/* ============================================================
   HOSTPANEL PRO - Global Styles
   Aesthetic: Premium Dark SaaS / Obsidian
   Fonts: Syne (display) + Outfit (body)
============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
  --bg-base:      #090c10;
  --bg-surface:   #0f1318;
  --bg-card:      #141920;
  --bg-elevated:  #1a2030;
  --bg-hover:     #1e2636;
  --border:       #232d3f;
  --border-light: #2a3650;
  --accent:       #00d4aa;
  --accent-dim:   rgba(0,212,170,0.12);
  --accent-glow:  rgba(0,212,170,0.25);
  --blue:         #3d8bff;
  --blue-dim:     rgba(61,139,255,0.12);
  --amber:        #f5a623;
  --amber-dim:    rgba(245,166,35,0.12);
  --danger:       #ff4d6d;
  --danger-dim:   rgba(255,77,109,0.12);
  --success:      #00d4aa;
  --success-dim:  rgba(0,212,170,0.12);
  --text-primary: #e8edf5;
  --text-secondary:#8a97b0;
  --text-muted:   #4a5568;
  --radius-sm:    6px;
  --radius:       10px;
  --radius-lg:    16px;
  --radius-xl:    24px;
  --shadow-sm:    0 1px 3px rgba(0,0,0,0.4);
  --shadow:       0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg:    0 8px 32px rgba(0,0,0,0.5);
  --transition:   0.2s cubic-bezier(0.4,0,0.2,1);
  --sidebar-w:    260px;
}

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

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

body {
  font-family: 'Outfit', sans-serif;
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ── SCROLLBAR ─────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-surface); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ── TYPOGRAPHY ─────────────────────────────────── */
h1,h2,h3,h4,h5 { font-family: 'Syne', sans-serif; font-weight: 700; line-height: 1.2; }
h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.2rem; }
h4 { font-size: 1rem; }
a  { color: var(--accent); text-decoration: none; transition: var(--transition); }
a:hover { color: #00f0c2; }

/* ── LAYOUT ─────────────────────────────────────── */
.app-wrapper { display: flex; min-height: 100vh; }

/* ── SIDEBAR ─────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  transition: transform var(--transition);
  overflow-y: auto;
}

.sidebar-logo {
  padding: 24px 20px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  width: 38px; height: 38px;
  background: linear-gradient(135deg, var(--accent), #00a882);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: #000;
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  flex-shrink: 0;
}

.logo-text { font-family: 'Syne', sans-serif; font-weight: 800; font-size: 1rem; }
.logo-text span { color: var(--accent); }

.sidebar-section { padding: 16px 12px 8px; }
.sidebar-section-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0 8px 8px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--transition);
  cursor: pointer;
  position: relative;
  margin-bottom: 2px;
}

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

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

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0; top: 20%; bottom: 20%;
  width: 3px;
  background: var(--accent);
  border-radius: 0 3px 3px 0;
}

.nav-item i { width: 18px; text-align: center; font-size: 0.9rem; }
.nav-badge {
  margin-left: auto;
  background: var(--danger);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 20px;
  min-width: 18px;
  text-align: center;
}

.sidebar-footer {
  margin-top: auto;
  padding: 16px 12px;
  border-top: 1px solid var(--border);
}

.user-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border-radius: var(--radius);
  background: var(--bg-elevated);
}

.user-avatar {
  width: 34px; height: 34px;
  background: linear-gradient(135deg, var(--blue), #6b5de8);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
  flex-shrink: 0;
}

.user-name { font-size: 0.8rem; font-weight: 600; }
.user-role { font-size: 0.7rem; color: var(--text-muted); }
.logout-btn {
  margin-left: auto;
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  background: none;
  padding: 4px;
}
.logout-btn:hover { color: var(--danger); }

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

/* ── TOP BAR ─────────────────────────────────────── */
.topbar {
  height: 64px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-left { display: flex; align-items: center; gap: 12px; }
.hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 4px;
}

.page-title { font-family: 'Syne', sans-serif; font-size: 1.1rem; font-weight: 700; }
.breadcrumb { font-size: 0.8rem; color: var(--text-muted); display: flex; align-items: center; gap: 6px; }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--accent); }

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

.icon-btn {
  width: 36px; height: 36px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}
.icon-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ── PAGE BODY ──────────────────────────────────── */
.page-body { padding: 28px; flex: 1; }

/* ── STATS CARDS ─────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent-color, var(--accent));
  opacity: 0.7;
}
.stat-card:hover { border-color: var(--border-light); transform: translateY(-2px); box-shadow: var(--shadow); }
.stat-card.blue  { --accent-color: var(--blue); }
.stat-card.amber { --accent-color: var(--amber); }
.stat-card.danger{ --accent-color: var(--danger); }

.stat-icon {
  width: 40px; height: 40px;
  background: var(--icon-bg, var(--accent-dim));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--icon-color, var(--accent));
  margin-bottom: 14px;
}
.stat-card.blue  .stat-icon { background: var(--blue-dim);   color: var(--blue); }
.stat-card.amber .stat-icon { background: var(--amber-dim);  color: var(--amber); }
.stat-card.danger .stat-icon{ background: var(--danger-dim); color: var(--danger); }

.stat-value { font-family: 'Syne', sans-serif; font-size: 1.8rem; font-weight: 800; }
.stat-label { font-size: 0.78rem; color: var(--text-muted); margin-top: 2px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.06em; }
.stat-sub   { font-size: 0.75rem; color: var(--text-secondary); margin-top: 8px; }
.stat-sub .up   { color: var(--accent); }
.stat-sub .down { color: var(--danger); }

/* ── CARDS ───────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.card-header {
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.card-title { font-family: 'Syne', sans-serif; font-size: 1rem; font-weight: 700; display: flex; align-items: center; gap: 8px; }
.card-title i { color: var(--accent); }
.card-body  { padding: 22px; }
.card-footer{ padding: 14px 22px; border-top: 1px solid var(--border); background: var(--bg-surface); }

/* ── TABLES ──────────────────────────────────────── */
.table-wrap { overflow-x: auto; }

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

thead tr { border-bottom: 1px solid var(--border); }
thead th {
  padding: 12px 16px;
  text-align: left;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  white-space: nowrap;
}

tbody tr {
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: var(--bg-hover); }

tbody td {
  padding: 13px 16px;
  vertical-align: middle;
}

.td-client { display: flex; align-items: center; gap: 10px; }
.client-avatar {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), #6b5de8);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}
.client-name  { font-weight: 600; font-size: 0.875rem; }
.client-company { font-size: 0.75rem; color: var(--text-muted); }

/* ── BADGES ─────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.badge-success { background: var(--success-dim); color: var(--success); }
.badge-warning { background: var(--amber-dim);   color: var(--amber); }
.badge-danger  { background: var(--danger-dim);  color: var(--danger); }
.badge-info    { background: var(--blue-dim);    color: var(--blue); }
.badge-secondary { background: rgba(138,151,176,0.12); color: var(--text-secondary); }

/* ── BUTTONS ─────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-family: 'Outfit', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  white-space: nowrap;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
}
.btn-primary:hover {
  background: #00f0c2;
  box-shadow: 0 0 20px var(--accent-glow);
  color: #000;
}

.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border-color: var(--border-light);
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); }

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

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

.btn-whatsapp { background: #1a7c47; color: #fff; border-color: #1a7c47; }
.btn-whatsapp:hover { background: #22a85e; color: #fff; box-shadow: 0 0 16px rgba(34,168,94,0.3); }

.btn-sm { padding: 5px 11px; font-size: 0.78rem; }
.btn-lg { padding: 12px 24px; font-size: 0.95rem; }
.btn-block { width: 100%; justify-content: center; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-icon { width: 34px; height: 34px; padding: 0; justify-content: center; border-radius: var(--radius-sm); }

/* ── FORMS ───────────────────────────────────────── */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.form-full { grid-column: 1 / -1; }

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.form-control, .form-select, .form-textarea {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: 'Outfit', sans-serif;
  font-size: 0.875rem;
  padding: 10px 14px;
  transition: var(--transition);
  width: 100%;
}

.form-control:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.form-control::placeholder { color: var(--text-muted); }
.form-control.is-invalid { border-color: var(--danger); }
.form-textarea { resize: vertical; min-height: 90px; }
.form-hint { font-size: 0.72rem; color: var(--text-muted); }

.input-group { position: relative; }
.input-icon {
  position: absolute;
  left: 12px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.875rem;
  pointer-events: none;
}
.input-group .form-control { padding-left: 36px; }

/* ── UPLOAD ZONE ─────────────────────────────────── */
.upload-zone {
  border: 2px dashed var(--border-light);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
  background: var(--bg-elevated);
}
.upload-zone:hover, .upload-zone.drag-over {
  border-color: var(--accent);
  background: var(--accent-dim);
}
.upload-icon { font-size: 2rem; color: var(--text-muted); margin-bottom: 10px; }
.upload-text { font-size: 0.875rem; color: var(--text-secondary); }
.upload-text strong { color: var(--accent); }

/* ── ALERTS ──────────────────────────────────────── */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 0.875rem;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 16px;
  border: 1px solid transparent;
}
.alert i { margin-top: 2px; flex-shrink: 0; }
.alert-success { background: var(--success-dim); color: var(--success); border-color: rgba(0,212,170,0.25); }
.alert-danger   { background: var(--danger-dim);  color: var(--danger);  border-color: rgba(255,77,109,0.25); }
.alert-warning  { background: var(--amber-dim);   color: var(--amber);   border-color: rgba(245,166,35,0.25); }
.alert-info     { background: var(--blue-dim);    color: var(--blue);    border-color: rgba(61,139,255,0.25); }

/* ── MODAL ───────────────────────────────────────── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(4px);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-overlay.open { display: flex; }

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 24px 64px rgba(0,0,0,0.7);
  animation: modalIn 0.25s cubic-bezier(0.34,1.56,0.64,1);
}
.modal-lg { max-width: 720px; }

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.92) translateY(20px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  padding: 22px 24px 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-title { font-family: 'Syne', sans-serif; font-size: 1.1rem; font-weight: 700; }
.modal-close {
  width: 30px; height: 30px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.875rem;
  transition: var(--transition);
}
.modal-close:hover { color: var(--danger); border-color: var(--danger); }
.modal-body   { padding: 24px; }
.modal-footer { padding: 16px 24px; border-top: 1px solid var(--border); display: flex; gap: 10px; justify-content: flex-end; }

/* ── EMPTY STATE ─────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}
.empty-icon { font-size: 3rem; margin-bottom: 16px; opacity: 0.4; }
.empty-title { font-family: 'Syne', sans-serif; font-size: 1.1rem; color: var(--text-secondary); margin-bottom: 8px; }
.empty-text  { font-size: 0.875rem; max-width: 360px; margin: 0 auto 20px; }

/* ── SEARCH BAR ──────────────────────────────────── */
.search-bar {
  position: relative;
  min-width: 220px;
}
.search-bar i {
  position: absolute;
  left: 11px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.8rem;
}
.search-bar input {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: 'Outfit', sans-serif;
  font-size: 0.85rem;
  padding: 8px 12px 8px 32px;
  width: 100%;
  transition: var(--transition);
}
.search-bar input:focus { outline: none; border-color: var(--accent); }
.search-bar input::placeholder { color: var(--text-muted); }

/* ── TABS ────────────────────────────────────────── */
.tabs { display: flex; gap: 4px; padding: 4px; background: var(--bg-elevated); border-radius: var(--radius); width: fit-content; }
.tab-btn {
  padding: 7px 16px;
  border-radius: 7px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  border: none;
  background: transparent;
  transition: var(--transition);
}
.tab-btn.active { background: var(--bg-card); color: var(--text-primary); box-shadow: var(--shadow-sm); }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ── INVOICE LIST ────────────────────────────────── */
.invoice-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.invoice-item:last-child { border-bottom: none; }
.invoice-icon {
  width: 38px; height: 38px;
  border-radius: var(--radius-sm);
  background: var(--blue-dim);
  color: var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}
.invoice-info { flex: 1; min-width: 0; }
.invoice-name { font-weight: 600; font-size: 0.875rem; }
.invoice-date { font-size: 0.75rem; color: var(--text-muted); }
.invoice-amount { font-family: 'Syne', sans-serif; font-weight: 700; font-size: 0.95rem; }
.invoice-actions { display: flex; gap: 6px; }

/* ── PROGRESS ────────────────────────────────────── */
.progress-bar { height: 4px; background: var(--border); border-radius: 2px; overflow: hidden; }
.progress-fill { height: 100%; background: var(--accent); border-radius: 2px; transition: width 0.6s ease; }
.progress-fill.amber { background: var(--amber); }
.progress-fill.danger { background: var(--danger); }

/* ── DUE DATE INDICATOR ──────────────────────────── */
.due-badge { font-size: 0.75rem; font-weight: 600; }
.due-badge.ok      { color: var(--accent); }
.due-badge.warning { color: var(--amber); }
.due-badge.expired { color: var(--danger); }

/* ── TOOLTIP ─────────────────────────────────────── */
[data-tooltip] { position: relative; }
[data-tooltip]:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-elevated);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  font-size: 0.72rem;
  padding: 4px 10px;
  border-radius: 5px;
  white-space: nowrap;
  z-index: 999;
  pointer-events: none;
}

/* ── LOGIN PAGE ─────────────────────────────────── */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-base);
  position: relative;
  overflow: hidden;
}
.login-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 60% at 20% 80%, rgba(0,212,170,0.06) 0%, transparent 70%),
    radial-gradient(ellipse 50% 50% at 80% 20%, rgba(61,139,255,0.06) 0%, transparent 70%);
}
.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 40px;
  width: 100%;
  max-width: 420px;
  position: relative;
  z-index: 1;
  box-shadow: var(--shadow-lg);
}
.login-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
  justify-content: center;
}
.login-logo .logo-icon { width: 48px; height: 48px; font-size: 22px; }
.login-logo .logo-text { font-size: 1.4rem; }
.login-title { font-size: 1.4rem; font-weight: 800; margin-bottom: 6px; }
.login-sub   { font-size: 0.875rem; color: var(--text-muted); margin-bottom: 28px; }
.password-toggle {
  position: absolute;
  right: 12px; top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.875rem;
  transition: var(--transition);
  padding: 2px;
}
.password-toggle:hover { color: var(--accent); }

/* ── INSTALL PAGE ────────────────────────────────── */
.install-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-base);
  position: relative;
  overflow: hidden;
  padding: 40px 20px;
}
.install-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 560px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.install-header {
  background: linear-gradient(135deg, rgba(0,212,170,0.15), rgba(61,139,255,0.1));
  border-bottom: 1px solid var(--border);
  padding: 32px 36px 28px;
}
.install-steps { display: flex; gap: 6px; margin-bottom: 20px; }
.install-step {
  flex: 1;
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  transition: var(--transition);
}
.install-step.done { background: var(--accent); }
.install-step.active { background: var(--accent); opacity: 0.6; }
.install-body { padding: 32px 36px; }

/* ── ANIMATIONS ──────────────────────────────────── */
@keyframes fadeIn { from { opacity:0; transform:translateY(10px); } to { opacity:1; transform:translateY(0); } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 0%,100% { opacity:1; } 50% { opacity:0.5; } }

.fade-in { animation: fadeIn 0.4s ease both; }
.fade-in-1 { animation-delay: 0.05s; }
.fade-in-2 { animation-delay: 0.1s; }
.fade-in-3 { animation-delay: 0.15s; }
.fade-in-4 { animation-delay: 0.2s; }

.loading-spin { animation: spin 0.8s linear infinite; }

/* ── UTILITIES ───────────────────────────────────── */
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-8  { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.mt-8   { margin-top: 8px; }
.mt-16  { margin-top: 16px; }
.mt-24  { margin-top: 24px; }
.mb-16  { margin-bottom: 16px; }
.mb-24  { margin-bottom: 24px; }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-accent { color: var(--accent); }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }
.text-right { text-align: right; }
.text-center { text-align: center; }
.text-sm { font-size: 0.8rem; }
.font-bold { font-weight: 700; }
.fw-600 { font-weight: 600; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.divider { border: none; border-top: 1px solid var(--border); margin: 16px 0; }

/* ── RESPONSIVE ──────────────────────────────────── */
@media (max-width: 1024px) {
  .form-grid-3 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --sidebar-w: 0px; }

  .sidebar {
    transform: translateX(-260px);
    width: 260px;
  }
  .sidebar.open {
    transform: translateX(0);
    box-shadow: 4px 0 40px rgba(0,0,0,0.6);
  }
  .sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 99;
  }
  .sidebar-overlay.open { display: block; }

  .main-content { margin-left: 0; }
  .hamburger { display: flex; }
  .page-body { padding: 16px; }
  .topbar { padding: 0 16px; }

  .form-grid, .form-grid-3 { grid-template-columns: 1fr; }
  .form-full { grid-column: 1; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .modal { border-radius: var(--radius-lg); }
  .login-card { padding: 28px 24px; }
  .install-header, .install-body { padding: 24px; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  h1 { font-size: 1.5rem; }
  .topbar { height: 56px; }
  .card-header { flex-direction: column; align-items: flex-start; }
}

/* ── DATEPICKER OVERRIDE ─────────────────────────── */
input[type="date"] { color-scheme: dark; }

/* ── PRINT ───────────────────────────────────────── */
@media print {
  .sidebar, .topbar, .btn, .modal-overlay { display: none !important; }
  .main-content { margin-left: 0 !important; }
  body { background: #fff; color: #000; }
}