/* Billable Tracker - clean, professional, dark-modern */
:root {
  --primary: #2d6a4f;
  --primary-light: #40916c;
  --primary-dark: #1b4332;
  --bg: #0f0f1a;
  --bg-card: #1a1a2e;
  --bg-card-hover: #222240;
  --text: #e0e0e0;
  --text-light: #999;
  --text-muted: #666;
  --border: #2a2a45;
  --accent: #e9c46a;
  --success: #52b788;
  --danger: #e63946;
  --warning: #f4a261;
  --radius: 10px;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

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

/* Nav */
nav {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 0.8rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
nav .logo { font-weight: 700; font-size: 1.2rem; color: var(--primary-light); }
nav .logo span { color: var(--accent); }
nav .nav-right { display: flex; gap: 1rem; align-items: center; }
nav .nav-right a { font-size: 0.9rem; color: var(--text-light); }
nav .nav-right a:hover { color: var(--text); }

/* Container */
.container { max-width: 1000px; margin: 0 auto; padding: 1.5rem; }

/* Cards */
.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1rem;
  border: 1px solid var(--border);
}
.card:hover { background: var(--bg-card-hover); }

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.6rem 1.5rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
}
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #40916c; }
.btn-danger { background: var(--danger); color: white; }
.btn-danger:hover { opacity: 0.85; }
.btn-sm { padding: 0.3rem 0.8rem; font-size: 0.8rem; }
.btn-block { width: 100%; text-align: center; }

/* Forms */
input, select, textarea {
  width: 100%;
  padding: 0.7rem 1rem;
  background: #0f0f1a;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
  margin-bottom: 0.8rem;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary-light);
}
label { display: block; font-weight: 600; margin-bottom: 0.3rem; font-size: 0.9rem; color: var(--text-light); }

/* Tables */
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { padding: 0.7rem 1rem; text-align: left; border-bottom: 1px solid var(--border); }
th { background: var(--bg-card); color: var(--text-light); font-weight: 600; }
tr:hover { background: var(--bg-card-hover); }

/* Timesheet entries */
.entry-row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  padding: 0.8rem;
  background: var(--bg-card);
  border-radius: var(--radius);
  margin-bottom: 0.5rem;
  border: 1px solid var(--border);
}
.entry-row .time { flex: 0 0 180px; }
.entry-row .header { flex: 1; }
.entry-row .actions { flex: 0 0 auto; display: flex; gap: 0.3rem; }
.entry-row input[type="time"] {
  width: auto;
  display: inline;
  margin-bottom: 0;
  padding: 0.3rem 0.5rem;
  font-size: 0.85rem;
}

/* Status badges */
.badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-active { background: #1b4332; color: var(--success); }
.badge-locked { background: #3d3520; color: var(--accent); }
.badge-signed { background: #1a3a2e; color: var(--success); }
.badge-approved { background: #1a3a2e; color: var(--success); }

/* Login page */
.login-page {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}
.login-box {
  background: var(--bg-card);
  padding: 2.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  width: 100%;
  max-width: 360px;
}
.login-box h1 { text-align: center; color: var(--primary-light); margin-bottom: 1.5rem; }

/* Sync indicator */
.sync-indicator {
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 0.4rem 0.8rem;
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  z-index: 100;
}
.sync-indicator .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  display: inline-block;
}
.sync-indicator .dot.online { background: var(--success); }
.sync-indicator .dot.offline { background: var(--warning); }
.sync-indicator .dot.syncing { background: var(--accent); animation: pulse 1s infinite; }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* Signature pad */
#sig-canvas {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  width: 100%;
  max-width: 500px;
  height: 150px;
  cursor: crosshair;
  background: #0a0a15;
  touch-action: none;
}
.sig-actions { display: flex; gap: 0.5rem; margin-top: 0.5rem; }

/* Login */
.error-msg { color: var(--danger); font-size: 0.85rem; margin-bottom: 0.8rem; }

/* Admin grid */
.admin-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.admin-grid .full { grid-column: 1 / -1; }
@media (max-width: 768px) {
  .admin-grid { grid-template-columns: 1fr; }
}

/* Sub-header */
.sub-header { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 0.5rem; }

/* Responsive */
@media (max-width: 768px) {
  .container { padding: 1rem; }
  .entry-row { flex-wrap: wrap; }
  .entry-row .time { flex: 1 1 100%; }
}