:root {
  --bg: #f6f5f8;
  --surface: #ffffff;
  --text: #18181b;
  --text-muted: #6c6b76;
  --border: #e4e3ea;
  --accent: #7c3aed;
  --accent-hover: #6d28d9;
  --accent-soft: #f1ebfe;
  --danger: #dc2626;
  --danger-soft: #fee2e2;
  --success: #16a34a;
  --success-soft: #dcfce7;
  --warning: #d97706;
  --warning-soft: #fef3c7;
  --radius: 10px;
  --radius-lg: 14px;
  --shadow: 0 1px 2px rgba(20,16,32,0.04), 0 1px 8px rgba(20,16,32,0.04);
  --sidebar-bg: #18151f;
  --sidebar-text: #b6b3c2;
  --sidebar-border: rgba(255,255,255,0.08);
  --sidebar-width: 232px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e0e11;
    --surface: #1a191f;
    --text: #f1f0f3;
    --text-muted: #9d9ca6;
    --border: #2c2b33;
    --accent: #a481f5;
    --accent-hover: #b89bf7;
    --accent-soft: #251f38;
    --danger-soft: #3a1f22;
    --success-soft: #16301f;
    --warning-soft: #382a10;
    --shadow: 0 1px 2px rgba(0,0,0,0.3), 0 1px 8px rgba(0,0,0,0.25);
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  max-width: 920px;
  margin: 0 auto;
  padding: 28px 20px 64px;
}

h1 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin: 4px 0 20px;
  color: var(--text);
}
h2 {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 26px 0 14px;
}

/* ---------- Sidebar ---------- */
nav.sidebar {
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  z-index: 30;
  width: 100%;
}

.sidebar-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  flex-shrink: 0;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.brand-logo { height: 28px; width: 28px; object-fit: contain; border-radius: 6px; flex-shrink: 0; }
.brand-mark { font-size: 1.25rem; line-height: 1; }
.brand-name {
  font-weight: 700;
  font-size: 1.01rem;
  letter-spacing: -0.01em;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--sidebar-text);
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
}
.sidebar-toggle:hover { background: rgba(255,255,255,0.08); }

.sidebar-links {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 4px 10px 12px;
}

.sidebar-links a {
  display: flex;
  align-items: center;
  gap: 11px;
  color: var(--sidebar-text);
  padding: 9px 12px;
  border-radius: 8px;
  font-size: 0.92rem;
  font-weight: 500;
  transition: background 0.12s ease, color 0.12s ease;
}
.sidebar-links a:hover { background: rgba(255,255,255,0.07); color: #fff; }
.sidebar-links a.active { background: var(--accent); color: #fff; }
.nav-icon { font-size: 0.95rem; width: 18px; text-align: center; flex-shrink: 0; }

.sidebar-bottom {
  margin-top: auto;
  padding: 14px 16px 18px;
  border-top: 1px solid var(--sidebar-border);
  flex-shrink: 0;
}
.sidebar-user {
  color: var(--sidebar-text);
  font-size: 0.78rem;
  margin-bottom: 10px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sidebar-logout {
  width: 100%;
  background: transparent;
  border: 1px solid var(--sidebar-border);
  color: var(--sidebar-text);
}
.sidebar-logout:hover { background: rgba(255,255,255,0.08); color: #fff; }

/* Desktop: fixed sidebar, content offset to the right */
@media (min-width: 900px) {
  nav.sidebar {
    position: fixed;
    top: 0; left: 0;
    height: 100vh;
    width: var(--sidebar-width);
    overflow-y: auto;
  }
  .sidebar-toggle { display: none !important; }
  .sidebar-links { display: flex !important; }
  .sidebar-bottom { display: block !important; }
  /* Only offsets pages that actually have the sidebar (login has none) */
  nav.sidebar ~ .container {
    margin-left: var(--sidebar-width);
  }
}

/* Mobile / tablet: collapsible top bar */
@media (max-width: 899px) {
  .sidebar-top { padding: 12px 16px; }
  .sidebar-toggle { display: block; }
  .sidebar-links { display: none; padding-top: 0; }
  .sidebar-bottom { display: none; }
  nav.sidebar.sidebar-open .sidebar-links { display: flex; }
  nav.sidebar.sidebar-open .sidebar-bottom { display: block; }
}

/* ---------- Cards & structure ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 18px 20px;
  margin-bottom: 18px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
th, td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
}
th { color: var(--text-muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.03em; }
tbody tr:hover { background: var(--bg); }
tbody tr:last-child td { border-bottom: none; }

/* ---------- Forms ---------- */
input[type=text], input[type=email], input[type=password], input[type=number],
input[type=tel], input[type=file], select, textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 0.96rem;
  margin-bottom: 12px;
  transition: border-color 0.12s ease;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
label { font-size: 0.82rem; font-weight: 600; color: var(--text-muted); display: block; margin-bottom: 4px; }

/* ---------- Buttons ---------- */
button, .btn {
  display: inline-block;
  background: var(--accent);
  color: white;
  border: none;
  padding: 10px 18px;
  border-radius: var(--radius);
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  transition: background 0.12s ease, transform 0.05s ease;
}
button:hover, .btn:hover { background: var(--accent-hover); color: white; }
button:active, .btn:active { transform: translateY(1px); }

.btn-secondary { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--bg); color: var(--text); }
.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #b91c1c; }

/* ---------- Badges ---------- */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}
.badge-submitted { background: var(--warning-soft); color: #92400e; }
.badge-confirmed { background: #dbeafe; color: #1e40af; }
.badge-delivered { background: var(--success-soft); color: #166534; }
.badge-cancelled { background: var(--danger-soft); color: #991b1b; }

/* ---------- Utility ---------- */
.text-muted { color: var(--text-muted); }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }
.flex-between { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.grid { display: grid; gap: 14px; grid-template-columns: 1fr; }
@media (min-width: 640px) {
  .grid-2 { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr 1fr; }
}
.zone-heading { margin-top: 22px; font-weight: 700; color: var(--accent); font-size: 0.95rem; }
.stat { text-align: center; }
.stat .value { font-size: 1.7rem; font-weight: 800; letter-spacing: -0.02em; }
.stat .label { font-size: 0.78rem; color: var(--text-muted); margin-top: 2px; }
form.inline { display: inline; }
.mt-0 { margin-top: 0; }