/* ============================= saas-layout.css ============================= */
/* Specific styles for the modern full-screen chat interface */

:root {
  --saas-bg: #ffffff;
  --saas-sidebar: #f9f9fb;
  --saas-border: #e5e7eb;
  --saas-text: #111827;
  --saas-muted: #6b7280;
  --saas-primary: #ff5d2d;
  --saas-primary-hover: #e04b20;
  --saas-radius: 12px;
}

body.saas-layout {
  margin: 0;
  padding: 0;
  height: 100vh;
  overflow: hidden;
  background-color: var(--saas-bg);
  color: var(--saas-text);
  font-family: "Inter", sans-serif;
}

.saas-container {
  display: flex;
  height: 100vh;
  width: 100vw;
}

/* Sidebar */
.saas-sidebar {
  width: 260px;
  background-color: var(--saas-sidebar);
  border-right: 1px solid var(--saas-border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  transition: transform 0.3s ease;
  z-index: 100;
}

.saas-sidebar-header {
  height: 60px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--saas-border);
}

.saas-sidebar-header .logo {
  display: flex;
  align-items: center;
  font-weight: 700;
  color: var(--saas-primary);
  text-decoration: none;
  font-size: 1.1rem;
}

.saas-sidebar-close {
  display: none;
  background: none;
  border: none;
  color: var(--saas-muted);
  cursor: pointer;
  padding: 4px;
}

.saas-sidebar-content {
  padding: 16px;
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.saas-new-chat-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 10px;
  border-radius: var(--saas-radius);
  font-weight: 600;
}

.saas-nav-section {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.saas-nav-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--saas-muted);
  font-weight: 600;
  margin: 0;
}

/* Sidebar Selectors */
.saas-settings-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.saas-select-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.saas-select-icon {
  position: absolute;
  left: 10px;
  color: var(--saas-muted);
  pointer-events: none;
}

.saas-select-wrapper select {
  width: 100%;
  appearance: none;
  background-color: #ffffff;
  border: 1px solid var(--saas-border);
  border-radius: 8px;
  padding: 8px 10px 8px 32px;
  font-size: 0.85rem;
  color: var(--saas-text);
  cursor: pointer;
  transition: border-color 0.2s;
}

.saas-select-wrapper select:focus {
  outline: none;
  border-color: var(--saas-primary);
}

/* History List */
.saas-history-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* Main Area */
.saas-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0; /* Important for flex child */
  position: relative;
}

.saas-header {
  height: 60px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--saas-border);
  background-color: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  z-index: 10;
}

.saas-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--saas-text);
  cursor: pointer;
  padding: 8px;
  margin-left: -8px;
}

.saas-mode-badge {
  background-color: #f3f4f6;
  color: var(--saas-muted);
  padding: 4px 12px;
  border-radius: 99px;
  font-size: 0.8rem;
  font-weight: 500;
}

.saas-header-link {
  color: var(--saas-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

.saas-header-link:hover {
  color: var(--saas-text);
}

/* Chat Area */
.saas-chat-area {
  flex: 1;
  overflow-y: auto;
  padding: 0 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.saas-messages {
  width: 100%;
  max-width: 800px;
  display: flex;
  flex-direction: column;
  padding: 24px 0;
}

/* Empty State */
.saas-empty-state {
  margin: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 800px;
  width: 100%;
  padding: 20px;
}

.saas-empty-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background-color: #fff1eb;
  color: var(--saas-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.saas-empty-state h2 {
  font-size: 1.8rem;
  margin-bottom: 32px;
  color: var(--saas-text);
}

.saas-prompt-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  width: 100%;
}

.saas-prompt-card {
  background: #ffffff;
  border: 1px solid var(--saas-border);
  border-radius: var(--saas-radius);
  padding: 16px;
  text-align: left;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.saas-prompt-card:hover {
  border-color: var(--saas-primary);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  transform: translateY(-2px);
}

.saas-prompt-title {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--saas-text);
}

.saas-prompt-desc {
  font-size: 0.85rem;
  color: var(--saas-muted);
  line-height: 1.4;
}

/* Input Area */
.saas-input-area {
  padding: 0 16px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: linear-gradient(0deg, var(--saas-bg) 60%, transparent);
}

.saas-input-wrapper {
  width: 100%;
  max-width: 800px;
  position: relative;
}

.saas-chat-form {
  background: #ffffff;
  border: 1px solid var(--saas-border);
  border-radius: 16px;
  padding: 8px 12px;
  display: flex;
  align-items: flex-end;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.saas-chat-form:focus-within {
  border-color: var(--saas-primary);
  box-shadow: 0 4px 20px rgba(255, 93, 45, 0.1);
}

.saas-chat-form textarea {
  flex: 1;
  border: none;
  background: none;
  resize: none;
  padding: 8px;
  font-family: inherit;
  font-size: 1rem;
  color: var(--saas-text);
  max-height: 200px;
  outline: none;
}

.saas-chat-form textarea::placeholder {
  color: #9ca3af;
}

.saas-send-btn {
  background: var(--saas-primary);
  color: white;
  border: none;
  border-radius: 10px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
  margin-bottom: 4px;
  flex-shrink: 0;
}

.saas-send-btn:hover:not(:disabled) {
  background: var(--saas-primary-hover);
}

.saas-send-btn:active:not(:disabled) {
  transform: scale(0.95);
}

.saas-send-btn:disabled {
  background: #e5e7eb;
  cursor: not-allowed;
}

.saas-input-footer {
  margin-top: 12px;
  font-size: 0.75rem;
  color: var(--saas-muted);
  text-align: center;
}

.saas-status-toast {
  position: absolute;
  top: -40px;
  left: 50%;
  transform: translateX(-50%);
  background: #111827;
  color: white;
  padding: 6px 12px;
  border-radius: 99px;
  font-size: 0.8rem;
  z-index: 10;
}

/* Chat Message Overrides */
.chat-message.assistant {
  background: none;
  border: none;
  padding-left: 48px;
  position: relative;
}

.chat-message.assistant::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background-color: var(--saas-primary);
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="white" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M12 2v20M17 5H9.5a3.5 3.5 0 0 0 0 7h5a3.5 3.5 0 0 1 0 7H6"/></svg>');
  background-size: 20px;
  background-position: center;
  background-repeat: no-repeat;
}

.chat-message.user {
  background: #f3f4f6;
  border-radius: 16px;
  padding: 16px;
  margin-left: auto;
  max-width: 85%;
}

.chat-message.user .chat-message-label {
  display: none;
}

/* Responsive */
@media (max-width: 768px) {
  .saas-sidebar {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    transform: translateX(-100%);
  }

  .saas-sidebar.open {
    transform: translateX(0);
    box-shadow: 4px 0 24px rgba(0,0,0,0.1);
  }

  .saas-sidebar-close {
    display: block;
  }

  .saas-menu-toggle {
    display: block;
  }
}