/**
 * Tenstorrent Cloud - Experience Design System
 * Implements the design from: https://www.figma.com/design/mlhYD7jeoGW7a6e7k9fR17/TT-Cloud--External-
 */

/* Import Berkeley Mono font from Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Berkeley+Mono:wght@400;700&display=swap');

/* CSS Variables - Design Tokens from Experience Design */
:root {
  /* Surface colors */
  --surface-primary: #f9fafb;
  --surface-secondary: #eff2f5;
  --surface-inverse: #17191c;

  /* Foreground colors */
  --foreground-foreground: #252b32;
  --foreground-subdued: #596673;
  --foreground-inverse: #f9fafb;

  /* Border colors */
  --border-default: #9fabb7;
  --border-dim: #d0d6dd;
  --border-bold: #252b32;

  /* Button colors */
  --button-primary-bg: #23718b;
  --button-primary-fg: #f9fafb;
  --button-outline-outline: #3f4a55;
  --button-outline-fg: #3f4a55;
  --button-ghost-fg: #596673;

  /* Status/Messaging colors */
  --messaging-error: #f15737;
  --messaging-warning: #f59e0b;
  --messaging-success: #06a285;

  /* Spacing scale */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 40px;
  --space-8: 64px;
}

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

/* Base Typography */
body {
  font-family: 'Berkeley Mono', 'Courier New', monospace;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.3;
  color: var(--foreground-foreground);
  background-color: var(--surface-secondary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* TopBar / Header */
.header {
  background-color: var(--surface-inverse);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  max-width: 1512px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  height: 26px;
  display: flex;
  align-items: center;
}

.logo img {
  height: 100%;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

/* Button - Ghost (FAQs) */
.nav-links a {
  font-family: 'Berkeley Mono', monospace;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.4;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--button-ghost-fg);
  padding: 8px 16px;
  border-radius: 8px;
  transition: background-color 0.2s;
}

.nav-links a:hover {
  background-color: rgba(255, 255, 255, 0.05);
}

/* Button - Outline (Login/Logout) */
.nav-btn {
  font-family: 'Berkeley Mono', monospace;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.4;
  text-transform: uppercase;
  background: transparent;
  color: var(--button-outline-fg);
  border: 1px solid var(--button-outline-outline);
  padding: 8px 16px;
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 32px;
}

.nav-btn:hover {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: var(--button-outline-fg);
}

/* User Profile Badge */
.user-profile {
  display: flex;
  align-items: center;
  gap: 5px;
}

.user-avatar {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: var(--messaging-error);
}

.user-name {
  font-family: 'Berkeley Mono', monospace;
  font-size: 14px;
  line-height: 1.3;
  color: var(--foreground-inverse);
}

/* Main Container */
.container {
  max-width: 1512px;
  margin: 0 auto;
  padding: 32px;
  flex: 1;
  width: 100%;
}

/* Landing Page - Hero Section */
.hero-section {
  text-align: center;
  padding: 64px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.hero-section .btn-primary {
  text-transform: uppercase;
}

.hero-icon {
  width: 24px;
  height: 24px;
}

.hero-title {
  font-family: 'Berkeley Mono', monospace;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--foreground-foreground);
  text-transform: uppercase;
  margin: 0;
}

.hero-subtitle {
  font-family: 'Berkeley Mono', monospace;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.2;
  color: var(--foreground-subdued);
  margin: 0;
}

/* Button - Primary */
.button, button[type="submit"], .btn-primary {
  font-family: 'Berkeley Mono', monospace;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.4;
  text-transform: uppercase;
  background-color: var(--button-primary-bg);
  color: var(--button-primary-fg);
  border: none;
  padding: 16px;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  min-width: 175px;
  transition: all 0.2s;
}

.button:hover, button[type="submit"]:hover, .btn-primary:hover {
  background-color: #1d5f75;
}

.button:disabled, button[type="submit"]:disabled, .btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Feature Cards (Landing Page) */
.feature-cards {
  display: flex;
  gap: 24px;
  margin-top: 40px;
  padding: 64px 0;
}

.feature-card {
  background-color: var(--surface-primary);
  border: 1px solid var(--border-default);
  border-radius: 4px;
  padding: 24px;
  flex: 1;
  text-align: center;
}

.feature-card p {
  font-family: 'Berkeley Mono', monospace;
  font-size: 14px;
  line-height: 1.3;
  color: var(--foreground-foreground);
}



/* Modal / Card */
.modal-card, .card {
  background-color: var(--surface-primary);
  border: 1px solid var(--border-default);
  border-radius: 4px;
  padding: 32px;
  max-width: 400px;
  margin: 0 auto;
}

.modal-title {
  font-family: 'Berkeley Mono', monospace;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--foreground-foreground);
  text-align: center;
  margin-bottom: 40px;
}

/* OAuth Buttons */
.oauth-buttons {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.oauth-button {
  font-family: 'Berkeley Mono', monospace;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.4;
  text-transform: uppercase;
  background: transparent;
  color: var(--button-outline-fg);
  border: 1px solid var(--button-outline-outline);
  padding: 16px;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  transition: all 0.2s;
}

.oauth-button:hover {
  background-color: rgba(0, 0, 0, 0.02);
}

.oauth-button svg,
.oauth-button img {
  width: 20px;
  height: 20px;
}

/* Dashboard */
.dashboard {
  background-color: var(--surface-secondary);
  border-radius: 4px;
  min-height: 918px;
  display: flex;
  flex-direction: column;
}

.dashboard-topbar {
  background-color: var(--surface-primary);
  border-bottom: 1px solid var(--border-dim);
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-radius: 4px 4px 0 0;
}

.dashboard-title {
  font-family: 'Berkeley Mono', monospace;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--foreground-foreground);
  text-transform: uppercase;
}

.dashboard-content {
  flex: 1;
  padding: 40px 80px;
  display: flex;
  flex-direction: column;
}

/* Pending Approval Card */
.pending-card {
  background-color: var(--surface-primary);
  border: 2px solid var(--border-bold);
  border-radius: 4px;
  padding: 32px;
  text-align: center;
  max-width: 400px;
  margin: auto;
}

.pending-title {
  font-family: 'Berkeley Mono', monospace;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--foreground-foreground);
  margin-bottom: 16px;
}

.pending-message {
  font-family: 'Berkeley Mono', monospace;
  font-size: 14px;
  line-height: 1.3;
  color: var(--foreground-subdued);
}

.pending-message strong {
  color: var(--foreground-foreground);
  font-weight: 700;
}

/* Tabs */
.tabs-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
}

.tabs {
  display: flex;
  gap: 24px;
}

.tab {
  font-family: 'Berkeley Mono', monospace;
  font-size: 16px;
  line-height: 1.2;
  color: var(--foreground-foreground);
  padding: 4px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s;
}

.tab.active {
  font-weight: 700;
  border-bottom-color: var(--border-bold);
}

.tab:not(.active) {
  font-weight: 400;
}

/* Instance Counter */
.instance-counter {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: 'Berkeley Mono', monospace;
  font-size: 16px;
  line-height: 1.2;
  color: var(--foreground-foreground);
}

.counter-number {
  background-color: var(--surface-primary);
  padding: 2px 8px;
  font-weight: 400;
}

/* Empty State */
.empty-state {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
}

.empty-icon {
  width: 48px;
  height: 48px;
  border: 1px solid var(--border-default);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.empty-icon::after {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--border-default);
}

.empty-message {
  font-family: 'Berkeley Mono', monospace;
  font-size: 14px;
  line-height: 1.3;
  color: var(--foreground-subdued);
  text-transform: uppercase;
}

/* Instance List */
.instance-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.instance-item {
  background-color: var(--surface-primary);
  border: 1px solid var(--border-dim);
  border-radius: 4px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.instance-left {
  display: flex;
  align-items: center;
  gap: 40px;
}

.instance-badge {
  border: 1px solid var(--border-default);
  padding: 4px 8px;
  display: flex;
  align-items: center;
  gap: 4px;
  font-family: 'Berkeley Mono', monospace;
  font-size: 14px;
  line-height: 1.3;
  color: var(--foreground-foreground);
}

.instance-badge-icon {
  width: 16px;
  height: 16px;
}

.instance-id {
  font-family: 'Berkeley Mono', monospace;
  font-size: 16px;
  line-height: 1.2;
  color: var(--foreground-subdued);
}

.instance-right {
  display: flex;
  align-items: center;
  gap: 24px;
}

.instance-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Berkeley Mono', monospace;
  font-size: 14px;
  line-height: 1.3;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.status-dot.error {
  background-color: var(--messaging-error);
}

.status-dot.warning {
  background-color: var(--messaging-warning);
}

.status-dot.success {
  background-color: var(--messaging-success);
}

.status-text.error {
  color: var(--messaging-error);
}

.status-text.warning {
  color: var(--foreground-foreground);
}

.status-text.success {
  color: var(--foreground-foreground);
}

.instance-action {
  background-color: var(--surface-secondary);
  border: 1px solid var(--border-dim);
  border-radius: 4px;
  padding: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.2s;
}

.instance-action:hover {
  background-color: var(--border-dim);
}

.instance-action svg,
.instance-action img {
  width: 16px;
  height: 16px;
}

/* Messages/Alerts */
.messages {
  list-style: none;
  margin-bottom: 24px;
}

.messages li {
  background-color: var(--surface-primary);
  border: 1px solid var(--border-default);
  border-radius: 4px;
  padding: 16px;
  margin-bottom: 12px;
  font-family: 'Berkeley Mono', monospace;
  font-size: 14px;
  line-height: 1.3;
}

.messages li.success {
  border-color: var(--messaging-success);
  color: var(--messaging-success);
}

.messages li.error {
  border-color: var(--messaging-error);
  color: var(--messaging-error);
}

.messages li.warning {
  border-color: var(--messaging-warning);
  color: var(--messaging-warning);
}

/* Forms */
.form-group {
  margin-bottom: 24px;
}

label {
  display: block;
  margin-bottom: 8px;
  font-family: 'Berkeley Mono', monospace;
  font-size: 14px;
  font-weight: 700;
  color: var(--foreground-foreground);
}

input[type="text"],
input[type="email"],
textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-default);
  border-radius: 4px;
  font-family: 'Berkeley Mono', monospace;
  font-size: 14px;
  background-color: var(--surface-primary);
  color: var(--foreground-foreground);
  transition: border-color 0.2s;
}

input[type="text"]:focus,
input[type="email"]:focus,
textarea:focus {
  outline: none;
  border-color: var(--button-primary-bg);
}

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding: 16px;
  }

  .dashboard-content {
    padding: 24px 16px;
  }

  .feature-cards {
    flex-direction: column;
  }

  .instance-left,
  .instance-right {
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
  }

  .nav-links {
    gap: 12px;
    flex-wrap: wrap;
  }
}

/* Beta Badge (keeping from original) */
.beta-badge {
  display: inline-block;
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #ffffff;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 4px;
  margin-left: 8px;
  vertical-align: middle;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-center {
  justify-content: center;
}

.gap-2 {
  gap: var(--space-2);
}

.gap-4 {
  gap: var(--space-4);
}

.gap-6 {
  gap: var(--space-6);
}

.mb-4 {
  margin-bottom: var(--space-4);
}

.mb-6 {
  margin-bottom: var(--space-6);
}

.p-4 {
  padding: var(--space-4);
}

.p-6 {
  padding: var(--space-6);
}