/* ============================================================
   ShipHelper — Shared Stylesheet
   ============================================================ */

/* --- CSS Custom Properties --------------------------------- */
:root {
  --bg:        #0f1117;
  --surface:   #1a1d27;
  --card:      #22263a;
  --card-hover:#282d42;
  --border:    #2e3354;
  --primary:   #4f7cff;
  --primary-h: #3a66e8;
  --success:   #22c55e;
  --warning:   #f59e0b;
  --danger:    #ef4444;
  --danger-h:  #dc2626;
  --text:      #e2e8f0;
  --text-secondary: #94a3b8;
  --muted:     #64748b;

  --radius-sm: 6px;
  --radius:    10px;
  --radius-lg: 16px;

  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing:    16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl:48px;

  --font: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;

  --shadow: 0 4px 16px rgba(0,0,0,.35);
  --shadow-sm: 0 2px 8px rgba(0,0,0,.25);
  --transition: 150ms ease;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--primary-h); }

img { max-width: 100%; display: block; }

ul, ol { list-style: none; }

h1, h2, h3, h4, h5, h6 {
  line-height: 1.3;
  font-weight: 600;
}

/* --- Layout ------------------------------------------------ */
.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: var(--spacing-lg);
}

.page-content {
  padding: var(--spacing-xl) 0;
}

/* --- Navigation Bar ---------------------------------------- */
.navbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  height: 60px;
  display: flex;
  align-items: center;
}

.navbar .container {
  display: flex;
  align-items: center;
  gap: var(--spacing);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  flex-shrink: 0;
}

.navbar-brand .brand-icon {
  width: 32px;
  height: 32px;
  background: var(--primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-left: var(--spacing-sm);
}

.navbar-nav a {
  color: var(--text-secondary);
  font-size: .875rem;
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
}

.navbar-nav a:hover,
.navbar-nav a.active {
  color: var(--text);
  background: var(--card);
}

.navbar-spacer { flex: 1; }

.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.navbar-user {
  font-size: .875rem;
  color: var(--text-secondary);
}

/* --- Cards ------------------------------------------------- */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--spacing-lg);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-lg);
  gap: var(--spacing);
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}

.card-subtitle {
  font-size: .75rem;
  color: var(--muted);
  margin-top: 2px;
}

/* --- Buttons ----------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 8px 16px;
  font-size: .875rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition),
              border-color var(--transition), opacity var(--transition);
  white-space: nowrap;
  font-family: inherit;
  line-height: 1.4;
  text-decoration: none;
}

.btn:disabled,
.btn[disabled] {
  opacity: .45;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-sm {
  padding: 5px 10px;
  font-size: .8125rem;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-primary:hover {
  background: var(--primary-h);
  border-color: var(--primary-h);
  color: #fff;
}

.btn-secondary {
  background: var(--card);
  color: var(--text);
  border-color: var(--border);
}
.btn-secondary:hover {
  background: var(--card-hover);
  color: var(--text);
}

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

.btn-warning {
  background: var(--warning);
  color: #000;
  border-color: var(--warning);
}
.btn-warning:hover {
  background: #d97706;
  border-color: #d97706;
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: transparent;
}
.btn-ghost:hover {
  background: var(--card);
  color: var(--text);
}

.btn-success {
  background: var(--success);
  color: #fff;
  border-color: var(--success);
}
.btn-success:hover {
  background: #16a34a;
  border-color: #16a34a;
  color: #fff;
}

/* --- Badges ------------------------------------------------ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  font-size: .75rem;
  font-weight: 600;
  border-radius: 20px;
  letter-spacing: .02em;
  text-transform: uppercase;
}

.badge-pending  { background: rgba(245,158,11,.15); color: var(--warning); }
.badge-shipped  { background: rgba(79,124,255,.15);  color: var(--primary); }
.badge-delivered{ background: rgba(34,197,94,.15);  color: var(--success); }
.badge-cancelled{ background: rgba(239,68,68,.15);  color: var(--danger); }
.badge-active   { background: rgba(34,197,94,.15);  color: var(--success); }
.badge-inactive { background: rgba(100,116,139,.15);color: var(--muted); }
.badge-admin    { background: rgba(79,124,255,.15);  color: var(--primary); }
.badge-expired  { background: rgba(239,68,68,.15);  color: var(--danger); }
.badge-ok       { background: rgba(34,197,94,.15);  color: var(--success); }
.badge-warning  { background: rgba(245,158,11,.15); color: var(--warning); }

/* --- Forms ------------------------------------------------- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing);
}

.form-group:last-child { margin-bottom: 0; }

label {
  font-size: .8125rem;
  font-weight: 500;
  color: var(--text-secondary);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="search"],
select,
textarea {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: inherit;
  font-size: .9375rem;
  padding: 9px 12px;
  width: 100%;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
input[type="search"]:focus,
select:focus,
textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79,124,255,.18);
}

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 30px;
  cursor: pointer;
}

select option {
  background: var(--surface);
  color: var(--text);
}

input[type="number"].input-inline {
  width: 80px;
  padding: 5px 8px;
  font-size: .8125rem;
}

textarea {
  resize: vertical;
  min-height: 80px;
}

::placeholder { color: var(--muted); }

.form-error {
  font-size: .8125rem;
  color: var(--danger);
  margin-top: 2px;
}

/* --- Tables ------------------------------------------------ */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: .875rem;
}

thead {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

thead th {
  padding: 12px 16px;
  text-align: left;
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--muted);
  white-space: nowrap;
}

tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}

tbody tr:last-child { border-bottom: none; }

tbody tr:hover { background: rgba(255,255,255,.025); }

tbody td {
  padding: 13px 16px;
  color: var(--text);
  vertical-align: middle;
}

.td-muted {
  color: var(--muted);
  font-size: .8125rem;
}

.td-mono {
  font-family: var(--font-mono);
  font-size: .8125rem;
}

/* --- Modal ------------------------------------------------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.65);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 500;
  padding: var(--spacing-lg);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 480px;
  box-shadow: var(--shadow);
  transform: translateY(12px);
  transition: transform var(--transition);
}

.modal-overlay.open .modal {
  transform: translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border);
}

.modal-title {
  font-size: 1rem;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--muted);
  font-size: 1.25rem;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  line-height: 1;
}

.modal-close:hover {
  color: var(--text);
  background: var(--surface);
}

.modal-body {
  padding: var(--spacing-lg);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-sm);
  padding: var(--spacing);
  border-top: 1px solid var(--border);
}

/* --- Alerts ------------------------------------------------ */
.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  padding: 12px var(--spacing);
  border-radius: var(--radius-sm);
  font-size: .875rem;
  border: 1px solid transparent;
}

.alert-success {
  background: rgba(34,197,94,.1);
  border-color: rgba(34,197,94,.25);
  color: #4ade80;
}

.alert-error {
  background: rgba(239,68,68,.1);
  border-color: rgba(239,68,68,.25);
  color: #f87171;
}

.alert-warning {
  background: rgba(245,158,11,.1);
  border-color: rgba(245,158,11,.25);
  color: #fbbf24;
}

.alert-info {
  background: rgba(79,124,255,.1);
  border-color: rgba(79,124,255,.25);
  color: #7ba3ff;
}

/* --- Toast Notifications ----------------------------------- */
#toast-container {
  position: fixed;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  z-index: 1000;
  pointer-events: none;
}

.toast {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px var(--spacing);
  font-size: .875rem;
  box-shadow: var(--shadow);
  min-width: 260px;
  max-width: 380px;
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  pointer-events: all;
  animation: toast-in .25s ease;
}

.toast.toast-success { border-left: 3px solid var(--success); }
.toast.toast-error   { border-left: 3px solid var(--danger); }
.toast.toast-warning { border-left: 3px solid var(--warning); }
.toast.toast-info    { border-left: 3px solid var(--primary); }

.toast-icon { font-size: 1rem; flex-shrink: 0; margin-top: 1px; }
.toast-message { flex: 1; line-height: 1.4; }

@keyframes toast-in {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes toast-out {
  from { opacity: 1; transform: translateX(0); }
  to   { opacity: 0; transform: translateX(20px); }
}

.toast.removing {
  animation: toast-out .2s ease forwards;
}

/* --- Loading Spinner --------------------------------------- */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  flex-shrink: 0;
}

.spinner-sm {
  width: 14px;
  height: 14px;
  border-width: 2px;
}

.spinner-lg {
  width: 36px;
  height: 36px;
  border-width: 3px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing);
  padding: var(--spacing-2xl);
  color: var(--muted);
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-2xl);
  color: var(--muted);
  font-size: .875rem;
}

.empty-state .empty-icon {
  font-size: 2.5rem;
  opacity: .4;
}

/* --- Section titles ---------------------------------------- */
.section-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: var(--spacing-lg);
}

/* --- Filter bar -------------------------------------------- */
.filter-bar {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.filter-bar select {
  width: auto;
  min-width: 140px;
}

/* --- Grid helpers ------------------------------------------ */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--spacing);
}

/* --- Account card ------------------------------------------ */
.account-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--spacing);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.account-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
}

.account-card-title {
  font-weight: 600;
  font-size: .9375rem;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.account-card-meta {
  font-size: .8125rem;
  color: var(--muted);
}

/* --- Stats row --------------------------------------------- */
.stats-row {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.stat-pill {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 4px 10px;
  font-size: .75rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 5px;
}

.stat-pill strong { color: var(--text); }

/* --- Inline edit row --------------------------------------- */
.inline-edit {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

/* --- Actions group in table -------------------------------- */
.actions-group {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  flex-wrap: nowrap;
}

/* --- Divider ----------------------------------------------- */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: var(--spacing-lg) 0;
}

/* --- Page header ------------------------------------------- */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

.page-header-title {
  font-size: 1.5rem;
  font-weight: 700;
}

.page-header-subtitle {
  font-size: .875rem;
  color: var(--muted);
  margin-top: 2px;
}

/* --- Scrollbar styling ------------------------------------- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--muted); }

/* --- Responsive -------------------------------------------- */
@media (max-width: 768px) {
  .container { padding-inline: var(--spacing); }
  .page-content { padding: var(--spacing-lg) 0; }

  .navbar-user { display: none; }

  thead th, tbody td { padding: 10px 12px; }

  #toast-container {
    bottom: var(--spacing);
    right: var(--spacing);
    left: var(--spacing);
  }

  .toast { min-width: unset; max-width: unset; width: 100%; }

  .page-header { flex-direction: column; align-items: flex-start; }

  .modal { max-width: 100%; }
  .modal-overlay { align-items: flex-end; padding: 0; }
  .modal { border-bottom-left-radius: 0; border-bottom-right-radius: 0; }
}