/* ============================================================================
   Staffline EMS — Base Styles
   Theme: dark navy / cyan glassmorphism
   ============================================================================ */

:root {
  --bg-base: #060b16;
  --bg-gradient: radial-gradient(circle at 20% -10%, #0a1a33 0%, #060b16 45%),
                 radial-gradient(circle at 90% 10%, #061f2b 0%, transparent 40%);
  --surface: rgba(18, 30, 51, 0.55);
  --surface-solid: #101a2c;
  --surface-border: rgba(103, 232, 249, 0.14);
  --cyan: #22d3ee;
  --cyan-bright: #67e8f9;
  --cyan-dim: rgba(34, 211, 238, 0.15);
  --text-primary: #e6f1f8;
  --text-secondary: #94a7bd;
  --text-muted: #5c6d84;
  --danger: #f87171;
  --danger-dim: rgba(248, 113, 113, 0.15);
  --success: #34d399;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-glow: 0 0 0 1px var(--surface-border), 0 20px 60px -20px rgba(0, 0, 0, 0.6);
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  background: var(--bg-base);
  background-image: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text-primary);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
}

#app { min-height: 100vh; }

h1, h2, h3, h4 { margin: 0 0 0.5em 0; font-weight: 600; letter-spacing: -0.01em; }
p { margin: 0 0 1em 0; color: var(--text-secondary); }

.glass {
  background: var(--surface);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-glow);
}

/* ---------------------------------------------------------------------------
   Buttons
   ------------------------------------------------------------------------- */
.btn {
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.65rem 1.1rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.15s ease;
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }

.btn--primary {
  background: linear-gradient(135deg, var(--cyan) 0%, #06b6d4 100%);
  color: #04141c;
  box-shadow: 0 8px 24px -8px rgba(34, 211, 238, 0.5);
}
.btn--primary:hover:not(:disabled) { box-shadow: 0 10px 30px -6px rgba(34, 211, 238, 0.65); }

.btn--ghost {
  background: transparent;
  border-color: var(--surface-border);
  color: var(--text-secondary);
}
.btn--ghost:hover { color: var(--text-primary); border-color: var(--cyan-dim); }

.btn--danger {
  background: linear-gradient(135deg, #f87171 0%, #ef4444 100%);
  color: #2b0a0a;
}

.btn--sm { padding: 0.4rem 0.75rem; font-size: 0.8rem; }
.btn--full { width: 100%; }

.btn-icon {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  font-size: 1rem;
  padding: 0.35rem 0.5rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.btn-icon:hover:not(:disabled) { background: var(--cyan-dim); border-color: var(--surface-border); }
.btn-icon:disabled { opacity: 0.3; cursor: not-allowed; }
.btn-icon--danger:hover:not(:disabled) { background: var(--danger-dim); }

/* ---------------------------------------------------------------------------
   Inputs
   ------------------------------------------------------------------------- */
.input {
  width: 100%;
  font-family: inherit;
  font-size: 0.9rem;
  padding: 0.65rem 0.85rem;
  background: rgba(6, 14, 26, 0.6);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.input::placeholder { color: var(--text-muted); }
.input:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px var(--cyan-dim); }
.input--error { border-color: var(--danger); }
.input--sm { padding: 0.45rem 0.6rem; font-size: 0.82rem; }

select.input { appearance: none; }
textarea.input { resize: vertical; min-height: 4.5rem; }

.form-field { margin-bottom: 1rem; }
.form-field label { display: block; font-size: 0.8rem; font-weight: 600; color: var(--text-secondary); margin-bottom: 0.35rem; }
.required-mark { color: var(--danger); }
.field-error { display: block; font-size: 0.75rem; color: var(--danger); margin-top: 0.3rem; min-height: 1em; }
.form-errors { color: var(--danger); font-size: 0.85rem; margin-bottom: 0.75rem; }
.form-errors:empty { display: none; }

.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0 1rem; }
.form-section { border: 1px solid var(--surface-border); border-radius: var(--radius-md); padding: 1rem 1.25rem 0.25rem; margin-bottom: 1.25rem; }
.form-section legend { padding: 0 0.5rem; font-weight: 600; color: var(--cyan-bright); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.04em; }

/* ---------------------------------------------------------------------------
   Auth screen
   ------------------------------------------------------------------------- */
.auth-screen { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 1.5rem; }
.auth-card { width: 100%; max-width: 380px; padding: 2.5rem 2rem; text-align: center; }
.auth-logo { font-size: 2.5rem; margin-bottom: 0.5rem; }
.auth-subtitle { font-size: 0.85rem; margin-bottom: 1.75rem; }
.login-form { text-align: left; }

/* ---------------------------------------------------------------------------
   Topbar
   ------------------------------------------------------------------------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.85rem 1.5rem;
  background: rgba(9, 16, 29, 0.75);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--surface-border);
  position: sticky; top: 0; z-index: 20;
  flex-wrap: wrap; gap: 0.75rem;
}
.topbar__brand { display: flex; align-items: center; gap: 0.5rem; font-weight: 700; font-size: 1.05rem; }
.topbar__tabs { display: flex; gap: 0.4rem; }
.tab { background: transparent; border: 1px solid transparent; color: var(--text-secondary); padding: 0.5rem 0.9rem; border-radius: var(--radius-sm); cursor: pointer; font-weight: 600; font-size: 0.85rem; }
.tab--active { background: var(--cyan-dim); color: var(--cyan-bright); border-color: var(--surface-border); }
.topbar__user { display: flex; align-items: center; gap: 0.75rem; }
.user-badge { display: flex; align-items: center; gap: 0.5rem; font-size: 0.82rem; color: var(--text-secondary); }
.role-pill { font-size: 0.68rem; font-weight: 700; text-transform: uppercase; padding: 0.15rem 0.5rem; border-radius: 999px; letter-spacing: 0.03em; }
.role-pill--admin { background: var(--cyan-dim); color: var(--cyan-bright); }
.role-pill--user { background: rgba(148, 167, 189, 0.15); color: var(--text-secondary); }

/* ---------------------------------------------------------------------------
   Main content / dashboard
   ------------------------------------------------------------------------- */
.main-content { padding: 1.5rem; max-width: 1280px; margin: 0 auto; }
.dashboard-header { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem; margin-bottom: 1.25rem; }
.dashboard-header h1 { display: inline-block; margin-right: 0.6rem; }
.count-badge { font-size: 0.8rem; color: var(--text-muted); }
.dashboard-actions { display: flex; gap: 0.6rem; align-items: center; }
.search-input { min-width: 260px; }
.table-wrap { padding: 0.5rem; overflow-x: auto; }

/* ---------------------------------------------------------------------------
   Loading / empty states
   ------------------------------------------------------------------------- */
.loading-state, .empty-state { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 3.5rem 1rem; color: var(--text-secondary); }
.empty-state__icon { font-size: 2.2rem; margin-bottom: 0.6rem; opacity: 0.7; }
.spinner {
  width: 28px; height: 28px; border-radius: 50%;
  border: 3px solid var(--surface-border); border-top-color: var(--cyan);
  animation: spin 0.8s linear infinite; margin-bottom: 0.75rem;
}
@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 640px) {
  .main-content { padding: 1rem; }
  .search-input { min-width: 0; width: 100%; }
  .dashboard-actions { width: 100%; flex-direction: column; align-items: stretch; }
}