/* Sheria Kiganjani - Global Styles */

:root {
  --bg: #0f172a; /* slate-900 */
  --bg-muted: #111827; /* gray-900 */
  --card: #111827; /* gray-900 */
  --card-2: #0b1220; /* darker */
  --text: #e5e7eb; /* gray-200 */
  --text-muted: #9ca3af; /* gray-400 */
  --primary: #0ea5e9; /* sky-500 */
  --primary-600: #0284c7; /* sky-600 */
  --accent: #22c55e; /* green-500 */
  --danger: #ef4444; /* red-500 */
  --border: #1f2937; /* gray-800 */
  --shadow: rgba(2, 8, 23, 0.6);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto,
    Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: radial-gradient(1200px 800px at 80% -10%, #0b1220, transparent),
    radial-gradient(800px 600px at 0% 0%, #0a1829, transparent), var(--bg);
  background-attachment: fixed;
}

/* Layout */
.container {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 24px;
  padding: 24px;
  max-width: 1200px;
  margin: 0 auto;
}

header {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.02),
    rgba(255, 255, 255, 0)
  );
  box-shadow: 0 10px 30px var(--shadow);
}

h1,
h2,
h3 {
  margin: 0;
  font-weight: 600;
}

/* Panels */
.conversation-list,
.chat-container {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.03),
    rgba(255, 255, 255, 0.01)
  );
  backdrop-filter: blur(6px);
  box-shadow: 0 10px 30px var(--shadow);
}

.conversation-list {
  padding: 16px;
  height: calc(100vh - 180px);
  overflow: auto;
}

#conversations-container {
  display: grid;
  gap: 12px;
}

.conversation-item {
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card);
}

.conversation-item h3 {
  margin: 0 0 6px;
  font-size: 15px;
}
.conversation-item p {
  margin: 0 0 4px;
  color: var(--text-muted);
  font-size: 13px;
}

.chat-container {
  display: grid;
  grid-template-rows: 1fr auto;
  min-height: calc(100vh - 180px);
}

#messages-container {
  padding: 16px;
  overflow: auto;
}

.message {
  margin: 10px 0;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
}

.user-message {
  background: rgba(14, 165, 233, 0.08);
}
.assistant-message {
  background: rgba(255, 255, 255, 0.03);
}

.message strong {
  color: #ffffff;
}
.message small {
  color: var(--text-muted);
  margin-left: 6px;
}

.message-input {
  display: flex;
  gap: 10px;
  padding: 12px;
  border-top: 1px solid var(--border);
  background: var(--card-2);
  border-bottom-left-radius: 14px;
  border-bottom-right-radius: 14px;
}

input[type="text"],
input[type="password"],
input[type="number"],
input[type="email"],
textarea {
  flex: 1;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #0b1220;
  color: var(--text);
  outline: none;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  cursor: pointer;
  transition: transform 0.05s ease, background 0.2s ease;
}
.btn:hover {
  transform: translateY(-1px);
}
.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: linear-gradient(180deg, var(--primary), var(--primary-600));
  border: none;
  color: white;
}

.btn-secondary {
  background: #0b1220;
}
.btn-danger {
  background: var(--danger);
  border: none;
  color: white;
}

/* Error banners */
.error-message {
  color: #fecaca;
  padding: 10px;
  margin: 10px 0;
  background: #7f1d1d;
  border: 1px solid #b91c1c;
  border-radius: 8px;
}

/* Auth (Login) */
.auth-wrapper {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.auth-card {
  width: 100%;
  max-width: 380px;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.03),
    rgba(255, 255, 255, 0.01)
  );
  box-shadow: 0 20px 60px var(--shadow);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.brand h1 {
  font-size: 20px;
  margin: 0;
}
.brand small {
  color: var(--text-muted);
}

.form-group {
  margin-bottom: 12px;
}
.form-group label {
  display: block;
  margin-bottom: 6px;
  color: var(--text-muted);
}

/* Utilities */
.stack {
  display: grid;
  gap: 10px;
}
.row {
  display: flex;
  gap: 10px;
  align-items: center;
}
.mt-1 {
  margin-top: 4px;
}
.mt-2 {
  margin-top: 8px;
}
.mt-3 {
  margin-top: 12px;
}
.mt-4 {
  margin-top: 16px;
}

/* Custom Scrollbar Styles */
.conversation-list::-webkit-scrollbar,
#messages-container::-webkit-scrollbar {
  width: 8px;
}

.conversation-list::-webkit-scrollbar-track,
#messages-container::-webkit-scrollbar-track {
  background: var(--card-2);
  border-radius: 4px;
}

.conversation-list::-webkit-scrollbar-thumb,
#messages-container::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
  transition: background 0.2s ease;
}

.conversation-list::-webkit-scrollbar-thumb:hover,
#messages-container::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Firefox scrollbar styles */
.conversation-list,
#messages-container {
  scrollbar-width: thin;
  scrollbar-color: var(--border) var(--card-2);
}

/* Responsive */
@media (max-width: 900px) {
  .container {
    grid-template-columns: 1fr;
  }
  .conversation-list {
    height: auto;
  }
}