/* AI Cura Design System — Base CSS */

/* ── Variables ── */
:root {
  --color-primary:       #0F6E56;
  --color-primary-hover: #0a5442;
  --color-primary-light: #E1F5EE;
  --color-secondary:     #1D9E75;
  --color-accent-blue:   #185FA5;
  --color-accent-blush:  #F4C0D1;
  --color-navy:          #0F1923;

  --color-bg:            #ffffff;
  --color-bg-surface:    #F5F5F3;
  --color-bg-muted:      #F0F0EE;
  --color-border:        rgba(0,0,0,0.10);
  --color-border-strong: rgba(0,0,0,0.20);

  --color-text:          #0F1923;
  --color-text-muted:    #6B7280;
  --color-text-hint:     #9CA3AF;

  --color-success-bg:    #E1F5EE;
  --color-success-text:  #0F6E56;
  --color-info-bg:       #E6F1FB;
  --color-info-text:     #185FA5;
  --color-warning-bg:    #FAEEDA;
  --color-warning-text:  #BA7517;
  --color-danger-bg:     #FCEBEB;
  --color-danger-text:   #A32D2D;

  --radius-sm:   6px;
  --radius-md:   8px;
  --radius-lg:   12px;
  --radius-xl:   16px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.07);
  --shadow-md: 0 2px 8px rgba(0,0,0,0.08);

  --font-sans: 'Pretendard', 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
body {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

/* ── Typography ── */
h1 { font-size: 28px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.25; }
h2 { font-size: 22px; font-weight: 700; letter-spacing: -0.01em; line-height: 1.3; }
h3 { font-size: 18px; font-weight: 600; line-height: 1.4; }
h4 { font-size: 15px; font-weight: 600; }
p  { font-size: 15px; line-height: 1.7; color: var(--color-text-muted); }
.text-muted  { color: var(--color-text-muted); }
.text-hint   { color: var(--color-text-hint); }
.text-primary { color: var(--color-primary); }
.text-sm { font-size: 13px; }
.text-xs { font-size: 11px; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  font-family: var(--font-sans);
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 0.15s, border-color 0.15s, opacity 0.15s, transform 0.1s;
  text-decoration: none;
  white-space: nowrap;
  line-height: 1;
}
.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.btn-primary:hover { background: var(--color-primary-hover); border-color: var(--color-primary-hover); }

.btn-secondary {
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-color: var(--color-primary-light);
}
.btn-secondary:hover { background: #c5ead9; border-color: #c5ead9; }

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-outline:hover { background: var(--color-primary-light); }

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border-color: var(--color-border);
}
.btn-ghost:hover { background: var(--color-bg-muted); color: var(--color-text); }

.btn-danger {
  background: var(--color-danger-bg);
  color: var(--color-danger-text);
  border-color: var(--color-danger-bg);
}
.btn-danger:hover { background: #f5c1c1; }

.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-lg { padding: 12px 24px; font-size: 16px; }
.btn-icon { padding: 9px; }
.btn-block { width: 100%; justify-content: center; }

/* ── Badges ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
}
.badge-success { background: var(--color-success-bg); color: var(--color-success-text); }
.badge-info    { background: var(--color-info-bg);    color: var(--color-info-text); }
.badge-warning { background: var(--color-warning-bg); color: var(--color-warning-text); }
.badge-danger  { background: var(--color-danger-bg);  color: var(--color-danger-text); }
.badge-neutral { background: var(--color-bg-muted);   color: var(--color-text-muted); }
.badge-dot::before {
  content: '';
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
}

/* ── Form Elements ── */
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text);
}
.form-label .required { color: var(--color-danger-text); margin-left: 2px; }
.form-hint { font-size: 12px; color: var(--color-text-hint); }

.input, .select, .textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color 0.15s, box-shadow 0.15s;
  outline: none;
  appearance: none;
}
.input:hover, .select:hover, .textarea:hover { border-color: var(--color-border-strong); }
.input:focus, .select:focus, .textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(15,110,86,0.12);
}
.input::placeholder, .textarea::placeholder { color: var(--color-text-hint); }
.input.error { border-color: var(--color-danger-text); }
.input.error:focus { box-shadow: 0 0 0 3px rgba(163,45,45,0.12); }
.form-error { font-size: 12px; color: var(--color-danger-text); }

.textarea { resize: vertical; min-height: 100px; line-height: 1.6; }
.select {
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%236B7280' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
  cursor: pointer;
}

.checkbox-group, .radio-group { display: flex; flex-direction: column; gap: 8px; }
.checkbox-item, .radio-item {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 14px;
}
.checkbox-item input[type="checkbox"],
.radio-item input[type="radio"] {
  width: 16px; height: 16px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

/* ── Cards ── */
.card {
  background: var(--color-bg);
  border: 0.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 0.5px solid var(--color-border);
}
.card-title { font-size: 15px; font-weight: 600; }
.card-footer {
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 0.5px solid var(--color-border);
}

.metric-card {
  background: var(--color-bg-surface);
  border-radius: var(--radius-md);
  padding: 1rem;
}
.metric-label { font-size: 12px; color: var(--color-text-muted); margin-bottom: 4px; }
.metric-value { font-size: 24px; font-weight: 700; color: var(--color-text); line-height: 1.2; }
.metric-delta { font-size: 12px; margin-top: 4px; }
.metric-delta.up   { color: var(--color-success-text); }
.metric-delta.down { color: var(--color-danger-text); }

/* ── Alerts ── */
.alert {
  display: flex;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 14px;
  border: 1px solid transparent;
}
.alert-icon { flex-shrink: 0; font-size: 16px; margin-top: 1px; }
.alert-body { flex: 1; }
.alert-title { font-weight: 600; margin-bottom: 2px; }
.alert-success { background: var(--color-success-bg); color: var(--color-success-text); border-color: rgba(15,110,86,0.2); }
.alert-info    { background: var(--color-info-bg);    color: var(--color-info-text);    border-color: rgba(24,95,165,0.2); }
.alert-warning { background: var(--color-warning-bg); color: var(--color-warning-text); border-color: rgba(186,117,23,0.2); }
.alert-danger  { background: var(--color-danger-bg);  color: var(--color-danger-text);  border-color: rgba(163,45,45,0.2); }

/* ── Table ── */
.table-wrap { overflow-x: auto; border-radius: var(--radius-lg); border: 0.5px solid var(--color-border); }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
thead tr { background: var(--color-bg-surface); }
th {
  padding: 10px 14px;
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  border-bottom: 0.5px solid var(--color-border);
}
td {
  padding: 11px 14px;
  border-bottom: 0.5px solid var(--color-border);
  color: var(--color-text);
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--color-bg-surface); }

/* ── Tabs ── */
.tabs { display: flex; gap: 0; border-bottom: 1px solid var(--color-border); margin-bottom: 1.5rem; }
.tab {
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 0.15s, border-color 0.15s;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
  font-family: var(--font-sans);
}
.tab:hover { color: var(--color-text); }
.tab.active { color: var(--color-primary); border-bottom-color: var(--color-primary); }

/* ── Avatar ── */
.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-weight: 600;
  font-size: 13px;
  color: var(--color-primary);
  background: var(--color-primary-light);
  flex-shrink: 0;
}
.avatar-sm { width: 28px; height: 28px; font-size: 11px; }
.avatar-md { width: 36px; height: 36px; font-size: 13px; }
.avatar-lg { width: 48px; height: 48px; font-size: 16px; }

/* ── Divider ── */
.divider { border: none; border-top: 0.5px solid var(--color-border); margin: 1.5rem 0; }

/* ── Utilities ── */
.flex         { display: flex; }
.flex-col     { display: flex; flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2  { gap: 8px; }
.gap-3  { gap: 12px; }
.gap-4  { gap: 16px; }
.gap-6  { gap: 24px; }
.mt-1   { margin-top: 4px; }
.mt-2   { margin-top: 8px; }
.mt-4   { margin-top: 16px; }
.mb-4   { margin-bottom: 16px; }
.w-full { width: 100%; }