/* ============================================================
   Nakladna Cloud — Main Stylesheet
   Design: Premium Mobile-first, Green accent, Rounded cards
   ============================================================ */

:root {
  --green: #22c55e;
  --green-dark: #16a34a;
  --green-light: #dcfce7;
  --red: #ef4444;
  --red-light: #fee2e2;
  --orange: #f97316;
  --orange-light: #ffedd5;
  --blue: #3b82f6;
  --blue-light: #dbeafe;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --white: #ffffff;
  --radius: 16px;
  --radius-sm: 8px;
  --shadow: 0 2px 8px rgba(0,0,0,.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,.12);
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --sidebar-width: 240px;
  --header-height: 60px;
  --bottom-nav-height: 70px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

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

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

body {
  font-family: var(--font);
  background: var(--gray-50);
  color: var(--gray-800);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ---- Sidebar (desktop) ---- */
.sidebar {
  display: none;
  position: fixed;
  left: 0; top: 0; bottom: 0;
  width: var(--sidebar-width);
  background: var(--white);
  border-right: 1px solid var(--gray-200);
  flex-direction: column;
  z-index: 100;
  overflow-y: auto;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 20px 16px;
  font-weight: 700;
  font-size: 20px;
  color: var(--green);
  border-bottom: 1px solid var(--gray-100);
}

.sidebar-nav {
  padding: 12px 0;
  flex: 1;
}

.sidebar-nav .nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  color: var(--gray-600);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  border-radius: 0;
  transition: background .15s, color .15s;
}

.sidebar-nav .nav-item:hover { background: var(--gray-50); color: var(--gray-900); }
.sidebar-nav .nav-item.active { background: var(--green-light); color: var(--green-dark); }

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--gray-100);
}

/* ---- Main content ---- */
.main-content {
  min-height: 100vh;
  padding-bottom: calc(var(--bottom-nav-height) + var(--safe-bottom));
}

/* ---- Top header ---- */
.top-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  height: var(--header-height);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
}

.menu-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--gray-700);
  border-radius: 2px;
}

.page-title {
  flex: 1;
  font-size: 17px;
  font-weight: 700;
  color: var(--gray-900);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.notif-btn {
  font-size: 20px;
  text-decoration: none;
}

.avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  object-fit: cover;
}

.avatar-placeholder {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--green);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 15px;
}

/* ---- Page body ---- */
.page-body {
  padding: 16px;
  max-width: 100%;
}

/* ---- Bottom nav (mobile) ---- */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--bottom-nav-height);
  padding-bottom: var(--safe-bottom);
  background: var(--white);
  border-top: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-around;
  z-index: 100;
}

.bn-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  text-decoration: none;
  color: var(--gray-400);
  font-size: 11px;
  font-weight: 500;
  flex: 1;
  padding: 6px 0;
  transition: color .15s;
}

.bn-item.active { color: var(--green); }

.bn-icon { font-size: 22px; }
.bn-label { font-size: 11px; }

.bn-create {
  flex: 0 0 60px;
}

.bn-plus {
  width: 52px;
  height: 52px;
  background: var(--green);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 300;
  box-shadow: 0 4px 12px rgba(34,197,94,.4);
  margin-top: -16px;
}

/* ---- Cards ---- */
.card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
  margin-bottom: 12px;
}

.card-title {
  font-size: 14px;
  color: var(--gray-500);
  font-weight: 500;
  margin-bottom: 4px;
}

.card-value {
  font-size: 22px;
  font-weight: 700;
  color: var(--gray-900);
}

.card-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* ---- Stats grid ---- */
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 16px;
}

.stat-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 14px;
  box-shadow: var(--shadow);
}

.stat-label {
  font-size: 12px;
  color: var(--gray-500);
  font-weight: 500;
  margin-bottom: 4px;
}

.stat-value {
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-900);
}

.stat-value.green { color: var(--green-dark); }
.stat-value.red   { color: var(--red); }
.stat-value.orange{ color: var(--orange); }

/* ---- Badges ---- */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.badge-paid    { background: var(--green-light);  color: var(--green-dark); }
.badge-partial { background: var(--orange-light); color: var(--orange); }
.badge-debt    { background: var(--red-light);    color: var(--red); }
.badge-active  { background: var(--green-light);  color: var(--green-dark); }
.badge-trial   { background: var(--blue-light);   color: var(--blue); }
.badge-expired { background: var(--red-light);    color: var(--red); }
.badge-inactive{ background: var(--gray-100);     color: var(--gray-500); }
.badge-secondary { background: var(--gray-100);   color: var(--gray-700); }

/* ---- Forms ---- */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-family: var(--font);
  color: var(--gray-800);
  background: var(--white);
  transition: border-color .15s;
  -webkit-appearance: none;
  appearance: none;
}

.form-control:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(34,197,94,.12);
}

.form-control.error { border-color: var(--red); }

.form-hint {
  font-size: 12px;
  color: var(--gray-400);
  margin-top: 4px;
}

.form-error {
  font-size: 12px;
  color: var(--red);
  margin-top: 4px;
}

select.form-control { 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='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 20px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  text-decoration: none;
  transition: transform .1s, box-shadow .1s, opacity .15s;
  white-space: nowrap;
}

.btn:active { transform: scale(.97); }

.btn-primary {
  background: var(--green);
  color: white;
  box-shadow: 0 2px 8px rgba(34,197,94,.3);
}
.btn-primary:hover { background: var(--green-dark); }

.btn-secondary {
  background: var(--gray-100);
  color: var(--gray-700);
}
.btn-secondary:hover { background: var(--gray-200); }

.btn-danger {
  background: var(--red);
  color: white;
}

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--green);
  color: var(--green);
}

.btn-full { width: 100%; }

.btn-sm { padding: 8px 14px; font-size: 13px; }

.btn:disabled { opacity: .6; cursor: not-allowed; }

/* ---- List items ---- */
.list-item {
  background: var(--white);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 10px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
  transition: box-shadow .15s;
}

.list-item:hover { box-shadow: var(--shadow-md); }

.list-item-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--green-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.list-item-body { flex: 1; min-width: 0; }

.list-item-title {
  font-weight: 600;
  font-size: 15px;
  color: var(--gray-900);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.list-item-sub {
  font-size: 13px;
  color: var(--gray-400);
  margin-top: 2px;
}

.list-item-right { text-align: right; flex-shrink: 0; }

/* ---- Search ---- */
.search-bar {
  position: relative;
  margin-bottom: 16px;
}

.search-bar input {
  width: 100%;
  padding: 12px 14px 12px 40px;
  border: 1.5px solid var(--gray-200);
  border-radius: 999px;
  font-size: 15px;
  background: var(--white);
  color: var(--gray-800);
}

.search-bar input:focus { outline: none; border-color: var(--green); }

.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
  font-size: 18px;
  pointer-events: none;
}

/* ---- Alerts ---- */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  font-size: 14px;
  font-weight: 500;
}

.alert-success { background: var(--green-light);  color: var(--green-dark); }
.alert-error   { background: var(--red-light);    color: var(--red); }
.alert-warning { background: var(--orange-light); color: var(--orange); }
.alert-info    { background: var(--blue-light);   color: var(--blue); }

/* ---- Empty state ---- */
.empty-state {
  text-align: center;
  padding: 48px 16px;
  color: var(--gray-400);
}

.empty-icon { font-size: 56px; margin-bottom: 12px; }
.empty-text { font-size: 16px; font-weight: 600; color: var(--gray-500); }
.empty-sub  { font-size: 14px; margin-top: 6px; }

/* ---- Skeleton ---- */
.skeleton {
  background: linear-gradient(90deg, var(--gray-100) 25%, var(--gray-200) 50%, var(--gray-100) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  border-radius: 8px;
}
@keyframes shimmer { 0%{background-position:200% 0} 100%{background-position:-200% 0} }

/* ---- Welcome card ---- */
.welcome-card {
  background: linear-gradient(135deg, var(--green) 0%, var(--green-dark) 100%);
  color: white;
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: 0 4px 16px rgba(34,197,94,.3);
}

.welcome-card h2 { font-size: 18px; font-weight: 700; }
.welcome-card p  { font-size: 14px; opacity: .85; margin-top: 4px; }

/* ---- Section heading ---- */
.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.section-heading h3 { font-size: 16px; font-weight: 700; color: var(--gray-800); }
.section-heading a  { font-size: 13px; color: var(--green); text-decoration: none; font-weight: 600; }

/* ---- Tables (desktop) ---- */
.table-wrap { overflow-x: auto; }

table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

table.data-table th {
  background: var(--gray-50);
  color: var(--gray-500);
  font-weight: 600;
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--gray-200);
  white-space: nowrap;
}

table.data-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--gray-100);
  color: var(--gray-800);
}

table.data-table tr:last-child td { border-bottom: none; }
table.data-table tr:hover td { background: var(--gray-50); }

/* ---- Pagination ---- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 20px;
}

.pagination a, .pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  font-size: 14px;
  text-decoration: none;
  color: var(--gray-600);
  background: var(--white);
  border: 1px solid var(--gray-200);
}

.pagination a:hover { background: var(--gray-50); }
.pagination .current { background: var(--green); color: white; border-color: var(--green); }

/* ---- Wizard steps ---- */
.wizard-steps {
  display: flex;
  margin-bottom: 20px;
  gap: 4px;
}

.wizard-step {
  flex: 1;
  height: 4px;
  border-radius: 2px;
  background: var(--gray-200);
  transition: background .3s;
}

.wizard-step.done   { background: var(--green); }
.wizard-step.active { background: var(--green-dark); }

/* ---- Spinner ---- */
.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--gray-200);
  border-top-color: var(--green);
  border-radius: 50%;
  animation: spin .6s linear infinite;
  margin: 0 auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- Auth page ---- */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, #f0fdf4 0%, #fff 60%);
}

.auth-box {
  width: 100%;
  max-width: 380px;
  padding: 40px 32px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.auth-logo { font-size: 56px; margin-bottom: 8px; }
.auth-title { font-size: 22px; font-weight: 700; color: var(--gray-900); margin-bottom: 8px; }
.auth-sub   { font-size: 14px; color: var(--gray-500); margin-bottom: 24px; }

/* ---- Utility ---- */
.text-green  { color: var(--green-dark); }
.text-red    { color: var(--red); }
.text-orange { color: var(--orange); }
.text-gray   { color: var(--gray-500); }

.fw-700 { font-weight: 700; }
.mt-8   { margin-top: 8px; }
.mt-16  { margin-top: 16px; }
.mb-16  { margin-bottom: 16px; }
.text-right { text-align: right; }
.text-center{ text-align: center; }

.divider {
  border: none;
  border-top: 1px solid var(--gray-100);
  margin: 16px 0;
}

/* ---- Desktop layout ---- */
@media (min-width: 768px) {
  .sidebar { display: flex; }
  .bottom-nav { display: none; }

  .main-content {
    margin-left: var(--sidebar-width);
    padding-bottom: 32px;
  }

  .menu-toggle { display: none; }

  .page-body {
    padding: 24px 32px;
    max-width: 1440px;
  }

  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .auth-page { padding: 20px; }
}

@media (min-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(4, 1fr); }
  .page-body { padding: 28px 40px; }
}

@media (min-width: 1440px) {
  .page-body { max-width: 1440px; }
}