/* ═══════════════════════════════════════════════════════════════════════════
   StoreFlow SaaS — Shared Design System v2
   Matches POS design tokens. Clean card-based SaaS layout.
   ═══════════════════════════════════════════════════════════════════════════ */

/* ─── Design Tokens ─────────────────────────────────────────────────── */
:root {
  --color-blue: #2563eb;
  --color-blue-hover: #1d4ed8;
  --color-blue-ring: rgba(59,130,246,0.25);
  --color-green: #16a34a;
  --color-green-hover: #15803d;
  --color-red: #dc2626;
  --color-red-hover: #b91c1c;
  --color-orange: #f59e0b;
  --color-navy: #0f172a;

  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-border: #e2e8f0;
  --color-border-strong: #cbd5e1;

  --color-text-primary: #0f172a;
  --color-text-secondary: #64748b;
  --color-text-muted: #94a3b8;

  --radius-sm: 8px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-2xl: 24px;

  --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.04), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg: 0 20px 25px rgba(0,0,0,0.10), 0 10px 10px rgba(0,0,0,0.04);

  --font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'SF Pro Display', sans-serif;
  --font-mono: "SF Mono", Consolas, "Liberation Mono", monospace;
}

/* ─── Reset ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-family: var(--font-family);
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body { background: var(--color-bg); color: var(--color-text-primary); min-height: 100vh; }

/* ─── Cards ─────────────────────────────────────────────────────────── */
body .card {
  background: var(--color-surface);
  border-radius: var(--radius-2xl);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  position: relative;
  border: 1px solid var(--color-border);
}

.card-sm { padding: 20px; border-radius: var(--radius-lg); }

/* ─── Auth Cards ────────────────────────────────────────────────────── */
body .login-card {
  background: var(--color-surface);
  border-radius: var(--radius-2xl);
  padding: 40px 32px;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow-md);
  position: relative;
  border: 1px solid var(--color-border);
}

/* ─── Logo Header ───────────────────────────────────────────────────── */
.logo-header {
  display: flex;
  align-items: center;
  gap: 10px;
  justify-content: center;
  margin-bottom: 20px;
}

.logo-header img { height: 36px; }

.logo-header span { font-size: 22px; font-weight: 700; color: var(--color-text-primary); }

.logo-header span .saas-label { font-weight: 400; color: var(--color-text-secondary); }

/* ─── Headings ──────────────────────────────────────────────────────── */
h1 { font-size: 22px; font-weight: 700; margin-bottom: 6px; }
h2 { font-size: 18px; font-weight: 600; }
.sub { color: var(--color-text-secondary); font-size: 14px; margin-bottom: 24px; }

/* ─── Buttons ───────────────────────────────────────────────────────── */
.btn, button.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 22px;
  border: none;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-family);
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
  white-space: nowrap;
}

.btn:active { transform: scale(0.97); }

body .btn-primary {
  background: var(--color-blue);
  color: #fff;
  box-shadow: 0 1px 2px rgba(37,99,235,0.3);
}

body .btn-primary:hover { background: var(--color-blue-hover); box-shadow: 0 2px 6px rgba(37,99,235,0.35); }

.btn-secondary {
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  color: var(--color-text-primary);
}

.btn-secondary:hover { background: var(--color-bg); border-color: #94a3b8; }

.btn-danger { background: var(--color-red); color: #fff; }
.btn-danger:hover { background: var(--color-red-hover); }

.btn-success { background: var(--color-green); color: #fff; }
.btn-success:hover { background: var(--color-green-hover); }

.btn-sm { padding: 5px 14px; font-size: 13px; border-radius: var(--radius-sm); }

/* ─── Forms ─────────────────────────────────────────────────────────── */
input[type="text"],
input[type="number"],
input[type="email"],
input[type="password"],
input[type="tel"],
input[type="date"],
input[type="month"],
input[type="week"],
input[type="search"] {
  padding: 10px 14px;
  border: 1.5px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-family: var(--font-family);
  background: var(--color-surface);
  color: var(--color-text-primary);
  width: 100%;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

input:focus { outline: none; border-color: var(--color-blue); box-shadow: 0 0 0 3px var(--color-blue-ring); }

select {
  padding: 10px 14px;
  border: 1.5px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-family: var(--font-family);
  background: var(--color-surface);
  color: var(--color-text-primary);
  width: 100%;
  cursor: pointer;
}

select:focus { outline: none; border-color: var(--color-blue); box-shadow: 0 0 0 3px var(--color-blue-ring); }

label { display: block; font-weight: 500; font-size: 13px; margin-bottom: 6px; color: var(--color-text-primary); }

/* ─── Form Group ────────────────────────────────────────────────────── */
.form-group { margin-bottom: 18px; }
.form-group .hint { font-size: 12px; color: var(--color-text-muted); margin-top: 4px; }

.form-row { display: flex; gap: 16px; margin-bottom: 16px; }
.form-row .form-group { flex: 1; margin-bottom: 0; }

/* ─── Tables ────────────────────────────────────────────────────────── */
table { width: 100%; border-collapse: collapse; font-size: 13px; }

thead th {
  background: #f1f5f9;
  padding: 12px 14px;
  text-align: left;
  font-weight: 600;
  font-size: 11px;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 2px solid var(--color-border);
}

tbody td { padding: 12px 14px; border-bottom: 1px solid #f1f5f9; vertical-align: middle; }
tbody tr:hover { background: #f8fafc; }

/* ─── Badges ────────────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.badge-active { background: #dcfce7; color: #166534; }
.badge-suspended { background: #fef3c7; color: #92400e; }
.badge-frozen { background: #fee2e2; color: #991b1b; }
.badge-pending { background: #dbeafe; color: #1e40af; }
.badge-success { background: #dcfce7; color: #166534; }
.badge-error { background: #fee2e2; color: #991b1b; }
.badge-warning { background: #fef3c7; color: #92400e; }

/* ─── Tabs ──────────────────────────────────────────────────────────── */
.tab-bar { display: flex; gap: 6px; margin-bottom: 24px; flex-wrap: wrap; }

.tab {
  padding: 10px 22px;
  border-radius: var(--radius-md);
  background: #e2e8f0;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease;
  border: none;
  font-family: var(--font-family);
  color: var(--color-text-secondary);
}

.tab:hover { background: #cbd5e1; color: var(--color-text-primary); }
.tab.active { background: var(--color-blue); color: #fff; }

/* ─── Admin Banner ──────────────────────────────────────────────────── */
.admin-banner {
  background: linear-gradient(135deg, var(--color-navy), #1e293b);
  color: #fff;
  padding: 24px;
  border-radius: var(--radius-lg);
  margin-bottom: 24px;
  text-align: center;
}

.admin-banner h2 { font-size: 18px; margin-bottom: 4px; font-weight: 600; }
.admin-banner p { font-size: 13px; opacity: 0.85; margin-bottom: 12px; }

.admin-banner a,
.admin-banner button {
  display: inline-block;
  padding: 8px 20px;
  background: var(--color-blue);
  color: #fff;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 500;
  font-size: 13px;
  border: none;
  cursor: pointer;
  transition: background 0.15s;
}

.admin-banner a:hover, .admin-banner button:hover { background: var(--color-blue-hover); }

/* ─── Header ────────────────────────────────────────────────────────── */
.header {
  max-width: 1200px;
  margin: 0 auto 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header h1 { font-size: 22px; font-weight: 700; margin: 0; }
.header .user-badge { font-size: 13px; color: var(--color-text-secondary); }
.header .user-badge strong { color: var(--color-text-primary); }

.header .logout-btn {
  padding: 6px 16px;
  border: none;
  background: var(--color-red);
  color: #fff;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  font-family: var(--font-family);
}

.header-right { display: flex; align-items: center; gap: 8px; }

/* ─── Panel / Tab Content ───────────────────────────────────────────── */
.panel { display: none; max-width: 1200px; margin: 0 auto; }
.panel.active { display: block; }

/* ─── Lang / UI Toggle ──────────────────────────────────────────────── */
.lang-btn {
  padding: 6px 12px;
  border: 1.5px solid var(--color-border-strong);
  background: var(--color-surface);
  color: var(--color-text-primary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font-family);
  transition: all 0.15s;
}

.lang-btn:hover { background: var(--color-bg); }

/* ─── Toasts ────────────────────────────────────────────────────────── */
.toast {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 10000;
  padding: 14px 24px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  transform: translateX(120%);
  transition: transform 0.3s ease;
  max-width: 400px;
}

.toast.show { transform: translateX(0); }
.toast.success { background: var(--color-green); color: #fff; }
.toast.error { background: var(--color-red); color: #fff; }

/* ─── Responsive ────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  body { padding: 12px; }
  .card, body .login-card { padding: 24px 16px; }
  .form-row { flex-direction: column; }
  .header { flex-direction: column; gap: 12px; align-items: flex-start; }
}