/* ============================================================
   Design system — PodoCloud.it
   Replica fedele del tema Ant Design usato nel progetto React.
   ============================================================ */

:root {
  --color-primary:       #1B7A8A;
  --color-primary-hover: #156472;
  --color-primary-light: #e6f7f9;
  --color-success:       #52c41a;
  --color-warning:       #faad14;
  --color-error:         #ff4d4f;
  --color-info:          #1890ff;
  --color-bg:            #f0f2f5;
  --color-bg-card:       #ffffff;
  --color-border:        #d9d9d9;
  --color-border-light:  #f0f0f0;
  --color-text:          #333333;
  --color-text-secondary:#666666;
  --color-text-disabled: #bfbfbf;

  --font-size-base:  15px;
  --font-size-sm:    13px;
  --font-size-lg:    17px;
  --font-size-xl:    20px;
  --control-height:  38px;
  --border-radius:   6px;
  --shadow-card:     0 1px 4px rgba(0,0,0,.12);
  --sidebar-width:   220px;
  --header-height:   56px;
}

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

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: var(--font-size-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.5;
}

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

/* ── Layout ─────────────────────────────────────────────── */
#app { height: 100%; overflow: hidden; }

#layout {
  display: flex;
  height: 100%;
}

#sidebar {
  width: var(--sidebar-width);
  background: #001529;
  color: rgba(255,255,255,.85);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow-y: auto;
}

.logo {
  height: var(--header-height);
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 20px;
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: #fff;
  border-bottom: 1px solid rgba(255,255,255,.1);
  letter-spacing: .5px;
}

.logo-icon { width: 32px; height: 32px; }

#main-nav {
  flex: 1;
  padding: 8px 0;
}

#main-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 20px;
  color: rgba(255,255,255,.65);
  font-size: var(--font-size-base);
  transition: background .2s, color .2s;
  white-space: nowrap;
}

#main-nav a:hover { background: rgba(255,255,255,.08); color: #fff; }
#main-nav a.active { background: var(--color-primary); color: #fff; }
#main-nav .nav-icon { font-size: 16px; width: 18px; text-align: center; }

#user-info {
  padding: 12px 16px;
  border-top: 1px solid rgba(255,255,255,.1);
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,.5);
}

#user-info .user-name { color: rgba(255,255,255,.85); font-weight: 500; }
#user-info .logout-btn {
  display: inline-block;
  margin-top: 6px;
  cursor: pointer;
  color: rgba(255,255,255,.4);
  font-size: var(--font-size-sm);
}
#user-info .logout-btn:hover { color: var(--color-error); }

#main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#page-header {
  background: #fff;
  padding: 14px 24px;
  border-bottom: 1px solid var(--color-border-light);
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-shrink: 0;
}

#page-header h1 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-text);
}

#page-content {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
}

/* ── Auth container ─────────────────────────────────────── */
#auth-container {
  min-height: 100vh;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── Card ───────────────────────────────────────────────── */
.card {
  background: var(--color-bg-card);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border-light);
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border-light);
  font-size: var(--font-size-lg);
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.card-body { padding: 20px; }

/* ── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: var(--control-height);
  padding: 0 18px;
  font-size: var(--font-size-base);
  font-weight: 500;
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border);
  background: #fff;
  color: var(--color-text);
  cursor: pointer;
  transition: all .2s;
  white-space: nowrap;
  text-decoration: none;
  line-height: 1;
}

.btn:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn:disabled { opacity: .5; cursor: not-allowed; }

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

.btn-danger {
  background: var(--color-error);
  border-color: var(--color-error);
  color: #fff;
}
.btn-danger:hover { opacity: .85; color: #fff; }

.btn-sm { height: 30px; padding: 0 12px; font-size: var(--font-size-sm); }
.btn-lg { height: 44px; padding: 0 24px; font-size: var(--font-size-lg); }

.btn-link {
  border: none;
  background: transparent;
  color: var(--color-primary);
  padding: 0;
  height: auto;
}
.btn-link:hover { color: var(--color-primary-hover); border: none; }

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

.form-label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  font-size: var(--font-size-base);
}

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

.form-control {
  width: 100%;
  height: var(--control-height);
  padding: 0 12px;
  font-size: var(--font-size-base);
  color: var(--color-text);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  transition: border-color .2s, box-shadow .2s;
  outline: none;
}

.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(27,122,138,.2);
}

.form-control:disabled { background: #f5f5f5; cursor: not-allowed; }

textarea.form-control {
  height: auto;
  padding: 8px 12px;
  resize: vertical;
  min-height: 80px;
}

select.form-control { cursor: pointer; }

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

.form-control.is-invalid {
  border-color: var(--color-error);
  box-shadow: 0 0 0 2px rgba(255,77,79,.15);
}

.invalid-feedback {
  display: none;
  color: var(--color-error);
  font-size: var(--font-size-sm);
  margin-top: 4px;
}

.form-control.is-invalid ~ .invalid-feedback,
.is-invalid + .invalid-feedback {
  display: block;
}

.form-hint {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-top: 4px;
}

/* Form row */
.form-row {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* ── Table ──────────────────────────────────────────────── */
.table-container { overflow-x: auto; }

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-base);
}

.table th {
  background: #fafafa;
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: .4px;
}

.table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border-light);
  vertical-align: middle;
}

.table tbody tr:hover { background: #fafafa; }
.table tbody tr:last-child td { border-bottom: none; }

.table .actions { white-space: nowrap; display: flex; gap: 8px; }

/* ── Pagination ─────────────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  padding: 16px 0 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.pagination .page-info { margin: 0 8px; }

/* ── Tags / Badge ───────────────────────────────────────── */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: 10px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  line-height: 1.5;
  border: 1px solid currentColor;
}

.tag-success  { color: var(--color-success);  background: #f6ffed; border-color: #b7eb8f; }
.tag-warning  { color: #d48806;               background: #fffbe6; border-color: #ffe58f; }
.tag-error    { color: var(--color-error);    background: #fff2f0; border-color: #ffccc7; }
.tag-info     { color: var(--color-info);     background: #e6f7ff; border-color: #91d5ff; }
.tag-default  { color: var(--color-text-secondary); background: #fafafa; border-color: var(--color-border); }
.tag-primary  { color: var(--color-primary);  background: var(--color-primary-light); border-color: #87e0ec; }

/* ── Badge ──────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: 10px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  line-height: 1.5;
  white-space: nowrap;
}

.badge-success   { color: #276749;  background: #d1fae5; }
.badge-danger    { color: #9b1c1c;  background: #fee2e2; }
.badge-warning   { color: #92400e;  background: #fef3c7; }
.badge-info      { color: #1e4e8c;  background: #dbeafe; }
.badge-secondary { color: #374151;  background: #f3f4f6; }

/* ── Loading spinner ────────────────────────────────────── */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(27,122,138,.2);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}

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

.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255,255,255,.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

/* ── Misc ───────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--color-text-secondary);
}

.empty-state .empty-icon { font-size: 48px; margin-bottom: 12px; }
.empty-state h3 { font-size: var(--font-size-lg); margin-bottom: 8px; }

.text-right  { text-align: right; }
.text-center { text-align: center; }
.text-secondary { color: var(--color-text-secondary); }
.text-error     { color: var(--color-error); }
.text-success   { color: var(--color-success); }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-4  { gap: 4px; }
.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; }

.divider {
  border: none;
  border-top: 1px solid var(--color-border-light);
  margin: 20px 0;
}