/* ============================================================
   DESIGN TOKENS
   All visual properties live as CSS custom properties.
   To add a new theme, define a [data-theme="my-theme"] block
   with the same variable set below.
   ============================================================ */

:root {
  /* --- Shared tokens (identical across all themes) --- */
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI",
    Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", "Fira Code", "Cascadia Code", "Consolas", monospace;

  --size-xs:  4px;
  --size-sm:  8px;
  --size-md: 16px;
  --size-lg: 24px;
  --size-xl: 40px;
  --size-2xl: 64px;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-pill: 999px;

  --font-xs:   12px;
  --font-sm:   13px;
  --font-base: 15px;
  --font-lg:   17px;
  --font-xl:   22px;
  --font-2xl:  28px;
  --font-3xl:  34px;

  --transition-fast: 100ms ease;
  --transition-base: 200ms ease;

  --nav-height: 52px;
  --content-width: 1000px;

  /* --- Light theme (default) --- */
  --bg:          #f5f5f7;
  --bg-surface:  #ffffff;
  --bg-surface2: #f9f9fb;
  --bg-hover:    rgba(0, 0, 0, 0.04);
  --bg-overlay:  rgba(255, 255, 255, 0.8);

  --border:       rgba(0, 0, 0, 0.12);
  --border-focus: #0071e3;

  --text:          #1d1d1f;
  --text-secondary: #6e6e73;
  --text-tertiary:  #aeaeb2;
  --text-on-accent: #ffffff;

  --accent:       #0071e3;
  --accent-hover: #0077ed;
  --accent-light: rgba(0, 113, 227, 0.10);

  --danger:       #ff3b30;
  --danger-hover: #ff2d20;
  --danger-light: rgba(255, 59, 48, 0.10);

  --success:      #34c759;

  --shadow-sm: 0 1px 2px rgba(0,0,0,.06), 0 1px 4px rgba(0,0,0,.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,.08), 0 2px 4px rgba(0,0,0,.04);
  --shadow-lg: 0 8px 24px rgba(0,0,0,.12), 0 4px 8px rgba(0,0,0,.06);
}

/* System dark mode — only applies when no explicit data-theme is set */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --bg:          #000000;
    --bg-surface:  #1c1c1e;
    --bg-surface2: #2c2c2e;
    --bg-hover:    rgba(255, 255, 255, 0.06);
    --bg-overlay:  rgba(28, 28, 30, 0.85);

    --border:       rgba(255, 255, 255, 0.12);
    --border-focus: #0a84ff;

    --text:           #f5f5f7;
    --text-secondary: #aeaeb2;
    --text-tertiary:  #636366;
    --text-on-accent: #ffffff;

    --accent:       #0a84ff;
    --accent-hover: #409cff;
    --accent-light: rgba(10, 132, 255, 0.15);

    --danger:       #ff453a;
    --danger-hover: #ff6961;
    --danger-light: rgba(255, 69, 58, 0.15);

    --success:      #32d74b;

    --shadow-sm: 0 1px 2px rgba(0,0,0,.3), 0 1px 4px rgba(0,0,0,.2);
    --shadow-md: 0 4px 12px rgba(0,0,0,.4), 0 2px 4px rgba(0,0,0,.2);
    --shadow-lg: 0 8px 24px rgba(0,0,0,.5), 0 4px 8px rgba(0,0,0,.3);
  }
}

/* Explicit light theme */
[data-theme="light"] {
  --bg:          #f5f5f7;
  --bg-surface:  #ffffff;
  --bg-surface2: #f9f9fb;
  --bg-hover:    rgba(0, 0, 0, 0.04);
  --bg-overlay:  rgba(255, 255, 255, 0.8);

  --border:       rgba(0, 0, 0, 0.12);
  --border-focus: #0071e3;

  --text:           #1d1d1f;
  --text-secondary: #6e6e73;
  --text-tertiary:  #aeaeb2;
  --text-on-accent: #ffffff;

  --accent:       #0071e3;
  --accent-hover: #0077ed;
  --accent-light: rgba(0, 113, 227, 0.10);

  --danger:       #ff3b30;
  --danger-hover: #ff2d20;
  --danger-light: rgba(255, 59, 48, 0.10);

  --success:      #34c759;

  --shadow-sm: 0 1px 2px rgba(0,0,0,.06), 0 1px 4px rgba(0,0,0,.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,.08), 0 2px 4px rgba(0,0,0,.04);
  --shadow-lg: 0 8px 24px rgba(0,0,0,.12), 0 4px 8px rgba(0,0,0,.06);
}

/* Explicit dark theme */
[data-theme="dark"] {
  --bg:          #000000;
  --bg-surface:  #1c1c1e;
  --bg-surface2: #2c2c2e;
  --bg-hover:    rgba(255, 255, 255, 0.06);
  --bg-overlay:  rgba(28, 28, 30, 0.85);

  --border:       rgba(255, 255, 255, 0.12);
  --border-focus: #0a84ff;

  --text:           #f5f5f7;
  --text-secondary: #aeaeb2;
  --text-tertiary:  #636366;
  --text-on-accent: #ffffff;

  --accent:       #0a84ff;
  --accent-hover: #409cff;
  --accent-light: rgba(10, 132, 255, 0.15);

  --danger:       #ff453a;
  --danger-hover: #ff6961;
  --danger-light: rgba(255, 69, 58, 0.15);

  --success:      #32d74b;

  --shadow-sm: 0 1px 2px rgba(0,0,0,.3), 0 1px 4px rgba(0,0,0,.2);
  --shadow-md: 0 4px 12px rgba(0,0,0,.4), 0 2px 4px rgba(0,0,0,.2);
  --shadow-lg: 0 8px 24px rgba(0,0,0,.5), 0 4px 8px rgba(0,0,0,.3);
}

/* ============================================================
   RESET & BASE
   ============================================================ */

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

html {
  font-size: var(--font-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-sans);
  font-size: var(--font-base);
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  transition: background var(--transition-base), color var(--transition-base);
}

/* ============================================================
   NAVIGATION
   ============================================================ */

nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  gap: var(--size-sm);
  padding: 0 var(--size-lg);
  background: var(--bg-overlay);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
}

nav a {
  font-size: var(--font-sm);
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  padding: var(--size-xs) var(--size-sm);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}

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

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

/* Spacer pushes theme toggle to the right */
nav .nav-spacer {
  flex: 1;
}

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

main {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: var(--size-xl) var(--size-lg);
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */

h1 {
  font-size: var(--font-3xl);
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--text);
  margin-bottom: var(--size-sm);
}

h2 {
  font-size: var(--font-xl);
  font-weight: 600;
  letter-spacing: -0.3px;
  color: var(--text);
  margin-bottom: var(--size-md);
}

h3 {
  font-size: var(--font-lg);
  font-weight: 600;
  color: var(--text);
  margin-bottom: var(--size-sm);
}

p {
  color: var(--text-secondary);
  line-height: 1.7;
}

code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--bg-surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1px 6px;
}

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

button,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--size-xs);
  font-family: var(--font-sans);
  font-size: var(--font-sm);
  font-weight: 500;
  line-height: 1;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    background var(--transition-fast),
    color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
}

button:active,
.btn:active {
  transform: scale(0.98);
}

/* Primary — filled accent */
button[type="submit"],
.btn-primary {
  background: var(--accent);
  color: var(--text-on-accent);
  border-color: var(--accent);
}

button[type="submit"]:hover,
.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  box-shadow: var(--shadow-sm);
}

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

.btn-secondary:hover {
  background: var(--bg-hover);
}

/* Danger — for delete actions */
.btn-danger {
  background: transparent;
  color: var(--danger);
  border-color: transparent;
  font-size: var(--font-xs);
  padding: 4px 10px;
}

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

/* Theme toggle */
.theme-toggle {
  background: var(--bg-hover);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  font-size: var(--font-xs);
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.3px;
}

.theme-toggle:hover {
  color: var(--text);
  background: var(--bg-surface2);
  border-color: var(--border-focus);
}

/* ============================================================
   FORMS & INPUTS
   ============================================================ */

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--size-xs);
  margin-bottom: var(--size-md);
}

label {
  display: flex;
  flex-direction: column;
  gap: var(--size-xs);
  font-size: var(--font-sm);
  font-weight: 500;
  color: var(--text-secondary);
}

input[type="text"],
input[type="email"],
input[type="number"],
input[type="password"],
input[type="search"],
select,
textarea {
  font-family: var(--font-sans);
  font-size: var(--font-base);
  color: var(--text);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 9px 12px;
  width: 100%;
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
  outline: none;
  -webkit-appearance: none;
}

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

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

/* Inline form layout (label + input + button on one line) */
.form-inline {
  display: flex;
  align-items: flex-end;
  gap: var(--size-sm);
  flex-wrap: wrap;
}

.form-inline label {
  flex: 1;
  min-width: 200px;
}

/* ============================================================
   CARDS & SECTIONS
   ============================================================ */

.card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--size-lg);
  transition: box-shadow var(--transition-base);
}

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

/* Section spacing between cards */
section + section {
  margin-top: var(--size-lg);
}

/* ============================================================
   TABLES
   ============================================================ */

.table-container {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

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

thead {
  background: var(--bg-surface2);
  border-bottom: 1px solid var(--border);
}

thead th {
  padding: 10px var(--size-md);
  text-align: left;
  font-size: var(--font-xs);
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

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

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

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

tbody td {
  padding: 12px var(--size-md);
  color: var(--text);
  vertical-align: middle;
}

/* Count columns (Hosts, Applications...) — right-aligned, muted color */
th.col-count,
td.col-count {
  text-align: right;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
  width: 120px;
}

th.col-count {
  color: var(--text-tertiary);
}

/* Actions column — right-aligned to match the button position */
th.col-actions,
td.col-actions {
  text-align: right;
  width: 100px;
}

/* ============================================================
   STATUS MESSAGES
   ============================================================ */

.error {
  display: flex;
  align-items: center;
  gap: var(--size-sm);
  font-size: var(--font-sm);
  color: var(--danger);
  background: var(--danger-light);
  border: 1px solid var(--danger);
  border-radius: var(--radius-sm);
  padding: var(--size-sm) var(--size-md);
  margin-bottom: var(--size-md);
}

.empty {
  font-size: var(--font-sm);
  color: var(--text-tertiary);
  text-align: center;
  padding: var(--size-xl);
}

/* ============================================================
   HOME PAGE — Dashboard
   ============================================================ */

.home-page {
  max-width: 860px;
  margin: 0 auto;
  padding-top: var(--size-2xl);
}

.home-header {
  text-align: center;
  margin-bottom: var(--size-2xl);
}

.home-header h1 {
  font-size: var(--font-3xl);
  margin-bottom: var(--size-xs);
}

.home-header p {
  font-size: var(--font-lg);
  color: var(--text-secondary);
  margin-bottom: 0;
}

/* Summary grid — one card per entity */
.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--size-md);
}

/* Clickable summary card */
.summary-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--size-sm);
  padding: var(--size-xl) var(--size-lg);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  cursor: pointer;
  transition:
    box-shadow var(--transition-base),
    border-color var(--transition-base),
    transform var(--transition-base),
    background var(--transition-base);
}

.summary-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
  background: var(--accent-light);
  transform: translateY(-2px);
}

.summary-card:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.summary-card__count {
  font-size: var(--font-3xl);
  font-weight: 700;
  letter-spacing: -1px;
  color: var(--text);
  line-height: 1;
  /* Animate count changes gracefully */
  transition: color var(--transition-base);
}

.summary-card:hover .summary-card__count {
  color: var(--accent);
}

.summary-card__label {
  font-size: var(--font-sm);
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

/* ============================================================
   NETWORKS PAGE
   ============================================================ */

.networks-page h1 {
  margin-bottom: var(--size-lg);
}

.networks-page .add-form {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--size-lg);
  margin-bottom: var(--size-lg);
}

.networks-page .add-form h2 {
  margin-bottom: var(--size-md);
}

.networks-page .add-form form {
  display: flex;
  align-items: flex-end;
  gap: var(--size-sm);
  flex-wrap: wrap;
}

.networks-page .add-form label {
  flex: 1;
  min-width: 220px;
}

.networks-page .add-form input {
  margin-top: var(--size-xs);
}

.networks-page .list h2 {
  margin-bottom: var(--size-md);
}

.networks-page .list .table-container {
  margin-top: 0;
}

/* Delete button inside table */
.networks-page td button {
  background: transparent;
  color: var(--danger);
  border: 1px solid transparent;
  font-size: var(--font-xs);
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.networks-page td button:hover {
  background: var(--danger-light);
  border-color: var(--danger);
}

/* ============================================================
   404 PAGE
   ============================================================ */

.not-found {
  text-align: center;
  padding-top: var(--size-2xl);
}

.not-found h1 {
  font-size: var(--font-2xl);
  margin-bottom: var(--size-md);
}

.not-found a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

.not-found a:hover {
  text-decoration: underline;
}

/* ============================================================
   TABLE UTILITIES — shared across pages
   ============================================================ */

/* Clickable link inside a table cell */
.table-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

.table-link:hover {
  text-decoration: underline;
}

/* Monospace cell (IPs, CIDRs…) */
.cell-mono {
  font-family: var(--font-mono);
  font-size: var(--font-sm);
  color: var(--text-secondary);
}

/* ============================================================
   FILTER BAR
   ============================================================ */

.filter-bar {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--size-md) var(--size-lg);
  margin-bottom: var(--size-md);
}

.filter-bar__fields {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--size-md);
  align-items: end;
}

.filter-field {
  display: flex;
  flex-direction: column;
  gap: var(--size-xs);
  font-size: var(--font-sm);
  font-weight: 500;
  color: var(--text-secondary);
}

.field-hint {
  font-size: var(--font-xs, 0.72rem);
  font-weight: 400;
  color: var(--text-muted, var(--text-secondary));
  opacity: 0.75;
}

/* ============================================================
   PAGINATION BAR
   ============================================================ */

.pagination-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--size-sm);
  padding: var(--size-sm) 0;
  margin-bottom: var(--size-sm);
}

.pagination-bar__info {
  font-size: var(--font-sm);
  color: var(--text-secondary);
}

.pagination-bar__controls {
  display: flex;
  align-items: center;
  gap: var(--size-md);
}

.pagination-per-page {
  display: flex;
  align-items: center;
  gap: var(--size-xs);
  font-size: var(--font-sm);
  color: var(--text-secondary);
  font-weight: 500;
}

.pagination-per-page select {
  width: auto;
  padding: 4px 8px;
  font-size: var(--font-sm);
}

.pagination-nav {
  display: flex;
  align-items: center;
  gap: var(--size-xs);
}

.pagination-nav button {
  background: var(--bg-surface);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 4px 10px;
  font-size: var(--font-base);
  border-radius: var(--radius-sm);
  min-width: 32px;
}

.pagination-nav button:hover:not(:disabled) {
  background: var(--bg-hover);
  border-color: var(--accent);
  color: var(--accent);
}

.pagination-nav button:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.pagination-nav__label {
  font-size: var(--font-sm);
  color: var(--text-secondary);
  white-space: nowrap;
  padding: 0 var(--size-xs);
}

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

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  animation: backdrop-in var(--transition-base) both;
}

@keyframes backdrop-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.modal {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--size-lg) var(--size-xl);
  width: 90%;
  max-width: 440px;
  animation: modal-in var(--transition-base) both;
}

@keyframes modal-in {
  from { opacity: 0; transform: translateY(-12px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0)     scale(1);    }
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--size-lg);
}

.modal__header h2 {
  margin: 0;
  font-size: var(--font-lg);
}

.modal__close {
  background: none;
  border: none;
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  color: var(--text-secondary);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}

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

.modal__body {
  margin-bottom: var(--size-lg);
}

.modal__body p {
  margin: 0 0 var(--size-sm);
}

.warning {
  color: var(--color-warning, #b45309);
  background: var(--color-warning-bg, #fef3c7);
  border: 1px solid var(--color-warning-border, #fcd34d);
  border-radius: var(--radius-sm);
  padding: var(--size-sm) var(--size-md);
  font-size: var(--font-sm);
}

/* Form fields inside modal — single column stack */
.modal .add-form__fields {
  display: flex;
  flex-direction: column;
  gap: var(--size-md);
}

.modal .add-form__fields label {
  display: flex;
  flex-direction: column;
  gap: var(--size-xs);
  font-size: var(--font-sm);
  font-weight: 500;
  color: var(--text-secondary);
}

/* Cancel / Submit button row */
.modal__actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--size-sm);
  margin-top: var(--size-lg);
}

.btn-secondary {
  background: var(--bg-hover);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 7px var(--size-md);
  font-size: var(--font-sm);
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.btn-secondary:hover {
  background: var(--bg-surface2);
}

/* ============================================================
   HOSTS PAGE
   ============================================================ */

/* Header row: title on the left, "Add host" button on the right */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--size-lg);
}

.page-header h1 {
  margin: 0;
}

.btn-primary {
  background: var(--accent);
  color: var(--text-on-accent);
  border: none;
  border-radius: var(--radius-sm);
  padding: 8px var(--size-md);
  font-size: var(--font-sm);
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition-fast);
  white-space: nowrap;
}

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

/* Solid danger button — used for prominent destructive actions (page header) */
.btn-danger-solid {
  background: var(--danger);
  color: #fff;
  border-color: var(--danger);
  font-size: var(--font-sm);
  padding: 8px var(--size-md);
  font-weight: 500;
}

.btn-danger-solid:hover {
  filter: brightness(0.9);
}

/* Left cluster inside page header: back button stacked above title */
.page-header__left {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--size-xs);
}

/* Detail page header: back button then centred title */
.detail-page-header {
  flex-direction: column;
  align-items: center;
  gap: var(--size-xs);
}

/* Self-align the back button to the left while the title stays centred */
.detail-page-header .back-btn {
  align-self: flex-start;
}

.detail-page-title {
  text-align: center;
  width: 100%;
  margin: 0;
}

.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--font-xs);
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 3px 10px;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

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

/* Delete button inside hosts table */
.hosts-page td button {
  background: transparent;
  color: var(--danger);
  border: 1px solid transparent;
  font-size: var(--font-xs);
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.hosts-page td button:hover {
  background: var(--danger-light);
  border-color: var(--danger);
}

/* ============================================================
   HOST DETAIL PAGE
   ============================================================ */

.host-detail-page {
  max-width: 720px;
}

/* Card-like section grouping related fields */
.detail-section {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--size-lg);
  margin-bottom: var(--size-lg);
}

.detail-section__title {
  font-size: var(--font-base);
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 var(--size-md);
}

/* Stack of label + input pairs */
.detail-form {
  display: flex;
  flex-direction: column;
  gap: var(--size-md);
}

.detail-field {
  display: flex;
  flex-direction: column;
  gap: var(--size-xs);
  font-size: var(--font-sm);
  font-weight: 500;
  color: var(--text-secondary);
}

.detail-field input,
.detail-field select {
  width: 100%;
  box-sizing: border-box;
}

/* Save button aligned to the right */
.form-actions {
  display: flex;
  justify-content: flex-end;
  padding-top: var(--size-xs);
}

/* ── Ports list ─────────────────────────────────────────────── */

.port-list {
  display: flex;
  flex-direction: column;
  margin-bottom: var(--size-md);
  border-top: 1px solid var(--border);
}

.port-row {
  display: flex;
  align-items: center;
  gap: var(--size-md);
  padding: var(--size-sm) var(--size-xs);
  border-bottom: 1px solid var(--border);
}

.port-row__number {
  font-family: var(--font-mono);
  font-size: var(--font-sm);
  font-weight: 600;
  min-width: 4ch;
  color: var(--accent);
}

.port-row__desc {
  flex: 1;
  font-size: var(--font-sm);
  color: var(--text-secondary);
}

/* Add port row: input + button side by side */
.port-add-row {
  display: flex;
  align-items: center;
  gap: var(--size-sm);
  padding-top: var(--size-sm);
  border-top: 1px solid var(--border);
  margin-top: var(--size-sm);
  flex-wrap: wrap;
}

.port-add-row input[type="number"] {
  width: 200px;
  flex-shrink: 0;
}

/* Delete button anchored to the bottom-right of the detail page */
.danger-zone {
  display: flex;
  justify-content: flex-end;
  margin-top: var(--size-lg);
}

/* ============================================================
   NETWORK DETAIL PAGE
   ============================================================ */

.network-detail-page {
  max-width: 720px;
}

/* CIDR displayed below the network name in the header */
.network-detail-cidr {
  font-family: var(--font-mono);
  font-size: var(--font-sm);
  color: var(--text-secondary);
  margin: 0;
}