/* ============================================================
   ARX — Base Styles
   Resets, global typography, utility classes.
   ============================================================ */

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

html {
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background: var(--color-bg-page);
  color: var(--color-text-primary);
  line-height: 1.6;
  min-height: 100vh;
  transition: background var(--transition-slow), color var(--transition-slow);
}

/* ---- Typography ---- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 500;
  line-height: 1.2;
  color: var(--color-text-primary);
  letter-spacing: 0.02em;
}

h1 { font-size: 1.75rem; font-weight: 600; color: var(--color-text-primary); letter-spacing: 0.06em; text-transform: uppercase; }
h2 { font-size: 1.45rem; font-weight: 500; }
h3 { font-size: 1.2rem; font-weight: 500; }
h4 { font-size: 1.05rem; font-weight: 500; }

p { color: var(--color-text-primary); }

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover { color: var(--color-accent-hover); }

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--color-border-strong); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-text-muted); }

/* ---- Form Elements ---- */
input, textarea, select {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--color-text-primary);
  background: var(--color-bg-input);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 9px 12px;
  width: 100%;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input:focus, textarea:focus, select:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-light);
}

input::placeholder, textarea::placeholder {
  color: var(--color-text-muted);
}

label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: 5px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: background var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
}

.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--color-accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  box-shadow: 0 4px 12px rgba(60, 183, 138, 0.30);
  color: #fff;
}

.btn-secondary {
  background: var(--color-bg-card);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover {
  background: var(--color-bg-hover);
  border-color: var(--color-border-strong);
}

.btn-danger {
  background: var(--color-danger);
  color: #fff;
}
.btn-danger:hover {
  background: #cc5252;
  color: #fff;
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  padding: 7px 12px;
}
.btn-ghost:hover {
  background: var(--color-bg-hover);
  color: var(--color-text-primary);
}

.btn-sm {
  font-size: 0.8rem;
  padding: 6px 12px;
}

.btn-icon {
  padding: 8px;
  border-radius: var(--radius-sm);
}

/* ---- Card ---- */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--card-padding);
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition-base);
}

.card:hover { box-shadow: var(--shadow-card-hover); }

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}

.card-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-primary);
}

/* ---- Badge ---- */
.badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 100px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.badge-accent  { background: var(--color-accent-light);    color: var(--color-accent); }
.badge-gold    { background: var(--color-highlight-light); color: var(--color-highlight); }
.badge-success { background: rgba(60,183,138,0.12);        color: #2a9e74; }
.badge-danger  { background: rgba(224,92,92,0.12);         color: var(--color-danger); }
.badge-muted   { background: var(--color-bg-hover);        color: var(--color-text-secondary); }

/* ---- Checkbox ---- */
.arx-checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
}

.arx-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  min-width: 18px;
  border-radius: 4px;
  border: 2px solid var(--color-border-strong);
  background: var(--color-bg-input);
  cursor: pointer;
  accent-color: var(--color-accent);
  transition: border-color var(--transition-fast);
}

.arx-checkbox input[type="checkbox"]:checked {
  border-color: var(--color-accent);
}

.arx-checkbox span {
  font-size: 0.9rem;
  color: var(--color-text-primary);
  transition: color var(--transition-fast);
}

.arx-checkbox.completed span {
  color: var(--color-text-muted);
  text-decoration: line-through;
}

/* ---- Divider ---- */
.divider {
  height: 1px;
  background: var(--color-border);
  margin: 16px 0;
}

/* ---- Form Group ---- */
.form-group { margin-bottom: 16px; }
.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
}

/* ---- Modal ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-bg-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
  backdrop-filter: blur(3px);
}

.modal {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  width: 100%;
  max-width: 520px;
  box-shadow: var(--shadow-modal);
  animation: modalIn 0.2s ease;
}

@keyframes modalIn {
  from { opacity: 0; transform: translateY(12px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

/* ---- Alert ---- */
.alert {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  border: 1px solid transparent;
}

.alert-danger  { background: rgba(224,92,92,0.10);   border-color: rgba(224,92,92,0.25);   color: var(--color-danger); }
.alert-warning { background: var(--color-highlight-light); border-color: rgba(232,184,75,0.3); color: #b8882a; }
.alert-success { background: var(--color-accent-light); border-color: rgba(60,183,138,0.3); color: var(--color-accent); }

/* ---- Utilities ---- */
.text-accent    { color: var(--color-accent); }
.text-highlight { color: var(--color-highlight); }
.text-muted     { color: var(--color-text-muted); }
.text-secondary { color: var(--color-text-secondary); }
.text-danger    { color: var(--color-danger); }
.text-sm        { font-size: 0.82rem; }
.text-xs        { font-size: 0.75rem; }
.text-heading   { font-family: var(--font-heading); letter-spacing: 0.05em; }
.text-upper     { text-transform: uppercase; letter-spacing: 0.06em; }

.d-flex         { display: flex; }
.align-center   { align-items: center; }
.justify-between{ justify-content: space-between; }
.gap-8          { gap: 8px; }
.gap-12         { gap: 12px; }
.gap-16         { gap: 16px; }
.flex-1         { flex: 1; }

.mt-8  { margin-top: 8px; }
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-8  { margin-bottom: 8px; }
.mb-12 { margin-bottom: 12px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }

.w-full  { width: 100%; }
.hidden  { display: none !important; }

/* ---- Loading Spinner ---- */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ---- Page Transition ---- */
.page-content {
  animation: pageIn 0.18s ease;
}

@keyframes pageIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---- Global Heading Font ---- */
/* Single source of truth: change --font-heading in variables.css only */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
}

/* ---- Mobile: hide topbar subtitle ---- */
@media (max-width: 900px) {
  .topbar-page-subtitle,
  .topbar-middot {
    display: none !important;
  }

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