/* ==========================================================================
   OpenStack AI Cloud Operator — Design System & Stylesheet
   Modern Glassmorphism • Dark Theme • High Readability
   ========================================================================== */

:root {
  --bg-base: #0a0d14;
  --bg-surface: #101522;
  --bg-elevated: #161c2d;
  --bg-card: rgba(22, 28, 45, 0.7);
  --bg-glass: rgba(16, 21, 34, 0.75);

  --border-subtle: rgba(255, 255, 255, 0.07);
  --border-active: rgba(99, 102, 241, 0.4);
  --border-accent: rgba(56, 189, 248, 0.4);

  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --accent-primary: #6366f1;
  --accent-primary-hover: #4f46e5;
  --accent-cyan: #38bdf8;
  --accent-cyan-glow: rgba(56, 189, 248, 0.25);

  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #f43f5e;
  --color-info: #0284c7;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.15);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-base);
  color: var(--text-main);
  height: 100vh;
  overflow: hidden;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ==========================================================================
   Layout Architecture
   ========================================================================== */

.app-layout {
  display: flex;
  flex-direction: column;
  height: 100vh;
  width: 100vw;
}

/* Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1.5rem;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  backdrop-filter: blur(12px);
  z-index: 10;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-cyan));
  color: #fff;
  box-shadow: var(--shadow-glow);
}

.brand-title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(90deg, #ffffff, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.header-badges {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 500;
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
}

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

.status-connected .status-dot {
  background-color: var(--color-success);
  box-shadow: 0 0 8px var(--color-success);
}

.status-checking .status-dot {
  background-color: var(--color-warning);
  animation: pulse 1.5s infinite;
}

.status-disconnected .status-dot {
  background-color: var(--color-danger);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
  background-color: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.25);
  color: #c7d2fe;
}

.badge-label {
  color: var(--text-dim);
}

.icon-btn {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
}

.icon-btn:hover {
  color: #fff;
  border-color: var(--border-active);
  background: var(--bg-surface);
}

/* App Body */
.app-body {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* Sidebar */
.sidebar {
  width: 330px;
  background-color: var(--bg-surface);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  padding: 1.25rem 1rem;
  gap: 1.25rem;
}

.sidebar-section {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.section-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
}

.info-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.info-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
}

.info-label {
  color: var(--text-muted);
}

.info-val {
  color: var(--text-main);
  max-width: 170px;
}

.truncate {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.font-mono {
  font-family: var(--font-mono);
}

.font-semibold {
  font-weight: 600;
}

/* KB Grid */
.kb-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.kb-stat-box {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.stat-label {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* Quick Actions */
.quick-actions {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.quick-btn {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.75rem;
  font-size: 0.78rem;
  text-align: left;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.quick-btn:hover {
  background: rgba(99, 102, 241, 0.15);
  border-color: var(--border-active);
  transform: translateX(2px);
}

.sidebar-footer {
  margin-top: auto;
  font-size: 0.7rem;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
}

.footer-dot {
  color: var(--text-dim);
}

/* ==========================================================================
   Chat Main Area
   ========================================================================== */

.chat-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-base);
  position: relative;
  overflow: hidden;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Messages */
.message {
  display: flex;
  gap: 1rem;
  max-width: 900px;
  width: 100%;
}

.message-user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.message-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--accent-cyan);
}

.message-user .message-avatar {
  background: linear-gradient(135deg, var(--accent-primary), #8b5cf6);
  color: #fff;
}

.message-content {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  color: var(--text-main);
  box-shadow: var(--shadow-lg);
  line-height: 1.6;
}

.message-user .message-content {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(16, 21, 34, 0.9));
  border-color: rgba(99, 102, 241, 0.4);
}

.message-content h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: #fff;
}

.message-content p {
  margin-bottom: 0.75rem;
}

.message-content p:last-child {
  margin-bottom: 0;
}

.message-content ul, .message-content ol {
  margin-left: 1.25rem;
  margin-bottom: 0.75rem;
}

.message-content li {
  margin-bottom: 0.25rem;
}

.message-content code {
  font-family: var(--font-mono);
  background: rgba(0, 0, 0, 0.4);
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-size: 0.85em;
  color: #7dd3fc;
}

.message-content pre {
  background: #06090e;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.85rem;
  overflow-x: auto;
  margin: 0.75rem 0;
}

.message-content pre code {
  background: transparent;
  padding: 0;
  color: #e2e8f0;
}

.message-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.85rem 0;
  font-size: 0.85rem;
}

.message-content th, .message-content td {
  border: 1px solid var(--border-subtle);
  padding: 0.5rem 0.75rem;
  text-align: left;
}

.message-content th {
  background-color: var(--bg-elevated);
  font-weight: 600;
  color: var(--text-main);
}

/* Tool Execution Badge & Drawer */
.tool-call-card {
  margin: 0.5rem 0;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: var(--radius-md);
  overflow: hidden;
  font-size: 0.8rem;
}

.tool-call-header {
  padding: 0.5rem 0.85rem;
  background: rgba(56, 189, 248, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
}

.tool-name-badge {
  font-family: var(--font-mono);
  color: var(--accent-cyan);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.tool-call-body {
  padding: 0.75rem;
  border-top: 1px solid var(--border-subtle);
  background: #05080f;
  font-family: var(--font-mono);
  max-height: 250px;
  overflow-y: auto;
  white-space: pre-wrap;
  color: #94a3b8;
}

/* Action Confirmation Card (Tier 2/3 Guardrails) */
.confirmation-card {
  margin: 1rem 0;
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.12), rgba(16, 21, 34, 0.95));
  border: 1px solid rgba(245, 158, 11, 0.5);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: 0 0 25px rgba(245, 158, 11, 0.15);
}

.confirmation-card.tier-3 {
  background: linear-gradient(135deg, rgba(244, 63, 94, 0.15), rgba(16, 21, 34, 0.95));
  border-color: rgba(244, 63, 94, 0.6);
  box-shadow: 0 0 25px rgba(244, 63, 94, 0.2);
}

.confirmation-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.confirmation-title {
  font-size: 0.95rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #fbbf24;
}

.confirmation-card.tier-3 .confirmation-title {
  color: #fb7185;
}

.tier-badge {
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
}

.tier-badge.tier-2 {
  background: rgba(245, 158, 11, 0.25);
  color: #fde68a;
  border: 1px solid rgba(245, 158, 11, 0.4);
}

.tier-badge.tier-3 {
  background: rgba(244, 63, 94, 0.25);
  color: #fecdd3;
  border: 1px solid rgba(244, 63, 94, 0.5);
}

.confirmation-command {
  background: #090d16;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: #38bdf8;
  margin-bottom: 0.75rem;
  word-break: break-all;
}

.confirmation-reason {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.confirmation-actions {
  display: flex;
  gap: 0.75rem;
}

.btn-approve {
  background: linear-gradient(135deg, var(--color-success), #059669);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.55rem 1.25rem;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-approve:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.35);
}

.btn-reject {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.55rem 1.1rem;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-reject:hover {
  background: rgba(244, 63, 94, 0.15);
  border-color: rgba(244, 63, 94, 0.35);
  color: #fda4af;
}

/* Inline Chat Images & Diagrams */
.chat-inline-img,
.agent-text-body img {
  display: block;
  max-width: 100%;
  max-height: 380px;
  margin: 0.85rem auto;
  object-fit: contain;
  background: #ffffff;
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  cursor: zoom-in;
  transition: all 0.25s ease;
}

.chat-inline-img:hover,
.agent-text-body img:hover {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 20px rgba(56, 189, 248, 0.35);
  transform: translateY(-2px);
}

/* Diagram Preview Card */
.diagram-preview-card {
  margin: 0.85rem 0;
  background: var(--bg-surface);
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  cursor: pointer;
  transition: all 0.25s;
  max-width: 450px;
}

.diagram-preview-card:hover {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(56, 189, 248, 0.2);
  transform: translateY(-2px);
}

.diagram-preview-img {
  width: 100%;
  max-height: 220px;
  object-fit: contain;
  background: #ffffff;
  border-radius: var(--radius-sm);
  padding: 0.5rem;
}

.diagram-preview-label {
  margin-top: 0.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Input Bar */
.chat-input-wrapper {
  padding: 1rem 2rem 1.25rem 2rem;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
}

.chat-input-form {
  display: flex;
  align-items: flex-end;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 0.5rem 0.75rem;
  gap: 0.5rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.chat-input-form:focus-within {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.chat-textarea {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: #fff;
  font-family: var(--font-sans);
  font-size: 0.92rem;
  resize: none;
  max-height: 140px;
  min-height: 24px;
  padding: 0.35rem 0.25rem;
  line-height: 1.4;
}

.chat-textarea::placeholder {
  color: var(--text-dim);
}

.send-btn {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-cyan));
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
  flex-shrink: 0;
}

.send-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 0 12px rgba(99, 102, 241, 0.5);
}

.send-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.input-hint {
  margin-top: 0.45rem;
  font-size: 0.7rem;
  color: var(--text-dim);
  text-align: center;
}

kbd {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-subtle);
  border-radius: 3px;
  padding: 0.1rem 0.3rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
}

/* Modal Lightbox */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.hidden {
  display: none !important;
}

.modal-content {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  width: 90vw;
  max-width: 1000px;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.8);
}

.modal-header {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
}

.modal-close:hover {
  color: #fff;
}

.modal-body {
  padding: 1.5rem;
  overflow: auto;
  display: flex;
  justify-content: center;
  background: #ffffff;
}

.modal-body img {
  max-width: 100%;
  height: auto;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.9); }
}

/* -------------------------------------------------------------------------
   Multi-User & Session Drawer Styles
------------------------------------------------------------------------- */
.user-pill {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(30, 41, 59, 0.7);
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: 9999px;
  padding: 0.25rem 0.6rem 0.25rem 0.35rem;
  transition: all 0.2s ease;
}

.user-pill:hover {
  border-color: var(--accent-cyan);
  background: rgba(30, 41, 59, 0.95);
}

.user-avatar-circle {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366f1, #38bdf8);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.75rem;
}

.user-meta-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.user-name {
  font-size: 0.8rem;
  font-weight: 600;
  color: #ffffff;
}

.user-project {
  font-size: 0.68rem;
  color: var(--accent-cyan);
}

.logout-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.2rem;
  display: flex;
  align-items: center;
  border-radius: var(--radius-sm);
  transition: color 0.2s, background 0.2s;
}

.logout-btn:hover {
  color: #fda4af;
  background: rgba(244, 63, 94, 0.15);
}

/* Button variants */
.btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
  border-radius: var(--radius-md);
}

.btn-secondary {
  background: rgba(51, 65, 85, 0.6);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  padding: 0.6rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  background: rgba(71, 85, 105, 0.8);
  border-color: rgba(148, 163, 184, 0.4);
}

.btn-block {
  width: 100%;
  display: block;
  text-align: center;
}

/* Sessions Drawer */
.section-header-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.icon-btn-sm {
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid var(--border-subtle);
  color: var(--accent-cyan);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  transition: all 0.2s;
}

.icon-btn-sm:hover {
  background: rgba(56, 189, 248, 0.15);
  border-color: var(--accent-cyan);
}

.session-list {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  max-height: 160px;
  overflow-y: auto;
}

.session-item {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.4rem;
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius-sm);
  background: rgba(15, 23, 42, 0.4);
  border: 1px solid transparent;
  color: var(--text-muted);
  font-size: 0.78rem;
  cursor: pointer;
  transition: all 0.2s;
}

.session-item:hover {
  background: rgba(30, 41, 59, 0.7);
  color: var(--text-main);
  border-color: var(--border-subtle);
}

.session-item.active {
  background: rgba(56, 189, 248, 0.12);
  border-color: rgba(56, 189, 248, 0.4);
  color: var(--accent-cyan);
  font-weight: 500;
}

.session-item-content {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}

.session-item-icon {
  font-size: 0.85rem;
  flex-shrink: 0;
}

.session-item-title {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.session-delete-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 0.9rem;
  padding: 0 0.25rem;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s, color 0.15s;
  line-height: 1;
  flex-shrink: 0;
}

.session-item:hover .session-delete-btn {
  opacity: 0.7;
}

.session-delete-btn:hover {
  opacity: 1 !important;
  color: var(--color-danger);
}

/* Keystone Login Modal */
.login-modal-card {
  background: var(--bg-surface);
  border: 1px solid rgba(99, 102, 241, 0.4);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 440px;
  padding: 2rem;
  position: relative;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.8), 0 0 30px rgba(99, 102, 241, 0.15);
  animation: modalAppear 0.25s ease-out;
}

@keyframes modalAppear {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.login-modal-header {
  text-align: center;
  margin-bottom: 1.5rem;
  position: relative;
}

.login-modal-header .brand-icon {
  margin: 0 auto 0.75rem auto;
  width: 44px;
  height: 44px;
}

.login-modal-header h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.25rem;
}

.login-modal-header p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.login-modal-header .modal-close {
  position: absolute;
  top: -0.5rem;
  right: -0.5rem;
}

.login-form .form-group {
  margin-bottom: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.login-form label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
}

.login-form input {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.6rem 0.85rem;
  color: #ffffff;
  font-size: 0.88rem;
  font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.login-form input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.login-error {
  padding: 0.6rem 0.85rem;
  background: rgba(244, 63, 94, 0.15);
  border: 1px solid rgba(244, 63, 94, 0.4);
  border-radius: var(--radius-md);
  color: #fecdd3;
  font-size: 0.8rem;
  margin-bottom: 1rem;
}

.login-actions {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 1.25rem;
}

/* OpenRC Drag & Drop & Upload Styles */
.openrc-dropzone {
  border: 2px dashed rgba(99, 102, 241, 0.4);
  border-radius: var(--radius-md);
  padding: 1.4rem 1rem;
  text-align: center;
  background: rgba(15, 23, 42, 0.6);
  cursor: pointer;
  transition: all 0.25s ease;
  outline: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.45rem;
}

.openrc-dropzone:hover, .openrc-dropzone.dragover {
  border-color: var(--accent-primary);
  background: rgba(99, 102, 241, 0.12);
  box-shadow: 0 0 16px rgba(99, 102, 241, 0.25);
}

.dropzone-icon {
  margin-bottom: 0.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.dropzone-text strong {
  display: block;
  font-size: 0.88rem;
  color: #f8fafc;
  margin-bottom: 0.25rem;
}

.dropzone-text code {
  color: #38bdf8;
  background: rgba(14, 165, 233, 0.22);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  font-weight: 600;
  font-family: var(--font-mono);
}

.btn-connect-cloud {
  background: #e2e8f0;
  color: #0f172a;
  font-weight: 600;
  font-size: 0.92rem;
  padding: 0.72rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.2);
  cursor: pointer;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.2s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
  font-family: inherit;
}

.btn-connect-cloud:hover:not(:disabled) {
  background: #ffffff;
  color: #020617;
  box-shadow: 0 6px 18px rgba(255, 255, 255, 0.3);
  transform: translateY(-1px);
}

.btn-connect-cloud:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.dropzone-sub {
  display: block;
  font-size: 0.72rem;
  color: var(--text-muted);
}

.selected-file-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.4);
  border-radius: 9999px;
  padding: 0.3rem 0.85rem;
  font-size: 0.78rem;
  color: #a7f3d0;
  margin-top: 0.4rem;
}

.openrc-preview-card {
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: var(--radius-md);
  padding: 0.75rem 0.9rem;
  margin-top: 0.85rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.35rem;
  font-size: 0.78rem;
}

.openrc-preview-card .preview-item {
  display: flex;
  justify-content: space-between;
  color: var(--text-muted);
}

.openrc-preview-card .preview-item strong {
  color: #38bdf8;
  font-family: var(--font-mono);
}

.label-hint {
  font-size: 0.7rem;
  font-weight: 400;
  color: #fbbf24;
}

.toggle-raw-link {
  text-align: right;
  margin-top: 0.35rem;
}

.toggle-raw-link a {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-decoration: underline;
  cursor: pointer;
}

.toggle-raw-link a:hover {
  color: #38bdf8;
}