/**
 * Apple Design System - VPS Commander Console (app.css)
 * Grounded in Apple HIG (macOS / iPadOS) & Liquid Glass Design Specs
 */

:root {
  color-scheme: dark;
  
  /* macOS Dark Semantic Colors */
  --bg-body: #000000;
  --bg-card: #16181d;
  --bg-sub: #1f232b;
  --bg-input: #121418;
  
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --border-subtle: rgba(255, 255, 255, 0.04);
  
  --text-main: #f5f5f7;
  --text-muted: #86868b;
  --text-status: #a1a1a6;
  --pre-text: #e5e5ea;
  --thead: #86868b;

  --accent: #0a84ff;
  --accent-subtle: rgba(10, 132, 255, 0.15);
  --accent-hover: #0071e3;

  --dot-online: #30d158;
  --dot-offline: #ff453a;
  --dot-warn: #ffd60a;

  --shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
  --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.5);

  --font-system: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-mono: "SF Mono", ui-monospace, Menlo, Monaco, Consolas, monospace;

  --card: var(--bg-card);
  --line: var(--border);

  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 6px;
  
  --ease-apple: cubic-bezier(0.16, 1, 0.3, 1);
}

:root[data-theme="light"] {
  color-scheme: light;

  /* macOS Light Semantic Colors */
  --bg-body: #f5f5f7;
  --bg-card: #ffffff;
  --bg-sub: #f0f0f4;
  --bg-input: #ffffff;

  --border: rgba(0, 0, 0, 0.08);
  --border-strong: rgba(0, 0, 0, 0.14);
  --border-subtle: rgba(0, 0, 0, 0.04);

  --text-main: #1d1d1f;
  --text-muted: #86868b;
  --text-status: #6e6e73;
  --pre-text: #1d1d1f;
  --thead: #86868b;

  --accent: #0071e3;
  --accent-subtle: rgba(0, 113, 227, 0.12);
  --accent-hover: #0077ed;

  --dot-online: #34c759;
  --dot-offline: #ff3b30;
  --dot-warn: #ff9500;

  --shadow: 0 2px 14px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 6px 20px rgba(0, 0, 0, 0.12);

  --card: var(--bg-card);
  --line: var(--border);
}

* {
  box-sizing: border-box;
}

html, body {
  min-height: 100%;
}

body {
  margin: 0;
  background: var(--bg-body);
  color: var(--text-main);
  font: 13px/1.5 var(--font-system);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ==========================================================================
   macOS Style Header (Liquid Glass Floating Topbar)
   ========================================================================== */
header {
  min-height: 56px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid var(--border);
  background: rgba(22, 24, 29, 0.75);
  backdrop-filter: blur(24px) saturate(190%);
  -webkit-backdrop-filter: blur(24px) saturate(190%);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: all 0.2s var(--ease-apple);
}

:root[data-theme="light"] header {
  background: rgba(255, 255, 255, 0.8);
}

.brand-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-logo {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  object-fit: cover;
  flex: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

header strong {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--text-main);
}

header span {
  margin-left: 10px;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 400;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

/* ==========================================================================
   Main Grid Layout & Content Cards
   ========================================================================== */
main {
  max-width: 1400px;
  margin: auto;
  padding: 24px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.wide {
  grid-column: 1 / -1;
}

.card {
  min-width: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
  box-shadow: var(--shadow);
  transition: border-color 0.2s var(--ease-apple), box-shadow 0.2s var(--ease-apple);
}

.cardhead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-width: 0;
  margin-bottom: 16px;
}

.cardhead > h2 {
  min-width: 0;
  margin: 0;
}

h2 {
  margin: 0 0 16px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-main);
}

/* ==========================================================================
   Controls: Buttons, Inputs, Selects
   ========================================================================== */
button, select, input, textarea {
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: var(--bg-sub);
  color: var(--text-main);
  padding: 7px 12px;
  font-family: var(--font-system);
  font-size: 13px;
  max-width: 100%;
  transition: all 0.15s ease-out;
}

button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-weight: 500;
  user-select: none;
}

button:hover {
  background: var(--bg-card);
  border-color: var(--accent);
}

button:active {
  transform: scale(0.98);
}

button:focus-visible, select:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

/* Primary Action Buttons */
#run, #mcpSave, #webhookSave, #saveGlobalSecurity {
  background: var(--accent);
  color: #ffffff;
  border-color: transparent;
  font-weight: 600;
}

#run:hover, #mcpSave:hover, #webhookSave:hover, #saveGlobalSecurity:hover {
  background: var(--accent-hover);
  border-color: transparent;
}

/* Secondary & Action Buttons */
#logout {
  background: transparent;
  border-color: var(--border);
  color: var(--text-muted);
}

#logout:hover {
  color: var(--dot-offline);
  border-color: rgba(255, 69, 58, 0.4);
  background: rgba(255, 69, 58, 0.1);
}

/* Icon Button (Theme Toggle) */
.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border-radius: 8px;
  background: var(--bg-sub);
  border: 1px solid var(--border);
  color: var(--text-main);
  cursor: pointer;
}

.btn-icon:hover {
  border-color: var(--border-strong);
  background: var(--bg-card);
}

.theme-svg {
  display: none;
  width: 16px;
  height: 16px;
}

:root[data-theme="dark"] .svg-sun {
  display: block;
  color: #ffd60a;
}

:root[data-theme="light"] .svg-moon {
  display: block;
  color: #1d1d1f;
}

/* Console & Code Blocks */
textarea {
  width: 100%;
  height: 110px;
  resize: vertical;
  font-family: var(--font-mono);
  font-size: 12px;
  margin: 10px 0;
  background: var(--bg-input);
  border-radius: 8px;
}

pre {
  white-space: pre-wrap;
  overflow: auto;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  color: var(--pre-text);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
  font-variant-numeric: tabular-nums;
}

/* ==========================================================================
   Devices Grid & Cards (Content Layer)
   ========================================================================== */
.devices {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}

.device-card {
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-sub);
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  transition: transform 0.2s var(--ease-apple), border-color 0.2s var(--ease-apple);
}

.device-card:hover {
  transform: translateY(-1.5px);
  border-color: var(--border-strong);
}

.v1-head {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.v1-row1 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-width: 0;
}

.v1-title {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  flex: 1;
}

.v1-name {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
}

.v1-row2 {
  font-size: 11px;
  color: var(--text-muted);
  padding-left: 15px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-variant-numeric: tabular-nums;
}

.dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--dot-online);
  vertical-align: middle;
  flex: none;
}

.offline .dot {
  background: var(--dot-offline);
}

.btn-revoke {
  padding: 2px 8px;
  font-size: 11px;
  border-radius: 5px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--dot-offline);
  cursor: pointer;
  flex-shrink: 0;
}

.btn-revoke:hover {
  background: rgba(255, 69, 58, 0.14);
  border-color: var(--dot-offline);
}

/* Node Profile Grid (Compact 2-Column Metrics) */
.profile-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px 12px;
  padding: 10px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 12px;
}

.p-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 6px;
  min-height: 20px;
}

.p-label {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 11px;
}

.p-val {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 12px;
  color: var(--text-main);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.badge-docker-text {
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 600;
}

.badge-docker-text.yes {
  background: rgba(48, 209, 88, 0.15);
  color: var(--dot-online);
  border: 1px solid rgba(48, 209, 88, 0.3);
}

.badge-docker-text.no {
  background: rgba(142, 142, 147, 0.15);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.device-card.offline {
  opacity: 0.65;
  filter: saturate(0.5);
}

/* ==========================================================================
   MCP Toolbar, Grid & Forms
   ========================================================================== */
.mcp-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.mcp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 14px;
}

.mcp-item {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  background: var(--bg-sub);
}

.mcp-item h3 {
  margin: 0 0 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
}

.mcp-meta {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.6;
}

.mcp-actions {
  display: flex;
  gap: 8px;
  margin-top: 14px;
}

.mcp-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.mcp-form .full {
  grid-column: 1 / -1;
}

.mcp-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
}

.mcp-form input, .mcp-form select, .mcp-form textarea {
  width: 100%;
}

.mcp-form textarea {
  min-height: 72px;
  font-family: var(--font-mono);
}

.mcp-nodes {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 4px;
}

.mcp-nodes label {
  flex-direction: row;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.mcp-status {
  font-size: 12px;
  margin-top: 8px;
  min-height: 18px;
}

.mcp-test-result {
  margin-top: 12px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-input);
  font-size: 12px;
}

.mcp-test-result.ok {
  border-color: rgba(48, 209, 88, 0.4);
}

.mcp-test-result.fail {
  border-color: rgba(255, 69, 58, 0.4);
}

/* ==========================================================================
   Data Tables (macOS Table Standard)
   ========================================================================== */
.tablewrap {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  border-radius: 8px;
  border: 1px solid var(--border);
}

table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

th, td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  white-space: nowrap;
}

th {
  background: var(--bg-sub);
  color: var(--thead);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-size: 11px;
}

td {
  color: var(--text-main);
}

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

tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

/* Security Policies */
.security-grid {
  display: flex;
  gap: 14px;
  align-items: flex-end;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.security-grid label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
}

.security-grid button {
  height: 32px;
}

/* Login Page (Apple Centered Card) */
.login {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 20px;
}

.login form {
  width: min(360px, 90vw);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-hover);
}

.login input, .login button {
  width: 100%;
  margin-top: 14px;
  height: 38px;
}

.login h1 {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.015em;
  text-align: center;
}

.login p, #error {
  color: var(--text-muted);
  text-align: center;
  font-size: 13px;
  margin-bottom: 12px;
}

#error {
  color: var(--dot-offline);
  font-weight: 500;
}

/* Responsive */
@media (max-width: 800px) {
  .grid {
    grid-template-columns: 1fr;
  }
  .wide {
    grid-column: auto;
  }
  main {
    padding: 16px 12px;
  }
  header {
    padding: 0 16px;
  }
}