/* ============================================================
   SOLOUCE Kundenportal – Design System
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;700;900&display=swap');

/* ---------- CSS Variables: Dark Mode (Standard) ---------- */
:root {
  --bg:            #1D1C20;
  --bg-secondary:  #252429;
  --bg-card:       #2A2930;
  --bg-hover:      #32303A;
  --accent:        #00A279;
  --accent-hover:  #00B589;
  --accent-dim:    rgba(0, 162, 121, 0.15);
  --text:          #FFFFFF;
  --text-muted:    rgba(255, 255, 255, 0.55);
  --text-subtle:   rgba(255, 255, 255, 0.3);
  --border:        rgba(255, 255, 255, 0.08);
  --border-accent: rgba(0, 162, 121, 0.4);
  --shadow:        0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-sm:     0 2px 8px rgba(0, 0, 0, 0.3);
  --sidebar-w:     260px;
  --radius:        12px;
  --radius-sm:     8px;
  --transition:    0.2s ease;
}

/* ---------- CSS Variables: Light Mode ---------- */
[data-theme="light"] {
  --bg:            #F4F4F6;
  --bg-secondary:  #FFFFFF;
  --bg-card:       #FFFFFF;
  --bg-hover:      #F0F0F2;
  --accent:        #00A279;
  --accent-hover:  #008A67;
  --accent-dim:    rgba(0, 162, 121, 0.1);
  --text:          #1D1C20;
  --text-muted:    rgba(29, 28, 32, 0.55);
  --text-subtle:   rgba(29, 28, 32, 0.3);
  --border:        rgba(29, 28, 32, 0.1);
  --border-accent: rgba(0, 162, 121, 0.35);
  --shadow:        0 4px 24px rgba(0, 0, 0, 0.08);
  --shadow-sm:     0 2px 8px rgba(0, 0, 0, 0.06);
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Montserrat', sans-serif;
  font-weight: 400;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  transition: background var(--transition), color var(--transition);
}

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

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

ul { list-style: none; }

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4 {
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }
h4 { font-size: 1.1rem; }

p { font-weight: 300; color: var(--text-muted); margin-bottom: 0.75rem; }
p:last-child { margin-bottom: 0; }

.text-muted  { color: var(--text-muted) !important; }
.text-accent { color: var(--accent) !important; }
.fw-400 { font-weight: 400; }
.fw-300 { font-weight: 300; }
.fw-900 { font-weight: 900; }

/* ============================================================
   LAYOUT – SIDEBAR + MAIN
   ============================================================ */
.layout {
  display: flex;
  min-height: 100vh;
}

/* --- Sidebar --- */
.sidebar {
  width: var(--sidebar-w);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  z-index: 100;
  transition: transform var(--transition), background var(--transition);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.sidebar-logo {
  padding: 2rem 1.5rem 1.5rem;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.sidebar-logo .logo-text {
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  color: var(--text);
  display: block;
}

.sidebar-logo .logo-accent { color: var(--accent); }

.sidebar-logo .logo-sub {
  font-size: 0.7rem;
  font-weight: 300;
  color: var(--text-muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-top: 0.15rem;
}

.sidebar-user {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.sidebar-user .user-name {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-user .user-role {
  font-size: 0.72rem;
  font-weight: 300;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 0.2rem;
}

.sidebar-nav {
  padding: 1rem 0;
  flex: 1;
}

.nav-section-label {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-subtle);
  padding: 0.75rem 1.5rem 0.3rem;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 1.5rem;
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 400;
  border-radius: 0;
  transition: all var(--transition);
  cursor: pointer;
  position: relative;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  text-decoration: none;
}

.nav-item:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.nav-item.active {
  background: var(--accent-dim);
  color: var(--accent);
  font-weight: 700;
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--accent);
  border-radius: 0 2px 2px 0;
}

.nav-item .nav-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  opacity: 0.7;
}

.nav-item.active .nav-icon { opacity: 1; }

.sidebar-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

/* --- Main Content --- */
.main {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 0.9rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  position: sticky;
  top: 0;
  z-index: 50;
  transition: background var(--transition);
}

.topbar-title {
  font-size: 1rem;
  font-weight: 900;
  color: var(--text);
  letter-spacing: -0.01em;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.content {
  padding: 2rem;
  flex: 1;
}

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: background var(--transition), border-color var(--transition);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.card-title {
  font-size: 1rem;
  font-weight: 900;
  color: var(--text);
}

.card-subtitle {
  font-size: 0.8rem;
  font-weight: 300;
  color: var(--text-muted);
  margin-top: 0.15rem;
}

/* Stat Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: border-color var(--transition), transform var(--transition);
}

.stat-card:hover { border-color: var(--border-accent); transform: translateY(-2px); }

.stat-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.stat-value {
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--text);
  line-height: 1;
}

.stat-sub {
  font-size: 0.78rem;
  font-weight: 300;
  color: var(--text-muted);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-sm);
  font-family: 'Montserrat', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
  line-height: 1;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); color: #fff; transform: translateY(-1px); box-shadow: 0 4px 16px rgba(0,162,121,0.3); }

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

.btn-danger {
  background: rgba(220, 53, 69, 0.15);
  color: #dc3545;
  border: 1px solid rgba(220, 53, 69, 0.3);
}
.btn-danger:hover { background: rgba(220, 53, 69, 0.25); }

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.btn-ghost:hover { color: var(--text); border-color: var(--text-muted); }

.btn-sm { padding: 0.4rem 0.85rem; font-size: 0.78rem; }
.btn-lg { padding: 0.85rem 1.75rem; font-size: 0.95rem; }
.btn-block { width: 100%; justify-content: center; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; }

/* ============================================================
   FORMS
   ============================================================ */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.9rem;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.88rem;
  font-weight: 400;
  color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.form-control::placeholder { color: var(--text-subtle); }

select.form-control { cursor: pointer; }

textarea.form-control { resize: vertical; min-height: 100px; }

.form-hint {
  font-size: 0.75rem;
  font-weight: 300;
  color: var(--text-muted);
  margin-top: 0.3rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1rem;
}

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

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

thead th {
  background: var(--bg-hover);
  padding: 0.75rem 1rem;
  text-align: left;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

tbody td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  vertical-align: middle;
}

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

tbody tr:hover { background: var(--bg-hover); }

.table-actions { display: flex; align-items: center; gap: 0.4rem; flex-wrap: wrap; }

/* ============================================================
   BADGES
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.65rem;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.badge-success  { background: rgba(0,162,121,0.15);  color: #00A279; }
.badge-warning  { background: rgba(255,193,7,0.15);  color: #FFC107; }
.badge-info     { background: rgba(13,202,240,0.15); color: #0DCAF0; }
.badge-danger   { background: rgba(220,53,69,0.15);  color: #DC3545; }
.badge-neutral  { background: var(--bg-hover); color: var(--text-muted); }

/* ============================================================
   FLASH MESSAGES
   ============================================================ */
.flash {
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 400;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.flash-success { background: rgba(0,162,121,0.15); border: 1px solid rgba(0,162,121,0.3); color: #00A279; }
.flash-error   { background: rgba(220,53,69,0.15); border: 1px solid rgba(220,53,69,0.3); color: #DC3545; }
.flash-info    { background: rgba(13,202,240,0.1); border: 1px solid rgba(13,202,240,0.3); color: #0DCAF0; }

/* ============================================================
   LOGIN PAGE
   ============================================================ */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  padding: 2rem;
}

.login-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 3rem 2.5rem;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow);
}

.login-logo {
  text-align: center;
  margin-bottom: 2.5rem;
}

.login-logo .logo-text {
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.login-logo .logo-sub {
  font-size: 0.72rem;
  font-weight: 300;
  color: var(--text-muted);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-top: 0.3rem;
}

/* ============================================================
   PRODUCT CATALOG
   ============================================================ */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.product-img {
  aspect-ratio: 4/3;
  background: var(--bg-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.product-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-img-placeholder {
  color: var(--text-subtle);
  font-size: 2.5rem;
  font-weight: 900;
}

.product-body {
  padding: 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.product-name {
  font-size: 0.95rem;
  font-weight: 900;
  color: var(--text);
}

.product-desc {
  font-size: 0.8rem;
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.5;
}

.product-price {
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--accent);
}

.product-controls {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: center;
}

.product-controls select,
.product-controls input[type="number"] {
  flex: 1;
  min-width: 80px;
}

.product-card .btn { margin-top: auto; }

/* ============================================================
   CART
   ============================================================ */
.cart-summary {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  position: sticky;
  top: 5rem;
}

.cart-total {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--accent);
  margin: 1rem 0;
}

.cart-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
}

.cart-item:last-child { border-bottom: none; }

.cart-item-info { flex: 1; }
.cart-item-name  { font-size: 0.88rem; font-weight: 700; }
.cart-item-meta  { font-size: 0.75rem; font-weight: 300; color: var(--text-muted); }
.cart-item-price { font-size: 0.88rem; font-weight: 900; color: var(--accent); white-space: nowrap; }

/* ============================================================
   PAYMENT OPTIONS
   ============================================================ */
.payment-options {
  display: grid;
  gap: 0.75rem;
}

.payment-option {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--bg);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  user-select: none;
}

.payment-option:hover { border-color: var(--border-accent); }

.payment-option.selected {
  border-color: var(--accent);
  background: var(--accent-dim);
}

.payment-option input[type="radio"] { accent-color: var(--accent); }

.payment-option-label {
  font-weight: 700;
  font-size: 0.9rem;
}

.payment-option-sub {
  font-size: 0.75rem;
  font-weight: 300;
  color: var(--text-muted);
}

/* ============================================================
   FILE LIST
   ============================================================ */
.file-list { display: flex; flex-direction: column; gap: 0.5rem; }

.file-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition);
}

.file-item:hover { border-color: var(--border-accent); }

.file-icon {
  width: 36px;
  height: 36px;
  background: var(--accent-dim);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0;
}

.file-info { flex: 1; min-width: 0; }
.file-name { font-size: 0.88rem; font-weight: 700; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.file-date { font-size: 0.75rem; font-weight: 300; color: var(--text-muted); }

/* ============================================================
   UPLOAD AREA
   ============================================================ */
.upload-area {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
}

.upload-area:hover,
.upload-area.dragover {
  border-color: var(--accent);
  background: var(--accent-dim);
}

.upload-area input[type="file"] { display: none; }

.upload-icon { font-size: 2rem; margin-bottom: 0.5rem; color: var(--text-muted); }

/* ============================================================
   PAGE HEADER
   ============================================================ */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.page-header-text h1 { margin-bottom: 0.3rem; }
.page-header-text p  { margin: 0; }

/* ============================================================
   EMPTY STATE
   ============================================================ */
.empty-state {
  text-align: center;
  padding: 3rem 2rem;
  color: var(--text-muted);
}

.empty-state-icon { font-size: 3rem; margin-bottom: 1rem; opacity: 0.4; }
.empty-state h3 { color: var(--text); margin-bottom: 0.5rem; }

/* ============================================================
   TOGGLE SWITCH (Dark/Light Mode)
   ============================================================ */
.theme-toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 400;
}

.theme-toggle input { display: none; }

.toggle-track {
  width: 40px;
  height: 22px;
  background: var(--border);
  border-radius: 11px;
  position: relative;
  transition: background var(--transition);
  flex-shrink: 0;
}

.toggle-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: transform var(--transition), background var(--transition);
}

.theme-toggle input:checked + .toggle-track { background: var(--accent); }
.theme-toggle input:checked + .toggle-track .toggle-thumb {
  transform: translateX(18px);
  background: #fff;
}

/* ============================================================
   MOBILE / HAMBURGER
   ============================================================ */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
  color: var(--text);
  flex-direction: column;
  gap: 5px;
}

.mobile-menu-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: all var(--transition);
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 90;
}

/* ============================================================
   PAGINATION
   ============================================================ */
.pagination {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

.page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 700;
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: all var(--transition);
  text-decoration: none;
}

.page-link:hover { border-color: var(--accent); color: var(--accent); }
.page-link.active { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ============================================================
   MODAL
   ============================================================ */
.modal-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-backdrop.open { display: flex; }

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  width: 100%;
  max-width: 540px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.4rem;
  cursor: pointer;
  color: var(--text-muted);
  line-height: 1;
  padding: 0.2rem;
  transition: color var(--transition);
}

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

/* ============================================================
   PROGRESS / CHECKOUT STEPS
   ============================================================ */
.checkout-steps {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 2rem;
  overflow-x: auto;
}

.checkout-step {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  white-space: nowrap;
  padding: 0.75rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  position: relative;
}

.checkout-step.active { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); }
.checkout-step.done   { border-color: var(--border-accent); color: var(--text-muted); }

.step-num {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 900;
  flex-shrink: 0;
}

.checkout-step.active .step-num { background: var(--accent); color: #fff; }

/* ============================================================
   SEARCH / FILTER BAR
   ============================================================ */
.filter-bar {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 1.5rem;
}

.filter-bar .form-control { width: auto; flex: 1; min-width: 160px; }

/* ============================================================
   SCROLLBAR
   ============================================================ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-subtle); }

/* ============================================================
   UTILITIES
   ============================================================ */
.d-flex        { display: flex; }
.align-center  { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1         { gap: 0.5rem; }
.gap-2         { gap: 1rem; }
.gap-3         { gap: 1.5rem; }
.mt-1          { margin-top: 0.5rem; }
.mt-2          { margin-top: 1rem; }
.mt-3          { margin-top: 1.5rem; }
.mb-1          { margin-bottom: 0.5rem; }
.mb-2          { margin-bottom: 1rem; }
.mb-3          { margin-bottom: 1.5rem; }
.w-100         { width: 100%; }
.text-right    { text-align: right; }
.text-center   { text-align: center; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  :root { --sidebar-w: 260px; }

  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-overlay.open { display: block; }

  .mobile-menu-btn { display: flex; }

  .main { margin-left: 0; }

  .content { padding: 1.25rem; }

  .topbar { padding: 0.75rem 1.25rem; }

  .form-row,
  .form-row-3 { grid-template-columns: 1fr; }

  .product-grid { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }

  .stats-grid { grid-template-columns: 1fr 1fr; }

  .page-header { flex-direction: column; }
}

@media (max-width: 480px) {
  .login-box { padding: 2rem 1.5rem; }
  .stats-grid { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: 1fr; }
}