/* Fuel Intel - dark executive theme */

:root {
  --bg-primary: #0a0e14;
  --bg-secondary: #151a23;
  --bg-elevated: #1d2430;
  --border: #2a3444;
  --text-primary: #e8ecf1;
  --text-secondary: #8b95a5;
  --text-muted: #5a6478;
  --accent: #4a9eff;
  --accent-hover: #66b2ff;
  --success: #4ade80;
  --warning: #fbbf24;
  --danger: #f87171;
  --shadow: 0 4px 20px rgba(0,0,0,0.4);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header .brand {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.3px;
}

.header .brand .accent { color: var(--accent); }

.header .status {
  font-size: 12px;
  color: var(--text-muted);
  font-family: 'SF Mono', Monaco, Menlo, monospace;
}

.header .user-area {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header .logout {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13px;
  transition: color 0.15s;
}

.header .logout:hover {
  color: var(--text-primary);
}

.main {
  flex: 1;
  padding: 40px 32px;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
}

.hero {
  text-align: center;
  padding: 40px 0 56px;
}

.hero h1 {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}

.hero p {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
}

.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.card h2 {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.site-name {
  font-size: 22px;
  font-weight: 700;
}

.site-brand {
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 4px;
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font-weight: 500;
}

.fuel-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.fuel-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 14px;
  background: var(--bg-elevated);
  border-radius: 6px;
  font-size: 14px;
}

.fuel-row .fuel-name { color: var(--text-primary); }

.fuel-row .fuel-price {
  font-family: 'SF Mono', Monaco, Menlo, monospace;
  color: var(--text-muted);
  font-size: 13px;
}

.status-note {
  margin-top: 40px;
  padding: 16px 20px;
  background: var(--bg-secondary);
  border-left: 3px solid var(--accent);
  border-radius: 4px;
  font-size: 13px;
  color: var(--text-secondary);
}

.status-note strong { color: var(--text-primary); }

.footer {
  padding: 20px 32px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.7;
}

/* Login page */

.login-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 60vh;
  padding: 20px;
}

.login-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 36px 32px;
  width: 100%;
  max-width: 380px;
  box-shadow: var(--shadow);
}

.login-card h1 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 4px;
}

.login-card .subtitle {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.login-card label {
  display: block;
  margin-bottom: 16px;
}

.login-card label span {
  display: block;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.login-card input {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.15s;
}

.login-card input:focus {
  outline: none;
  border-color: var(--accent);
}

.login-card button {
  width: 100%;
  padding: 12px;
  margin-top: 8px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}

.login-card button:hover {
  background: var(--accent-hover);
}

.login-error {
  background: rgba(248, 113, 113, 0.1);
  border: 1px solid var(--danger);
  color: var(--danger);
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 13px;
  margin-bottom: 20px;
}

/* TGP bar */

.tgp-bar {
  margin-bottom: 28px;
  padding: 20px 24px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.tgp-title {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-secondary);
  margin-bottom: 14px;
}

.tgp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.tgp-card {
  padding: 14px 18px;
  background: var(--bg-elevated);
  border-radius: 6px;
}

.tgp-label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.tgp-price {
  font-size: 28px;
  font-weight: 700;
  font-family: 'SF Mono', Monaco, Menlo, monospace;
  letter-spacing: -0.5px;
}

.tgp-unit {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  margin-left: 6px;
  font-family: inherit;
}

.tgp-date {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}
/* Per-supplier TGP grid */

.tgp-supplier-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 16px;
}

.tgp-supplier-card {
  padding: 16px 18px;
  background: var(--bg-elevated);
  border-radius: 8px;
  border-left: 3px solid var(--accent);
}

.tgp-supplier-east {
  border-left-color: #FFD500;
}

.tgp-supplier-west {
  border-left-color: #E30613;
}

.tgp-supplier-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 12px;
}

.tgp-supplier-name {
  font-size: 14px;
  font-weight: 700;
}

.tgp-supplier-tag {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
}

.tgp-fuel-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.tgp-pill {
  background: var(--bg-secondary);
  border-radius: 5px;
  padding: 8px 10px;
  text-align: center;
}

.tgp-pill-label {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 3px;
}

.tgp-pill-price {
  font-family: 'SF Mono', Monaco, Menlo, monospace;
  font-size: 15px;
  font-weight: 600;
}

.proxy-flag {
  font-size: 10px;
  color: var(--text-muted);
  font-style: italic;
  margin-left: 6px;
}

/* ------- Buttons & hero actions ------- */

.hero-actions {
  margin-top: 24px;
  display: flex;
  justify-content: center;
  gap: 12px;
}

.button {
  display: inline-block;
  padding: 10px 20px;
  background: var(--accent);
  color: #fff;
  border-radius: 6px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  transition: background 0.15s;
}

.button:hover { background: var(--accent-hover); }


/* ------- Upload form ------- */

.upload-wrap {
  display: flex;
  justify-content: center;
  padding: 20px 0;
}

.upload-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 36px 32px;
  width: 100%;
  max-width: 540px;
  box-shadow: var(--shadow);
}

.upload-card h1 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 4px;
}

.upload-card .subtitle {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.radio-group {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 6px;
}

.radio-option {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  margin-bottom: 0 !important;
}

.radio-option input[type="radio"] { margin: 0; }

.radio-label {
  font-size: 14px;
  color: var(--text-primary);
  text-transform: none;
  letter-spacing: 0;
}

input[type="file"] {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 13px;
  font-family: inherit;
}

.upload-card button {
  width: 100%;
  padding: 12px;
  margin-top: 8px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.upload-card button:hover { background: var(--accent-hover); }

.upload-help {
  margin-top: 20px;
  padding: 12px 14px;
  background: var(--bg-elevated);
  border-radius: 6px;
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.6;
}

.back-link {
  display: inline-block;
  margin-top: 16px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13px;
}

.back-link:hover { color: var(--text-primary); }

/* Flash messages */
.flash {
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 13px;
  margin-bottom: 16px;
}

.flash-success {
  background: rgba(74, 222, 128, 0.1);
  border: 1px solid var(--success);
  color: var(--success);
}

.flash-error {
  background: rgba(248, 113, 113, 0.1);
  border: 1px solid var(--danger);
  color: var(--danger);
}


/* ------- Fuel margin panels ------- */

.margin-card h2 {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-secondary);
  margin-bottom: 14px;
}

.margin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.margin-table thead th {
  text-align: left;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-muted);
  font-weight: 600;
  padding: 8px 6px;
  border-bottom: 1px solid var(--border);
}

.margin-table th.num, .margin-table td.num {
  text-align: right;
  font-family: 'SF Mono', Monaco, Menlo, monospace;
}

.th-sub {
  font-weight: 400;
  font-size: 9px;
  color: var(--text-muted);
  text-transform: none;
  letter-spacing: 0;
}

.margin-table tbody tr {
  border-bottom: 1px solid var(--border);
}

.margin-table tbody tr:last-child { border-bottom: none; }

.margin-table td {
  padding: 10px 6px;
}

.margin-table td.fuel-code {
  font-weight: 700;
  font-size: 13px;
}

.margin-table td.net-cpl {
  font-weight: 700;
  font-size: 14px;
}

.flag-pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.flag-pill-green {
  background: rgba(74, 222, 128, 0.15);
  color: var(--success);
}

.flag-pill-amber {
  background: rgba(251, 191, 36, 0.15);
  color: var(--warning);
}

.flag-pill-red {
  background: rgba(248, 113, 113, 0.15);
  color: var(--danger);
}

.flag-red td.net-cpl { color: var(--danger); }
.flag-amber td.net-cpl { color: var(--warning); }
.flag-green td.net-cpl { color: var(--success); }

.margin-note {
  margin-top: 14px;
  font-size: 11px;
  color: var(--text-muted);
  font-style: italic;
}

.no-data {
  padding: 32px 16px;
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
}

.no-data a {
  color: var(--accent);
  text-decoration: none;
}