/* ============================================================
   DISPARO EM MASSA — Dark Mode Design System
   ============================================================ */

/* --- Design Tokens --- */
:root {
  --bg-primary:    #0f0f0f;
  --bg-card:       #1a1a1a;
  --bg-input:      #252525;
  --bg-hover:      #2a2a2a;
  --border:        #333333;
  --border-subtle: #222222;
  --text-primary:  #f0f0f0;
  --text-secondary:#888888;
  --text-muted:    #555555;
  --accent:        #22c55e;
  --accent-hover:  #16a34a;
  --accent-dim:    rgba(34, 197, 94, 0.12);
  --danger:        #ef4444;
  --danger-hover:  #dc2626;
  --danger-dim:    rgba(239, 68, 68, 0.12);
  --warning:       #f59e0b;
  --warning-dim:   rgba(245, 158, 11, 0.12);
  --info:          #3b82f6;
  --info-dim:      rgba(59, 130, 246, 0.12);
  --sidebar-width: 240px;
  --topbar-height: 0px;
  --radius:        8px;
  --radius-sm:     5px;
  --radius-lg:     12px;
  --shadow:        0 2px 8px rgba(0,0,0,0.4);
  --shadow-lg:     0 8px 32px rgba(0,0,0,0.6);
  --transition:    150ms ease;
}

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

html {
  font-size: 14px;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  text-decoration: underline;
}

ul, ol {
  list-style: none;
}

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

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-primary);
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.375rem; }
h3 { font-size: 1.125rem; }
h4 { font-size: 1rem; }

p {
  color: var(--text-secondary);
  line-height: 1.6;
}

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1rem 0;
}

/* ============================================================
   LAYOUT
   ============================================================ */

.app {
  display: flex;
  min-height: 100vh;
}

/* --- Sidebar --- */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 200;
  transition: transform var(--transition);
  overflow: hidden;
}

.sidebar-logo {
  padding: 1.25rem 1.25rem 1rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.625rem;
  flex-shrink: 0;
}

.sidebar-logo-icon {
  font-size: 1.5rem;
  line-height: 1;
}

.sidebar-logo-text {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  white-space: nowrap;
}

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

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 0.5rem 0;
  scrollbar-width: none;
}

.sidebar-nav::-webkit-scrollbar { display: none; }

.sidebar-section-label {
  padding: 0.625rem 1.25rem 0.25rem;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 1.25rem;
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 0;
  transition: background var(--transition), color var(--transition);
  text-decoration: none;
  cursor: pointer;
  position: relative;
  white-space: nowrap;
}

.sidebar-nav a .nav-icon {
  font-size: 1rem;
  width: 1.25rem;
  text-align: center;
  flex-shrink: 0;
  opacity: 0.8;
}

.sidebar-nav a .nav-label {
  flex: 1;
}

.sidebar-nav a .nav-badge {
  background: var(--accent);
  color: #000;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.1rem 0.4rem;
  border-radius: 999px;
  min-width: 1.2rem;
  text-align: center;
}

.sidebar-nav a:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  text-decoration: none;
}

.sidebar-nav a.active {
  background: var(--accent-dim);
  color: var(--accent);
}

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

.sidebar-nav a.active .nav-icon {
  opacity: 1;
}

.sidebar-footer {
  border-top: 1px solid var(--border);
  padding: 0.875rem 1.25rem;
  flex-shrink: 0;
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  margin-bottom: 0.625rem;
}

.sidebar-user-avatar {
  width: 2rem;
  height: 2rem;
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  flex-shrink: 0;
}

.sidebar-user-info {
  flex: 1;
  min-width: 0;
}

.sidebar-user-name {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-user-role {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.btn-logout {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.8rem;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.btn-logout:hover {
  background: var(--danger-dim);
  border-color: var(--danger);
  color: var(--danger);
}

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

.page-header {
  padding: 1.5rem 2rem 0;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.page-header-left h1 {
  font-size: 1.375rem;
  margin-bottom: 0.25rem;
}

.page-header-left p {
  font-size: 0.825rem;
  color: var(--text-secondary);
}

.page-header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.page-content {
  padding: 1.5rem 2rem 2rem;
  flex: 1;
}

/* --- Hamburger / Mobile Toggle --- */
.sidebar-toggle {
  display: none;
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 300;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.625rem;
  cursor: pointer;
  color: var(--text-primary);
  font-size: 1.125rem;
  line-height: 1;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 190;
}

/* ============================================================
   CARDS
   ============================================================ */

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
  padding-bottom: 0.875rem;
  border-bottom: 1px solid var(--border-subtle);
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card-title .card-title-icon {
  color: var(--accent);
  font-size: 1rem;
}

.card-subtitle {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 0.125rem;
}

.card-body {
  /* generic body area */
}

.card-footer {
  margin-top: 1rem;
  padding-top: 0.875rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.5rem;
}

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  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;
  text-decoration: none;
  user-select: none;
  line-height: 1.4;
}

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn:disabled,
.btn[disabled] {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-sm {
  padding: 0.3rem 0.75rem;
  font-size: 0.8rem;
}

.btn-lg {
  padding: 0.675rem 1.375rem;
  font-size: 0.9375rem;
}

.btn-icon {
  padding: 0.5rem;
  min-width: 2.25rem;
}

/* Primary (green) */
.btn-primary {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
  font-weight: 600;
}

.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

/* Danger (red) */
.btn-danger {
  background: var(--danger);
  color: #fff;
  border-color: var(--danger);
}

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

/* Secondary (gray outline) */
.btn-secondary {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border);
}

.btn-secondary:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: #444;
}

/* Ghost */
.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: transparent;
}

.btn-ghost:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

/* Warning */
.btn-warning {
  background: var(--warning);
  color: #000;
  border-color: var(--warning);
  font-weight: 600;
}

.btn-warning:hover {
  background: #d97706;
  border-color: #d97706;
}

/* ============================================================
   FORMS
   ============================================================ */

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  margin-bottom: 1rem;
}

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

label,
.form-label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-label-required::after {
  content: " *";
  color: var(--danger);
}

.input,
.select,
.textarea {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.875rem;
  font-family: inherit;
  padding: 0.5rem 0.75rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.input::placeholder,
.textarea::placeholder {
  color: var(--text-muted);
}

.input:focus,
.select:focus,
.textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.input:disabled,
.select:disabled,
.textarea:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.input-error {
  border-color: var(--danger) !important;
}

.input-error:focus {
  box-shadow: 0 0 0 3px var(--danger-dim) !important;
}

.form-error {
  font-size: 0.775rem;
  color: var(--danger);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.form-hint {
  font-size: 0.775rem;
  color: var(--text-muted);
}

.select {
  appearance: none;
  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='%23888' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2rem;
  cursor: pointer;
}

.select option {
  background: var(--bg-card);
  color: var(--text-primary);
}

.textarea {
  resize: vertical;
  min-height: 90px;
  line-height: 1.5;
}

.input-group {
  display: flex;
  gap: 0;
}

.input-group .input {
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  flex: 1;
}

.input-group .btn {
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  border-left: none;
}

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

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

.checkbox-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  accent-color: var(--accent);
  cursor: pointer;
}

/* ============================================================
   TABLE
   ============================================================ */

.table-container {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.table thead tr {
  background: #141414;
  border-bottom: 1px solid var(--border);
}

.table thead th {
  padding: 0.75rem 1rem;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  white-space: nowrap;
}

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

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

.table tbody tr:nth-child(even) {
  background: rgba(255,255,255,0.015);
}

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

.table tbody td {
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  vertical-align: middle;
}

.table-actions {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  justify-content: flex-end;
}

.th-actions {
  text-align: right;
}

/* ============================================================
   BADGES
   ============================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.2rem 0.55rem;
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: 999px;
  line-height: 1.4;
  white-space: nowrap;
}

.badge-dot {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}

.badge-success {
  background: var(--accent-dim);
  color: var(--accent);
}

.badge-warning {
  background: var(--warning-dim);
  color: var(--warning);
}

.badge-danger {
  background: var(--danger-dim);
  color: var(--danger);
}

.badge-info {
  background: var(--info-dim);
  color: var(--info);
}

.badge-secondary {
  background: rgba(136,136,136,0.15);
  color: var(--text-secondary);
}

/* ============================================================
   MODAL
   ============================================================ */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 500;
  padding: 1rem;
  animation: fadeIn 150ms ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  animation: slideUp 180ms ease;
}

.modal-lg { max-width: 720px; }
.modal-xl { max-width: 960px; }
.modal-sm { max-width: 380px; }

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

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

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0.25rem;
  line-height: 1;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

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

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.625rem;
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
}

/* ============================================================
   TABS
   ============================================================ */

.tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.tabs::-webkit-scrollbar { display: none; }

.tab {
  padding: 0.625rem 1.125rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  border: none;
  background: transparent;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  white-space: nowrap;
  transition: color var(--transition), border-color var(--transition);
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.tab:hover {
  color: var(--text-primary);
}

.tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* ============================================================
   PROGRESS BAR
   ============================================================ */

.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--bg-input);
  border-radius: 999px;
  overflow: hidden;
  position: relative;
}

.progress-bar-sm { height: 5px; }
.progress-bar-lg { height: 12px; }

.progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 999px;
  transition: width 400ms ease;
  position: relative;
}

.progress-fill::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.15) 50%, transparent 100%);
  animation: shimmer 1.5s infinite;
  background-size: 200% 100%;
}

@keyframes shimmer {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(200%); }
}

.progress-fill-danger { background: var(--danger); }
.progress-fill-warning { background: var(--warning); }
.progress-fill-info { background: var(--info); }

.progress-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.775rem;
  color: var(--text-secondary);
  margin-bottom: 0.375rem;
}

/* ============================================================
   STATS GRID
   ============================================================ */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition);
}

.stat-card:hover {
  border-color: #444;
}

.stat-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  opacity: 0;
  transition: opacity var(--transition);
}

.stat-card:hover::before {
  opacity: 1;
}

.stat-card-success::before { background: var(--accent); opacity: 1; }
.stat-card-warning::before { background: var(--warning); opacity: 1; }
.stat-card-danger::before  { background: var(--danger); opacity: 1; }
.stat-card-info::before    { background: var(--info); opacity: 1; }

.stat-icon {
  font-size: 1.375rem;
  line-height: 1;
  margin-bottom: 0.25rem;
}

.stat-value {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.775rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.stat-change {
  font-size: 0.75rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.2rem;
  margin-top: 0.125rem;
}

.stat-change-up   { color: var(--accent); }
.stat-change-down { color: var(--danger); }

/* ============================================================
   TOAST NOTIFICATIONS
   ============================================================ */

.toast-container {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  z-index: 9999;
  display: flex;
  flex-direction: column-reverse;
  gap: 0.5rem;
  pointer-events: none;
  max-width: 360px;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  pointer-events: all;
  animation: toastIn 250ms ease forwards;
  font-size: 0.875rem;
  color: var(--text-primary);
  min-width: 260px;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateX(30px); }
  to   { opacity: 1; transform: translateX(0); }
}

.toast.toast-out {
  animation: toastOut 250ms ease forwards;
}

@keyframes toastOut {
  from { opacity: 1; transform: translateX(0); }
  to   { opacity: 0; transform: translateX(30px); }
}

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

.toast-body {
  flex: 1;
}

.toast-title {
  font-weight: 600;
  margin-bottom: 0.125rem;
}

.toast-message {
  color: var(--text-secondary);
  font-size: 0.8rem;
}

.toast-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  padding: 0;
  flex-shrink: 0;
  transition: color var(--transition);
}

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

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

/* ============================================================
   LOGIN PAGE
   ============================================================ */

.login-page {
  min-height: 100vh;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
}

.login-page::before {
  content: "";
  position: absolute;
  top: -30%;
  left: -20%;
  width: 60%;
  height: 70%;
  background: radial-gradient(circle, rgba(34,197,94,0.07) 0%, transparent 70%);
  pointer-events: none;
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 1;
}

.login-logo {
  text-align: center;
  margin-bottom: 1.75rem;
}

.login-logo-icon {
  font-size: 2.5rem;
  margin-bottom: 0.625rem;
  display: block;
}

.login-logo h1 {
  font-size: 1.375rem;
  margin-bottom: 0.25rem;
}

.login-logo h1 span {
  color: var(--accent);
}

.login-logo p {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.login-tabs {
  display: flex;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 3px;
  gap: 3px;
  margin-bottom: 1.5rem;
  background: var(--bg-input);
}

.login-tab {
  flex: 1;
  padding: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 500;
  text-align: center;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: calc(var(--radius-sm) - 2px);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.login-tab.active {
  background: var(--bg-card);
  color: var(--text-primary);
  box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.login-form .btn-primary {
  width: 100%;
  padding: 0.625rem;
  font-size: 0.9375rem;
  margin-top: 0.5rem;
}

.login-divider {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin: 1rem 0;
  position: relative;
}

.login-divider::before,
.login-divider::after {
  content: "";
  position: absolute;
  top: 50%;
  width: calc(50% - 1.5rem);
  height: 1px;
  background: var(--border);
}

.login-divider::before { left: 0; }
.login-divider::after  { right: 0; }

/* ============================================================
   UPLOAD ZONE
   ============================================================ */

.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 2.5rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  position: relative;
}

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

.upload-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}

.upload-zone-icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
  display: block;
  opacity: 0.7;
}

.upload-zone-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.upload-zone-subtitle {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.upload-zone-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.75rem;
}

/* ============================================================
   WIZARD STEPS
   ============================================================ */

.wizard-steps {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 2rem;
  overflow-x: auto;
  scrollbar-width: none;
}

.wizard-steps::-webkit-scrollbar { display: none; }

.wizard-step {
  display: flex;
  align-items: center;
  flex: 1;
  min-width: 0;
}

.wizard-step-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.375rem;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.wizard-step-circle {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  border: 2px solid var(--border);
  background: var(--bg-card);
  color: var(--text-muted);
  transition: all var(--transition);
}

.wizard-step-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  white-space: nowrap;
  font-weight: 500;
  transition: color var(--transition);
}

.wizard-step-line {
  flex: 1;
  height: 2px;
  background: var(--border);
  margin: 0 0.25rem;
  margin-bottom: 1.3rem;
  transition: background var(--transition);
}

/* Step states */
.wizard-step.completed .wizard-step-circle {
  background: var(--accent);
  border-color: var(--accent);
  color: #000;
}

.wizard-step.completed .wizard-step-label {
  color: var(--accent);
}

.wizard-step.completed .wizard-step-line {
  background: var(--accent);
}

.wizard-step.active .wizard-step-circle {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
  box-shadow: 0 0 0 4px var(--accent-dim);
}

.wizard-step.active .wizard-step-label {
  color: var(--accent);
}

/* ============================================================
   EMPTY STATE
   ============================================================ */

.empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--text-secondary);
}

.empty-state-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.4;
  display: block;
}

.empty-state h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.375rem;
}

.empty-state p {
  font-size: 0.8125rem;
  color: var(--text-muted);
  max-width: 300px;
  margin: 0 auto 1.25rem;
}

/* ============================================================
   SPINNER / LOADING
   ============================================================ */

.spinner {
  display: inline-block;
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 700ms linear infinite;
}

.spinner-sm {
  width: 0.875rem;
  height: 0.875rem;
  border-width: 1.5px;
}

.spinner-lg {
  width: 2rem;
  height: 2rem;
  border-width: 3px;
}

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

.loading-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15,15,15,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: inherit;
  z-index: 10;
}

.page-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  gap: 1rem;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* ============================================================
   MISC UTILITIES
   ============================================================ */

/* Flex helpers */
.flex        { display: flex; }
.flex-col    { flex-direction: column; }
.items-center  { align-items: center; }
.items-start   { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-end   { justify-content: flex-end; }
.gap-sm  { gap: 0.5rem; }
.gap-md  { gap: 1rem; }
.gap-lg  { gap: 1.5rem; }
.flex-1  { flex: 1; }
.flex-wrap { flex-wrap: wrap; }
.ml-auto { margin-left: auto; }
.mr-auto { margin-right: auto; }

/* Grid */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }

/* Spacing */
.mb-sm { margin-bottom: 0.5rem; }
.mb-md { margin-bottom: 1rem; }
.mb-lg { margin-bottom: 1.5rem; }
.mt-sm { margin-top: 0.5rem; }
.mt-md { margin-top: 1rem; }
.mt-auto { margin-top: auto; }

/* Text */
.text-sm      { font-size: 0.8125rem; }
.text-xs      { font-size: 0.75rem; }
.text-muted   { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-accent  { color: var(--accent); }
.text-danger  { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-right   { text-align: right; }
.text-center  { text-align: center; }
.font-bold    { font-weight: 700; }
.font-semibold { font-weight: 600; }
.truncate {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

/* Visibility */
.hidden { display: none !important; }
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* Scroll */
.scroll-y {
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.scroll-y::-webkit-scrollbar { width: 5px; }
.scroll-y::-webkit-scrollbar-track { background: transparent; }
.scroll-y::-webkit-scrollbar-thumb { background: var(--border); border-radius: 999px; }

/* Divider */
.divider {
  height: 1px;
  background: var(--border);
  margin: 1rem 0;
}

/* Alert box */
.alert {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  padding: 0.875rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  border: 1px solid transparent;
}

.alert-icon { font-size: 1rem; flex-shrink: 0; line-height: 1.4; }
.alert-body { flex: 1; }
.alert-title { font-weight: 600; margin-bottom: 0.125rem; }

.alert-success { background: var(--accent-dim); border-color: rgba(34,197,94,0.3); color: var(--accent); }
.alert-danger  { background: var(--danger-dim); border-color: rgba(239,68,68,0.3); color: var(--danger); }
.alert-warning { background: var(--warning-dim); border-color: rgba(245,158,11,0.3); color: var(--warning); }
.alert-info    { background: var(--info-dim); border-color: rgba(59,130,246,0.3); color: var(--info); }

/* Code / Mono */
code, .mono {
  font-family: "JetBrains Mono", "Fira Code", "Cascadia Code", Consolas, monospace;
  font-size: 0.85em;
  background: var(--bg-input);
  padding: 0.15em 0.4em;
  border-radius: 3px;
  color: var(--accent);
}

/* Tooltip */
[data-tooltip] {
  position: relative;
  cursor: help;
}

[data-tooltip]:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: #111;
  color: var(--text-primary);
  font-size: 0.75rem;
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  pointer-events: none;
  border: 1px solid var(--border);
  z-index: 1000;
}

/* ============================================================
   RESPONSIVE — MOBILE
   ============================================================ */

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

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

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

  .sidebar-toggle {
    display: flex;
    align-items: center;
  }

  .main {
    margin-left: 0;
  }

  .page-header {
    padding: 3.5rem 1rem 0;
  }

  .page-content {
    padding: 1rem 1rem 2rem;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .form-row,
  .form-row-3,
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .modal {
    max-width: 100%;
    max-height: 85vh;
    margin-top: auto;
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
  }

  .modal-overlay {
    align-items: flex-end;
    padding: 0;
  }

  .toast-container {
    left: 1rem;
    right: 1rem;
    max-width: none;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .login-card {
    padding: 1.75rem 1.25rem;
  }

  .page-header-actions {
    width: 100%;
  }

  .page-header-actions .btn {
    flex: 1;
    justify-content: center;
  }
}

/* ============================================================
   SCROLLBAR GLOBAL
   ============================================================ */

* {
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 999px; }
::-webkit-scrollbar-thumb:hover { background: #444; }