@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@500;600;700&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --bg: #f4f6f8;
  --surface: #ffffff;
  --surface-alt: #eef1f5;
  --border: #dde3ea;
  --text: #1b2430;
  --text-muted: #5b6773;
  --accent: #2e6f4e;
  --accent-hover: #255a3f;
  --accent-soft: #e2f0e7;
  --danger: #b3392f;
  --danger-soft: #fbe8e6;
  --warn: #9a6b00;
  --warn-soft: #fbf0da;
  --led-on: #38b26a;
  --led-off: #c9482f;
  --radius: 8px;
  --shadow: 0 1px 2px rgba(20, 30, 40, 0.06), 0 4px 14px rgba(20, 30, 40, 0.05);
}

[data-theme="dark"] {
  --bg: #11161c;
  --surface: #1a212a;
  --surface-alt: #212a34;
  --border: #2c3743;
  --text: #e7ecf1;
  --text-muted: #90a0af;
  --accent: #45b57e;
  --accent-hover: #58c98f;
  --accent-soft: #1c3227;
  --danger: #e2685c;
  --danger-soft: #33201e;
  --warn: #e0a83f;
  --warn-soft: #382c14;
  --led-on: #45e08c;
  --led-off: #e2685c;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 20px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  transition: background 0.2s ease, color 0.2s ease;
}

h1, h2, h3, .brand {
  font-family: 'Barlow Condensed', sans-serif;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text);
}

.mono, .balance, td.num {
  font-family: 'JetBrains Mono', monospace;
}

a { color: var(--accent); }

/* ---------- Layout ---------- */
.app-shell { display: flex; min-height: 100vh; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.topbar .brand { font-size: 22px; font-weight: 700; margin: 0; }
.topbar .brand span { color: var(--accent); }

.topbar-actions { display: flex; align-items: center; gap: 14px; }

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 28px 20px 60px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
  margin-bottom: 20px;
}

.card h2 { font-size: 20px; margin: 0 0 14px; }

/* ---------- Theme toggle (LED switch) ---------- */
.theme-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 6px 12px;
  font-size: 13px;
  color: var(--text-muted);
  user-select: none;
}
.theme-toggle .led {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--led-on);
  box-shadow: 0 0 6px var(--led-on);
}

/* ---------- Header: panel link, user chip, avatar ---------- */
.panel-link { text-decoration: none; white-space: nowrap; }

.user-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-left: 4px;
}
.user-chip .name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
}
.user-chip .group {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.avatar-circle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--accent);
  box-shadow: 0 3px 10px rgba(20, 30, 40, 0.28), 0 0 0 3px var(--surface-alt);
  flex-shrink: 0;
}
.avatar-fallback {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
}
[data-theme="dark"] .avatar-circle {
  box-shadow: 0 3px 14px rgba(0, 0, 0, 0.5), 0 0 0 3px var(--surface-alt);
}

/* ---------- Forms ---------- */
label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  margin: 12px 0 5px;
}
input, select, textarea {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.required::after { content: ' *'; color: var(--danger); }

.btn {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 6px;
  border: none;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.15s ease;
}
.btn:hover { background: var(--accent-hover); }
.btn.secondary { background: var(--surface-alt); color: var(--text); border: 1px solid var(--border); }
.btn.danger { background: var(--danger); }
.btn.block { width: 100%; }
.btn.excel-link {
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid var(--accent);
}
.btn.excel-link:hover { background: var(--accent); color: #fff; }

.msg { font-size: 13px; margin-top: 10px; padding: 8px 10px; border-radius: 6px; display: none; }
.msg.error { display: block; background: var(--danger-soft); color: var(--danger); }
.msg.success { display: block; background: var(--accent-soft); color: var(--accent); }

/* ---------- Tables ---------- */
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
th { color: var(--text-muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; }
tr:hover td { background: var(--surface-alt); }
td.num { text-align: right; font-weight: 600; }

.badge {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 12px; padding: 3px 9px; border-radius: 12px;
  background: var(--accent-soft); color: var(--accent); font-weight: 600;
}
.badge.used { background: var(--danger-soft); color: var(--danger); }
.badge.status-pending { background: var(--warn-soft); color: var(--warn); }
.badge.status-approved { background: var(--accent-soft); color: var(--accent); }
.badge.status-rejected { background: var(--danger-soft); color: var(--danger); }

/* ---------- Login page ---------- */
.login-wrap {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg);
}
.login-box {
  width: 340px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px 28px;
}
.login-box .brand { text-align: center; font-size: 26px; margin-bottom: 4px; }
.login-box .subtitle { text-align: center; color: var(--text-muted); font-size: 13px; margin-bottom: 20px; }

.profile-photo {
  width: 88px; height: 88px; border-radius: 50%;
  object-fit: cover; border: 2px solid var(--border);
  background: var(--surface-alt);
}
.profile-photo.avatar-fallback {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #fff;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 30px;
  letter-spacing: 0.02em;
}

.photo-upload-trigger {
  position: relative;
  cursor: pointer;
  display: inline-block;
  border-radius: 50%;
}
.photo-upload-trigger:hover .profile-photo { opacity: 0.8; }
.photo-upload-trigger .photo-upload-hint {
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  padding: 2px 9px;
  border-radius: 10px;
  white-space: nowrap;
  box-shadow: 0 2px 6px rgba(0,0,0,0.25);
}

nav.tabs { display: flex; gap: 6px; margin-bottom: 18px; flex-wrap: wrap; }
nav.tabs a {
  text-decoration: none;
  font-size: 13px; font-weight: 600; color: var(--text-muted);
  padding: 8px 14px; border-radius: 6px; background: var(--surface-alt);
  border: 1px solid var(--border);
}
nav.tabs a.active { background: var(--accent); color: #fff; border-color: var(--accent); }