/* css/style.css */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  overflow-x: hidden;
  width: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Headings */
h1, h2, h3, h4 {
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

/* Buttons */
button, .btn-primary, .btn-secondary, .btn-danger {
  font-family: var(--font-family);
  font-size: 17px;
  font-weight: 800;
  height: 48px;
  min-height: 48px;
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff !important;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.25);
  transition: all 0.2s ease;
}

html.dark .btn-primary, body.dark .btn-primary {
  background-color: var(--color-primary);
  color: #ffffff !important;
  box-shadow: 0 4px 16px rgba(47, 129, 247, 0.35);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  color: #ffffff !important;
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--stat-box-bg);
  color: var(--text-main);
  border: 1px solid var(--stat-box-border);
}

.btn-secondary:hover {
  filter: brightness(1.1);
}

.btn-danger {
  background-color: rgba(239, 68, 68, 0.15);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
  background-color: #ef4444;
  color: #ffffff;
}

.btn-circle {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 50%;
  font-size: 20px;
  font-weight: 800;
  background-color: var(--color-primary);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.icon-btn {
  background: transparent;
  padding: 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--card-border);
  color: var(--text-muted);
}

.icon-btn:hover {
  color: var(--text-main);
  background-color: var(--stat-box-bg);
}

/* Forms */
input, select, textarea {
  font-family: var(--font-family);
  font-size: 17px;
  font-weight: 600;
  padding: 12px 18px;
  height: 52px;
  background-color: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--radius-sm);
  color: var(--input-text);
  width: 100%;
  outline: none;
  transition: border-color 0.2s ease;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--color-primary);
}

/* User Avatar Header Element */
.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-primary);
}

/* Utility */
.hidden {
  display: none !important;
}

.flex-align {
  display: flex;
  align-items: center;
  gap: 12px;
}

.text-blue { color: #2563eb; }
.text-emerald { color: #10b981; }
.text-amber { color: #f59e0b; }
.text-indigo { color: #6366f1; }
.text-purple { color: #a855f7; }

.badge {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 20px;
  background: rgba(37, 99, 235, 0.12);
  color: #2563eb;
  border: 1px solid rgba(37, 99, 235, 0.25);
}

.svg-icon, .icon-img {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  object-fit: contain;
}

/* Favicon Branding Image */
.brand-favicon {
  width: 28px;
  height: 28px;
  object-fit: contain;
  border-radius: 6px;
}

/* Thin Scrollbar Styling */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--card-border);
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}
* {
  scrollbar-width: thin;
  scrollbar-color: var(--card-border) transparent;
}

/* Markdown Support Styling */
.markdown-output p { margin-bottom: 6px; }
.markdown-output strong { font-weight: 700; color: var(--text-main); }
.markdown-output code { font-family: var(--font-code); background: var(--stat-box-bg); padding: 2px 6px; border-radius: 4px; font-size: 13px; color: var(--color-primary); }
.markdown-output pre { background: var(--stat-box-bg); padding: 10px; border-radius: 6px; overflow-x: auto; margin: 8px 0; border: 1px solid var(--stat-box-border); }
.markdown-output ul { padding-left: 20px; margin: 6px 0; }