/* =====================================================
   components.css — Shared UI Components
   Expense Tracker v0.2.0
   ===================================================== */

/* ─────────────────────────────────────────────
   BUTTONS
───────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 10px 18px; border-radius: var(--r-sm);
  font-size: 13px; font-weight: 700; border: none;
  cursor: pointer; transition: all var(--t-base);
  white-space: nowrap; line-height: 1;
}
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn:active:not(:disabled) { transform: scale(.97); }

.btn-primary   { background: var(--c-primary); color: #fff; }
.btn-primary:hover:not(:disabled)  { background: var(--c-primary-d); }

.btn-success   { background: var(--c-success); color: #fff; }
.btn-success:hover:not(:disabled)  { filter: brightness(1.1); }

.btn-danger    { background: transparent; color: var(--c-danger); border: 1.5px solid var(--c-danger); }
.btn-danger:hover:not(:disabled)   { background: var(--c-danger-l); }

.btn-ghost     { background: transparent; color: var(--c-text2); border: 1.5px solid var(--c-border); }
.btn-ghost:hover:not(:disabled)    { border-color: var(--c-primary); color: var(--c-primary); }

.btn-icon      { background: var(--c-surface2); color: var(--c-text2); border: 1.5px solid var(--c-border); padding: 8px; }
.btn-icon:hover{ border-color: var(--c-primary); color: var(--c-primary); }

.btn-full  { width: 100%; }
.btn-sm    { padding: 7px 13px; font-size: 12px; }
.btn-lg    { padding: 14px 24px; font-size: 15px; }
.btn-xl    { padding: 16px; font-size: 15px; }

/* ─────────────────────────────────────────────
   FORM FIELDS
───────────────────────────────────────────── */
.form-group { margin-bottom: 13px; }
.form-label {
  display: block; margin-bottom: 5px;
  font-size: 11px; font-weight: 700;
  color: var(--c-text2); letter-spacing: .4px; text-transform: uppercase;
}
.form-label span { color: var(--c-danger); }

.input-field {
  width: 100%;
  background: var(--c-surface2); border: 1.5px solid var(--c-border);
  border-radius: var(--r-sm); color: var(--c-text);
  font-size: 14px; padding: 10px 13px;
  outline: none; transition: all var(--t-base);
  -webkit-appearance: none;
}
.input-field:focus { border-color: var(--c-primary); background: #fff; box-shadow: 0 0 0 3px rgba(26,86,232,.08); }
.input-field::placeholder { color: var(--c-text3); }
textarea.input-field { resize: vertical; min-height: 68px; line-height: 1.5; }

.input-prefix-wrap { position: relative; }
.input-prefix { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--c-text3); font-size: 13px; pointer-events: none; }
.input-prefix + .input-field { padding-left: 30px; }
.input-suffix-wrap { position: relative; }
.input-suffix { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); color: var(--c-text2); font-size: 13px; pointer-events: none; }

.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-3); }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: var(--sp-3); }

/* ─────────────────────────────────────────────
   CHIPS (category selector)
───────────────────────────────────────────── */
.chip-group { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.chip {
  padding: 5px 12px; border-radius: var(--r-full);
  font-size: 12px; font-weight: 600; cursor: pointer;
  background: var(--c-surface2); border: 1.5px solid var(--c-border);
  color: var(--c-text2); transition: all var(--t-fast);
}
.chip:hover { border-color: var(--c-primary); color: var(--c-primary); }
.chip.selected { color: #fff; border-color: transparent; }

/* ─────────────────────────────────────────────
   CARDS
───────────────────────────────────────────── */
.card {
  background: var(--c-surface); border: 1px solid var(--c-border);
  border-radius: var(--r-lg); padding: var(--sp-5);
  box-shadow: var(--shadow-sm);
}
.card-sm { padding: var(--sp-4); border-radius: var(--r-md); }
.card-title { font-size: 13px; font-weight: 700; color: var(--c-text2); margin-bottom: var(--sp-4); display: flex; align-items: center; gap: 6px; }

/* ─────────────────────────────────────────────
   SUMMARY STATS BAR
───────────────────────────────────────────── */
.summary-bar {
  display: grid; grid-template-columns: repeat(3,1fr);
  gap: var(--sp-2); margin-bottom: var(--sp-3);
}
.summary-item {
  background: var(--c-surface); border: 1px solid var(--c-border);
  border-radius: var(--r-md); padding: 13px 10px;
  text-align: center; box-shadow: var(--shadow-sm);
}
.summary-num { font-size: 17px; font-weight: 800; font-family: var(--font-mono); }
.summary-lbl { font-size: 10px; color: var(--c-text3); margin-top: 3px; }

/* ─────────────────────────────────────────────
   MODAL / BOTTOM SHEET
───────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 300;
  background: rgba(0,0,0,.55); backdrop-filter: blur(3px);
  display: none; align-items: center; justify-content: center;
  padding: var(--sp-5);
}
.modal-overlay.open { display: flex; }

.modal-box {
  background: var(--c-surface); border-radius: var(--r-xl);
  padding: var(--sp-6); width: 100%; max-width: 400px;
  box-shadow: var(--shadow-xl);
  animation: scaleIn .25s cubic-bezier(.22,1,.36,1);
}
@keyframes scaleIn { from { opacity:0; transform:scale(.93); } to { opacity:1; transform:scale(1); } }

.bottom-sheet-overlay {
  position: fixed; inset: 0; z-index: 300;
  background: rgba(0,0,0,.5); backdrop-filter: blur(3px);
  display: none; align-items: flex-end; justify-content: center;
}
.bottom-sheet-overlay.open { display: flex; }

.bottom-sheet {
  background: var(--c-surface); border-radius: 24px 24px 0 0;
  padding: 0 var(--sp-5) 40px; width: 100%; max-width: var(--max-w);
  max-height: 90vh; overflow-y: auto;
  animation: slideUp .3s cubic-bezier(.22,1,.36,1);
  overscroll-behavior: contain; /* 시트 내 스크롤이 바디로 전파되지 않도록 */
}
@keyframes slideUp { from { transform: translateY(100%); } to { transform: translateY(0); } }

.sheet-handle { width: 40px; height: 4px; background: var(--c-border); border-radius: 2px; margin: 14px auto 20px; }

/* ─────────────────────────────────────────────
   TOAST
───────────────────────────────────────────── */
.toast {
  position: fixed; bottom: calc(var(--bottom-nav) + 12px);
  left: 50%; transform: translateX(-50%) translateY(16px);
  background: var(--c-text); color: #fff;
  border-radius: var(--r-full); padding: 10px 20px;
  font-size: 13px; font-weight: 500;
  opacity: 0; pointer-events: none;
  transition: all .28s cubic-bezier(.22,1,.36,1);
  z-index: 999; white-space: nowrap;
  box-shadow: var(--shadow-lg);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.success { background: var(--c-success); }
.toast.error   { background: var(--c-danger); }
.toast.warning { background: var(--c-warning); }

/* ─────────────────────────────────────────────
   DETAIL ROW (key-value)
───────────────────────────────────────────── */
.detail-rows { }
.detail-row {
  display: flex; justify-content: space-between; align-items: flex-start;
  padding: 10px 0; border-bottom: 1px solid var(--c-border);
  font-size: 14px; gap: 12px;
}
.detail-row:last-child { border-bottom: none; }
.detail-key { color: var(--c-text2); font-size: 12px; font-weight: 600; flex-shrink: 0; }
.detail-val { font-weight: 600; text-align: right; word-break: break-word; }

/* ─────────────────────────────────────────────
   FILTER CARD
───────────────────────────────────────────── */
.filter-card { margin-bottom: var(--sp-3); }
.filter-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-2); margin-bottom: var(--sp-2); }
.quick-btn-row { display: flex; gap: 6px; }
.quick-btn-row .btn { flex: 1; padding: 7px 4px; font-size: 11px; }

.search-wrap { position: relative; margin-bottom: var(--sp-2); }
.search-wrap .input-field { padding-left: 36px; }
.search-icon { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); font-size: 14px; color: var(--c-text3); pointer-events: none; }

/* ─────────────────────────────────────────────
   EXPENSE ITEM CARD
───────────────────────────────────────────── */
.expense-list { display: flex; flex-direction: column; gap: 10px; }

.expense-item {
  background: var(--c-surface); border: 1px solid var(--c-border);
  border-radius: var(--r-lg); padding: 15px 16px 13px 20px;
  cursor: pointer; transition: all var(--t-base);
  position: relative; overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.expense-item::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0;
  width: 4px; background: var(--c-primary);
  border-radius: 4px 0 0 4px;
}
.expense-item:active { transform: scale(.985); }

.exp-top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 7px; }
.exp-merchant { font-size: 15px; font-weight: 700; }
.exp-amount { font-family: var(--font-mono); font-size: 15px; font-weight: 700; color: var(--c-primary); }
.exp-meta { display: flex; gap: 6px; flex-wrap: wrap; }
.exp-tag { font-size: 11px; color: var(--c-text2); background: var(--c-surface2); border: 1px solid var(--c-border); padding: 2px 8px; border-radius: var(--r-full); }
.exp-memo { font-size: 12px; color: var(--c-text2); margin-top: 8px; padding-top: 8px; border-top: 1px solid var(--c-border); line-height: 1.4; }
.exp-image-thumb { margin-top: 8px; position: relative; display: inline-block; }
.exp-image-thumb img { width: 60px; height: 60px; object-fit: cover; border-radius: var(--r-sm); border: 1px solid var(--c-border); display: block; }
.img-zoom-btn {
  position: absolute; top: -6px; right: -6px;
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--c-primary); color: #fff;
  border: 2px solid #fff; font-size: 14px; font-weight: 900;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  line-height: 1; box-shadow: 0 2px 6px rgba(0,0,0,.25);
  transition: transform var(--t-fast);
}
.img-zoom-btn:active { transform: scale(.88); }

/* ─────────────────────────────────────────────
   DETAIL IMAGE (상세뷰 영수증 이미지)
───────────────────────────────────────────── */
.detail-img-wrap {
  position: relative; margin-bottom: 16px;
  cursor: pointer; border-radius: 12px; overflow: hidden;
  border: 1px solid var(--c-border); background: var(--c-surface2);
}
.detail-img-wrap .detail-img {
  width: 100%; max-height: 240px; object-fit: contain; display: block;
}
.detail-img-zoom-hint {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,.5));
  color: #fff; font-size: 11px; font-weight: 600;
  text-align: center; padding: 10px 0 6px;
}

/* ─────────────────────────────────────────────
   IMAGE VIEWER OVERLAY (전체화면 확대)
───────────────────────────────────────────── */
.img-viewer-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,.92); z-index: 9500;
  align-items: center; justify-content: center;
  padding: 20px;
}
.img-viewer-overlay.show { display: flex; animation: fadeIn .2s ease; }
.img-viewer-overlay img {
  max-width: 100%; max-height: 90vh;
  object-fit: contain; border-radius: var(--r-md);
  touch-action: pinch-zoom;
  user-select: none;
}
.img-viewer-close {
  position: absolute; top: 16px; right: 16px;
  width: 40px; height: 40px; border-radius: 50%;
  background: rgba(255,255,255,.15); border: none;
  color: #fff; font-size: 18px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--t-fast);
}
.img-viewer-close:active { background: rgba(255,255,255,.35); }

/* ─────────────────────────────────────────────
   TYPE BADGE (경비 유형)
───────────────────────────────────────────── */
.type-badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 8px; border-radius: var(--r-full);
  font-size: 10px; font-weight: 700;
}
.type-법인카드  { background: #EBEBEB; color: var(--c-primary); }
.type-교통비    { background: #E6F5EF; color: var(--c-success); }
.type-직원경비  { background: #FEF3C7; color: var(--c-warning); }