: var(--radius-sm); font-weight: 700; }
.password-row { display: flex; gap: 8px; }
.password-row input { flex: 1; min-width: 0; }
.auth-main .password-toggle { width: auto; min-width: 76px; margin: 0; padding: 8px 12px; background: #e9efeb; color: var(--color-text); }
.auth-error { padding: 11px; background: #fde8e8; color: #8a2118; border-radius: var(--radius-sm); }
.auth-hint { color: var(--color-text-muted); font-size: 13px; }
@media (max-width: 900px) {
    .sidebar { transform: translateX(-100%); transition: transform .18s ease; }
    .sidebar.open { transform: translateX(0); }
    .workspace { margin-left: 0; }
    .menu-toggle { display: inline-flex; }
    .topbar { padding: 0 16px; }
    main { padding: 0 16px 32px; }
    .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 600px) {
    .cards, .columns { grid-template-columns: 1fr; }
    .topbar { height: 66px; }
    .topbar p { max-width: 65vw; }
    .panel { padding: 14px; }
    main { margin-top: 16px; }
    .search-form { flex-wrap: wrap; }
}
@media print {
    .sidebar, .topbar, .no-print { display: none !important; }
    .workspace { margin: 0; }
    main { max-width: none; padding: 0; }
    .panel { border: 0; }
}
.field.full, .actions.full { grid-column: 1 / -1; }
.line-total { text-align: right; }
.totals { text-align: right; }
.brand-mark { height: 38px; width: 38px; border-radius: var(--radius-xl); background: var(--color-primary); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 20px; }