/* =========================================================================
   Koyne — base.css
   Resets, utility primitives, and components used across every page:
   buttons, cards, money, chips, icon tiles, the logo, modals, flash messages,
   placeholder screens, and small utility classes.
   Builds on colors_and_type.css. Every value resolves to a token there.
   ========================================================================= */

* { box-sizing: border-box; }
body { margin: 0; }
button { font-family: inherit; }
a { color: inherit; }

/* ---------------- Icon ---------------- */
.k-icon { width: 1em; height: 1em; flex-shrink: 0; }
.k-icon--lg { width: 1.4em; height: 1.4em; }
.k-icon--sm { width: 0.85em; height: 0.85em; }

/* ---------------- Buttons ---------------- */
.k-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 18px; border-radius: 12px;
  font-family: var(--font-sans); font-weight: 600; font-size: 14px;
  border: 1.5px solid transparent; cursor: pointer;
  transition: background var(--dur-base) var(--ease-out),
              color var(--dur-base) var(--ease-out),
              transform 120ms var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out);
  text-decoration: none; line-height: 1;
}
.k-btn:active { transform: scale(0.98); }
.k-btn:focus-visible { outline: none; box-shadow: var(--focus-ring); }

.k-btn--primary { background: var(--accent); color: var(--fg-on-accent); }
.k-btn--primary:hover { background: var(--accent-hover); }
.k-btn--secondary { background: transparent; color: var(--accent); border-color: var(--accent); }
.k-btn--secondary:hover { background: var(--accent-soft); }
.k-btn--ghost { background: transparent; color: var(--fg-2); }
.k-btn--ghost:hover { background: var(--surface-2); color: var(--fg); }
.k-btn--soft { background: var(--accent-soft); color: var(--accent); }
.k-btn--soft:hover { background: var(--koyne-lavender-300); color: var(--koyne-lavender-900); }
.k-btn--block { width: 100%; justify-content: center; padding: 13px 18px; }

/* ---------------- Cards ---------------- */
.k-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 6px 16px -8px rgba(30, 27, 75, 0.06);
}
[data-theme="dark"] .k-card { box-shadow: none; }
.k-card--flush { padding: 0; overflow: hidden; }
.k-card--lg { border-radius: var(--radius-lg); }
.k-card-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
}
.k-card-title { margin: 0; font-size: 15px; font-weight: 600; color: var(--fg); }
.k-card-link {
  font-size: 13px; color: var(--accent); font-weight: 600; cursor: pointer;
  text-decoration: none;
}
.k-card-link:hover { text-decoration: underline; }

/* ---------------- Money ---------------- */
.k-money {
  font-family: var(--font-numeric);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1, "lnum" 1;
  letter-spacing: -0.01em; font-weight: 600; color: var(--fg);
}
.k-money--sm { font-size: 14px; }
.k-money--md { font-size: 18px; }
.k-money--lg { font-size: 28px; }
.k-money--xl { font-size: 48px; font-weight: 700; letter-spacing: var(--tracking-tight); }
.k-money--accent { color: var(--accent); }
.k-money--funded { color: var(--funded); }
.k-money--underfunded { color: var(--underfunded); }
.k-money--muted { color: var(--fg-2); }

/* ---------------- Chips ---------------- */
.k-chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 11px; border-radius: var(--radius-pill);
  font-size: 12px; font-weight: 600; letter-spacing: 0.02em;
}
.k-chip__dot { width: 6px; height: 6px; border-radius: 999px; flex-shrink: 0; }
.k-chip--funded      { background: #DCFCE7; color: #166534; }
.k-chip--funded .k-chip__dot { background: #16A34A; }
.k-chip--available   { background: var(--accent-soft); color: var(--koyne-lavender-900); }
.k-chip--available .k-chip__dot { background: var(--accent); }
.k-chip--underfunded { background: #FFE4E6; color: #9F1239; }
.k-chip--underfunded .k-chip__dot { background: var(--underfunded); }
.k-chip--warning     { background: #FEF3C7; color: #92400E; }
.k-chip--warning .k-chip__dot { background: var(--warning); }
.k-chip--neutral     { background: #F1F5F9; color: var(--koyne-slate); }
.k-chip--neutral .k-chip__dot { background: #64748B; }
[data-theme="dark"] .k-chip--funded      { background: rgba(22,163,74,0.18); color: #86EFAC; }
[data-theme="dark"] .k-chip--available   { background: rgba(139,92,246,0.20); color: #C4B5FD; }
[data-theme="dark"] .k-chip--underfunded { background: rgba(225,29,72,0.18); color: #FDA4AF; }
[data-theme="dark"] .k-chip--warning     { background: rgba(217,119,6,0.18); color: #FCD34D; }
[data-theme="dark"] .k-chip--neutral     { background: rgba(148,163,184,0.18); color: #CBD5E1; }

/* ---------------- Icon tile ---------------- */
.k-icon-tile {
  width: 40px; height: 40px; border-radius: var(--radius-sm);
  background: var(--accent-soft); color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.k-icon-tile--sm { width: 32px; height: 32px; }
.k-icon-tile--md { width: 36px; height: 36px; }

/* ---------------- Logo ---------------- */
.k-logo { display: inline-flex; align-items: center; gap: 10px; }
.k-logo__mark { display: block; }
.k-logo__word {
  font-size: 26px; font-weight: 700; letter-spacing: -0.04em;
  color: var(--koyne-indigo-950); font-family: var(--font-sans);
}
[data-theme="dark"] .k-logo__word { color: #FFF; }

/* ---------------- Modal ---------------- */
.k-modal {
  position: fixed; inset: 0;
  background: rgba(15, 23, 42, 0.55);
  display: flex; align-items: center; justify-content: center;
  z-index: 100;
}
.k-modal[hidden] { display: none; }
.k-modal__panel {
  background: var(--surface); border-radius: var(--radius-lg); padding: 28px;
  width: 520px; max-width: calc(100% - 40px);
  box-shadow: 0 24px 60px -16px rgba(76,29,149,0.32);
}
.k-modal__step {
  font-size: 11px; font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--accent);
}
.k-modal__title {
  margin: 8px 0 6px; font-size: 24px; font-weight: 700;
  letter-spacing: -0.02em; color: var(--fg);
}
.k-modal__body { font-size: 14px; color: var(--fg-2); line-height: 1.5; }
.k-modal__drop {
  margin-top: 18px; padding: 28px;
  border: 1.5px dashed var(--accent); border-radius: 16px;
  background: var(--accent-soft); text-align: center;
}
.k-modal__drop input[type="file"] { display: block; margin: 12px auto 0; }
.k-modal__icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: var(--surface);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--accent);
}
.k-modal__actions {
  display: flex; justify-content: flex-end; gap: 10px; margin-top: 22px;
}
.k-modal__hint {
  display: flex; gap: 8px; margin-top: 18px;
  font-size: 13px; color: var(--fg-2);
}

/* ---------------- Flash messages ---------------- */
.k-flash-stack {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; gap: 8px; z-index: 200;
}
.k-flash {
  padding: 12px 18px; border-radius: 12px; box-shadow: var(--shadow-md);
  background: var(--surface); border: 1px solid var(--border);
  font-size: 14px; color: var(--fg);
  transition: opacity var(--dur-base) var(--ease-out);
}
.k-flash--success { border-color: #BBF7D0; }
.k-flash--error   { border-color: #FECDD3; color: var(--underfunded); }

/* ---------------- Placeholder screens ---------------- */
.k-placeholder { padding: 80px; text-align: center; color: var(--fg-3); }
.k-placeholder svg { color: var(--accent); opacity: 0.6; }
.k-placeholder h2 { margin-top: 12px; color: var(--fg); }

/* ---------------- Utility classes ---------------- */
.k-stack { display: flex; flex-direction: column; gap: 20px; }
.k-row-flex { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.k-spacer { flex: 1; }
.k-mt-2 { margin-top: 8px; }
.k-mt-4 { margin-top: 16px; }
.k-mt-6 { margin-top: 24px; }
.k-mb-2 { margin-bottom: 8px; }
.k-eyebrow {
  font-size: 12px; font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--accent);
}