/* style.css — สไตล์หน้าเว็บ "ที่ปรึกษาการลงทุนส่วนตัว"
   ออกแบบตาม dataviz skill: ใช้ validated reference palette (categorical/status/chrome)
   เป็น CSS custom properties รองรับ light + dark mode (prefers-color-scheme) */

:root {
  /* chart chrome & ink */
  --surface-page: #f9f9f7;
  --surface-card: #fcfcfb;
  --surface-sunken: #f0efec;
  --text-primary: #0b0b0b;
  --text-secondary: #52514e;
  --text-muted: #898781;
  --border-hairline: rgba(11, 11, 11, 0.1);
  --gridline: #e1e0d9;

  /* categorical slot 1 = accent */
  --accent: #2a78d6;
  --accent-hover: #1c5cab;
  --accent-ink-on: #ffffff;
  --accent-tint: #eaf1fb;

  /* status palette (fixed — never themed) */
  --status-good: #0ca30c;
  --status-warning: #fab219;
  --status-warning-tint: #fef3c7;
  --status-warning-border: #fde68a;
  --status-warning-ink: #7a4a00;
  --status-serious: #ec835a;
  --status-critical: #d03b3b;

  /* delta text (gain / loss) */
  --delta-good: #006300;
  --delta-bad: #d03b3b;

  --radius-card: 12px;
  --radius-control: 8px;
  --shadow-card: 0 1px 2px rgba(11, 11, 11, 0.04), 0 4px 12px rgba(11, 11, 11, 0.05);
}

@media (prefers-color-scheme: dark) {
  :root {
    --surface-page: #0d0d0d;
    --surface-card: #1a1a19;
    --surface-sunken: #232322;
    --text-primary: #ffffff;
    --text-secondary: #c3c2b7;
    --text-muted: #898781;
    --border-hairline: rgba(255, 255, 255, 0.1);
    --gridline: #2c2c2a;

    --accent: #3987e5;
    --accent-hover: #5598e7;
    --accent-ink-on: #ffffff;
    --accent-tint: #16273c;

    --status-good: #0ca30c;
    --status-warning: #fab219;
    --status-warning-tint: #3a2e0d;
    --status-warning-border: #5c4813;
    --status-warning-ink: #f5c451;
    --status-serious: #ec835a;
    --status-critical: #e66767;

    --delta-good: #0ca30c;
    --delta-bad: #e66767;

    --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.3), 0 4px 16px rgba(0, 0, 0, 0.35);
  }
}

* {
  box-sizing: border-box;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  margin: 0;
  padding: 0 1rem 3rem;
  background: var(--surface-page);
  color: var(--text-primary);
  transition: background 0.15s ease, color 0.15s ease;
}

/* ---------- Header ---------- */
.app-header {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.75rem 0 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.app-header .app-icon {
  width: 40px;
  height: 40px;
  flex: none;
  border-radius: 10px;
  background: var(--accent);
  color: var(--accent-ink-on);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.app-header h1 {
  font-size: 1.4rem;
  margin: 0;
  letter-spacing: -0.01em;
}

.app-subtitle {
  margin: 0.15rem 0 0;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

main {
  max-width: 960px;
  margin: 0 auto;
}

/* ---------- แถบแท็บนำทาง (segmented control) ---------- */
.tabs {
  max-width: 960px;
  margin: 0 auto 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  background: var(--surface-sunken);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-card);
  padding: 0.35rem;
}

.tab-button {
  border: none;
  background: transparent;
  padding: 0.55rem 1rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: background 0.12s ease, color 0.12s ease;
  flex: 1 1 auto;
}

.tab-button:hover {
  background: var(--border-hairline);
  color: var(--text-primary);
}

.tab-button.active {
  background: var(--accent);
  color: var(--accent-ink-on);
  box-shadow: var(--shadow-card);
}

/* ---------- Card panels ---------- */
.tab-panel {
  display: none;
  background: var(--surface-card);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-card);
  padding: 1.75rem;
  box-shadow: var(--shadow-card);
}

.tab-panel.active {
  display: block;
}

.tab-panel h2 {
  font-size: 1.15rem;
  margin: 0 0 1.1rem;
  letter-spacing: -0.005em;
}

.tab-panel h2:not(:first-child) {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--gridline);
}

.tab-panel h3 {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  margin: 1.75rem 0 0.75rem;
}

.tab-panel h3:first-of-type {
  margin-top: 0.25rem;
}

/* ---------- ฟอร์ม: grid ที่ยืดหดตามความกว้างจอ ---------- */
form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.1rem 1.5rem;
  max-width: 720px;
}

form > button,
form > p,
form > div {
  grid-column: 1 / -1;
}

label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
}

input,
select {
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--border-hairline);
  background: var(--surface-card);
  color: var(--text-primary);
  border-radius: var(--radius-control);
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color 0.12s ease, box-shadow 0.12s ease;
}

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

input:focus,
select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-tint);
}

/* ---------- ปุ่ม ---------- */
button {
  align-self: flex-start;
  background: var(--accent);
  color: var(--accent-ink-on);
  border: none;
  padding: 0.6rem 1.3rem;
  border-radius: var(--radius-control);
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.12s ease, transform 0.05s ease;
}

button:hover:not(:disabled) {
  background: var(--accent-hover);
}

button:active:not(:disabled) {
  transform: translateY(1px);
}

button:disabled {
  background: var(--surface-sunken);
  color: var(--text-muted);
  cursor: not-allowed;
}

button.secondary {
  background: var(--surface-sunken);
  color: var(--text-primary);
  border: 1px solid var(--border-hairline);
}

button.secondary:hover:not(:disabled) {
  background: var(--border-hairline);
}

button.danger {
  background: var(--status-critical);
}

button.danger:hover:not(:disabled) {
  background: #b32e2e;
}

/* ปุ่มที่อยู่คู่กันในฟอร์ม (เช่น เพิ่มรายการ / ยกเลิกการแก้ไข) */
form > div {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

/* ---------- ข้อความ / สถานะ ---------- */
.computed-field {
  display: inline-block;
  font-size: 0.9rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
  background: var(--accent-tint);
  padding: 0.55rem 0.9rem;
  border-radius: var(--radius-control);
}

.computed-field:empty {
  display: none;
}

.form-error {
  color: var(--status-critical);
  font-size: 0.85rem;
  min-height: 1.2em;
  font-weight: 500;
}

.form-error:empty {
  display: none;
}

/* คำเตือน (ไม่ block การทำงาน) — ใช้ status warning ตาม dataviz skill (สีเตือนต้องมาคู่กับ icon/ข้อความเสมอ) */
.form-warning {
  color: var(--status-warning-ink);
  background: var(--status-warning-tint);
  border: 1px solid var(--status-warning-border);
  border-radius: var(--radius-control);
  padding: 0.65rem 0.9rem;
  font-size: 0.87rem;
  line-height: 1.5;
}

.hint {
  color: var(--text-secondary);
  font-size: 0.87rem;
  margin: -0.4rem 0 1.1rem;
}

/* ---------- ตาราง ---------- */
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0.5rem;
  font-size: 0.88rem;
}

th {
  text-align: left;
  padding: 0.55rem 0.6rem;
  color: var(--text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
  border-bottom: 1px solid var(--gridline);
}

td {
  text-align: left;
  padding: 0.6rem;
  border-bottom: 1px solid var(--gridline);
  font-variant-numeric: tabular-nums;
}

tbody tr:hover {
  background: var(--surface-sunken);
}

.warning-text {
  color: var(--status-warning-ink);
}

.gain {
  color: var(--delta-good);
  font-weight: 600;
}

.loss {
  color: var(--delta-bad);
  font-weight: 600;
}

/* ---------- Risk Questionnaire ---------- */
.risk-question {
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--gridline);
}

.risk-question p {
  margin: 0 0 0.5rem;
  font-size: 0.92rem;
}

.risk-scale {
  display: flex;
  gap: 1.1rem;
  flex-wrap: wrap;
}

.risk-scale-option {
  flex-direction: row;
  align-items: center;
  gap: 0.3rem;
  font-weight: 400;
  color: var(--text-primary);
}

/* ---------- Dashboard: สัญญาณ ---------- */
.signal-card {
  border: 1px solid var(--status-warning-border);
  background: var(--status-warning-tint);
  color: var(--status-warning-ink);
  border-radius: var(--radius-control);
  padding: 0.75rem 1rem;
  margin-bottom: 0.6rem;
  font-size: 0.9rem;
  font-weight: 500;
}

.signal-card::before {
  content: "⚠ ";
}

.no-signal-message {
  color: var(--status-good);
  font-weight: 600;
  background: var(--surface-sunken);
  border-radius: var(--radius-control);
  padding: 0.7rem 1rem;
  margin: 0;
}

.no-signal-message::before {
  content: "✓ ";
}

/* ---------- Dashboard: สัดส่วนสินทรัพย์ ---------- */
.allocation-row {
  margin-bottom: 1.1rem;
}

.allocation-row .allocation-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.35rem;
  font-variant-numeric: tabular-nums;
}

.allocation-bar-track {
  position: relative;
  background: var(--surface-sunken);
  border-radius: 6px;
  height: 18px;
  overflow: visible;
}

.allocation-bar-current {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background: var(--accent);
  border-radius: 6px;
  transition: width 0.25s ease;
}

.allocation-bar-target-marker {
  position: absolute;
  top: -3px;
  height: calc(100% + 6px);
  width: 3px;
  border-radius: 2px;
  background: var(--status-critical);
}

/* ---------- Dashboard: เป้าหมาย ---------- */
.goal-status-card {
  border: 1px solid var(--border-hairline);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-control);
  background: var(--surface-card);
  padding: 0.7rem 1rem;
  margin-bottom: 0.6rem;
  font-size: 0.9rem;
}