/* ============================================================
 * components.css — Buttons, modals, search, pickers, toast,
 *                  confirm dialog, empty state, form fields
 * My Travel History v2.0 — Modular CSS
 * ============================================================ */

/* ========== Form Fields ========== */
.fg{margin-bottom:6px}.fg label{display:block;font-size:15px;font-weight:600;color:var(--g600);margin-bottom:2px}
.fi{width:100%;min-height:44px;padding:10px 14px;border:1.5px solid var(--g200);border-radius:var(--r-lg);font-size:15px;
  color:var(--g800);background:#fff;transition:border-color .2s,box-shadow .2s}
.fi:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(37,99,235,.1)}
.fi::placeholder{color:var(--g400)}

/* ========== Common UI Components ========== */

/* Buttons */
.btn{min-height:38px;padding:8px 16px;border-radius:var(--r);font-size:15px;font-weight:600;
  transition:all .2s;display:inline-flex;align-items:center;justify-content:center;gap:8px;letter-spacing:-.01em}
.btn:active{transform:scale(0.97)}
.btn-p{background:var(--primary);color:#fff}.btn-p:hover{background:var(--primary-dark);box-shadow:0 4px 12px rgba(37,99,235,.25)}
.btn-s{background:var(--g100);color:var(--g700)}.btn-s:hover{background:var(--g200)}
.btn-d{background:var(--error);color:#fff}.btn-d:hover{background:#dc2626}
.btn-add{min-height:40px;padding:8px 18px;border-radius:var(--r-full);background:var(--primary);color:#fff;
  font-size:15px;font-weight:700;display:flex;align-items:center;gap:6px;transition:.2s;
  box-shadow:0 4px 16px rgba(37,99,235,.25)}
.btn-add:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 6px 24px rgba(37,99,235,.3)}
.btn-add:active{transform:scale(.97)}
.btn-dashed{width:100%;min-height:48px;border:2px dashed var(--g300);border-radius:var(--r-lg);color:var(--g500);
  font-size:14px;font-weight:500;display:flex;align-items:center;justify-content:center;gap:8px;transition:.2s}
.btn-dashed:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-bg)}
.btn-day-add{min-height:36px;font-size:12px;margin-top:6px;border-width:1.5px}
.nbtn{min-height:32px;min-width:32px;padding:6px 12px;border-radius:var(--r);font-size:12px;font-weight:500;
  color:var(--g600);border:1px solid var(--g200);transition:.2s;display:flex;align-items:center;justify-content:center}
.nbtn:hover{background:var(--g50);border-color:var(--g300)}

/* ========== Empty State ========== */
.empty{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;
  padding:48px 24px;gap:10px}
.empty-img{width:160px;height:auto;margin-bottom:8px;opacity:.8}
.empty-ic{font-size:56px;opacity:.7;animation:float 3s ease-in-out infinite}
.empty-t{font-family:var(--font-h);font-size:17px;font-weight:700;color:var(--g800);letter-spacing:-.02em}
.empty-s{font-size:14px;color:var(--g400);max-width:260px;line-height:1.7}
.empty-btn{margin-top:12px;padding:12px 28px;background:var(--primary);color:#fff;border:none;
  border-radius:var(--r-full);font-family:var(--font-h);font-size:14px;font-weight:700;cursor:pointer;
  transition:all .2s;box-shadow:0 4px 12px rgba(37,99,235,.2)}
.empty-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(37,99,235,.3)}
.empty-btn:active{transform:scale(.96)}

/* ========== Modal ========== */
.modal-ov{position:fixed;inset:0;z-index:500;background:rgba(28,25,23,.5);display:none;align-items:center;
  justify-content:center;padding:var(--sp-4);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);
  overscroll-behavior:contain}
.modal-ov.on{display:flex}
.modal{width:100%;max-width:480px;background:var(--white);border-radius:var(--r-2xl);box-shadow:var(--shadow-xl);
  max-height:min(85svh,85vh);overflow:hidden;animation:slideUpModal .3s var(--ease);overscroll-behavior:contain;
  display:flex;flex-direction:column}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;flex-shrink:0}
.modal-head h3{font-family:var(--font-h);font-size:18px;font-weight:700;letter-spacing:-.02em}
.modal-x{width:36px;height:36px;min-height:36px;border-radius:var(--r);
  display:flex;align-items:center;justify-content:center;font-size:16px;color:var(--g400);transition:.2s}
.modal-x:hover{background:var(--g100)}
.modal-bd{padding:4px 20px 8px;overflow-y:auto;flex:1;min-height:0;-webkit-overflow-scrolling:touch}
.modal-ft{padding:8px 20px;display:flex;justify-content:flex-end;gap:10px;flex-shrink:0}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:6px}

/* Bottom sheet handle (mobile) */
.modal-handle{display:none;width:36px;height:4px;border-radius:2px;background:var(--g300);margin:10px auto 0}

/* ========== Search ========== */
.srch-wrap{position:relative}
.srch-wrap .fi{padding-right:40px}
.srch-ic{position:absolute;right:14px;top:50%;transform:translateY(-50%);font-size:16px;color:var(--g400);pointer-events:none}
.srch-dd{position:absolute;top:100%;left:0;right:0;background:var(--white);border:1.5px solid var(--g200);border-top:none;
  border-radius:0 0 var(--r) var(--r);max-height:200px;overflow-y:auto;z-index:600;box-shadow:var(--shadow-lg);display:none}
.srch-dd.on{display:block}
.srch-item{padding:12px 14px;border-bottom:1px solid var(--g100);cursor:pointer;transition:.15s;min-height:48px;
  display:flex;flex-direction:column;justify-content:center}
.srch-item:last-child{border-bottom:none}.srch-item:hover{background:var(--primary-bg)}
.srch-item-name{font-size:14px;font-weight:500}.srch-item-addr{font-size:12px;color:var(--g500);margin-top:2px}
.srch-loading,.srch-empty{padding:16px;text-align:center;font-size:14px;color:var(--g400)}
.sel-loc{display:none;margin-top:8px;padding:10px 14px;background:var(--success-bg);border:1px solid #d1fae5;
  border-radius:var(--r);font-size:13px;color:var(--g700)}.sel-loc.on{display:block}

/* ========== Pickers ========== */
.bg-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:5px;
  padding:6px;background:var(--g50);border-radius:var(--r);
  border:1px solid var(--g200);margin-bottom:2px}
.bg-grid-i{aspect-ratio:2/1;display:flex;align-items:center;justify-content:center;
  font-size:20px;border-radius:8px;cursor:pointer;
  border:2px solid transparent;transition:.15s;
  background-size:cover;background-position:center;position:relative}
.bg-grid-i:hover{border-color:var(--g300);transform:scale(1.03)}
.bg-grid-i.on{border-color:var(--primary);box-shadow:0 0 0 2px var(--primary-bg)}
.icon-grid{display:grid;grid-template-columns:repeat(9,1fr);gap:4px;padding:8px;background:var(--g50);
  border-radius:var(--r);border:1px solid var(--g200);max-height:130px;overflow-y:auto}
.icon-grid-i{aspect-ratio:1;display:flex;align-items:center;justify-content:center;font-size:16px;
  border-radius:6px;cursor:pointer;border:1.5px solid transparent;transition:.15s;min-height:34px}
.icon-grid-i:hover{background:var(--white);border-color:var(--g300)}.icon-grid-i.on{background:var(--primary-bg);border-color:var(--primary)}
.color-grid{display:flex;gap:8px;flex-wrap:wrap}
.color-grid-i{width:30px;height:30px;border-radius:50%;cursor:pointer;border:2.5px solid transparent;transition:.15s}
.color-grid-i:hover{transform:scale(1.15)}.color-grid-i.on{border-color:var(--g800);box-shadow:0 0 0 2px #fff,0 0 0 4px var(--g400)}
.time-row{display:flex;align-items:center;gap:8px}.time-row .fi{text-align:center;flex:1}.time-sep{font-weight:700;color:var(--g500);font-size:16px}

/* ========== Toast ========== */
.toast-c{position:fixed;top:72px;right:16px;z-index:9000;display:flex;flex-direction:column;gap:8px}
.toast{padding:14px 18px;background:var(--white);border-radius:var(--r-lg);box-shadow:var(--shadow-lg);font-size:14px;font-weight:500;
  display:flex;align-items:center;gap:10px;min-width:240px;animation:toastIn .35s var(--ease);
  border-left:4px solid var(--g400)}
.toast.success{border-left-color:var(--success)}.toast.error{border-left-color:var(--error)}.toast.warning{border-left-color:var(--warning)}
.toast.info{border-left-color:var(--accent)}
.toast.out{animation:toastOut .3s forwards}

/* ========== Confirm Dialog ========== */
.cf-ov{position:fixed;inset:0;z-index:600;background:rgba(28,25,23,.5);display:none;align-items:center;
  justify-content:center;padding:var(--sp-4);backdrop-filter:blur(4px)}.cf-ov.on{display:flex}
.cf-box{width:100%;max-width:380px;background:var(--white);border-radius:var(--r-2xl);box-shadow:var(--shadow-xl);
  padding:28px;animation:slideUpModal .25s var(--ease);text-align:center}
.cf-ic{font-size:40px;margin-bottom:12px}.cf-title{font-family:var(--font-h);font-size:17px;font-weight:700;margin-bottom:8px;letter-spacing:-.02em}
.cf-msg{font-size:14px;color:var(--g500);margin-bottom:20px;line-height:1.6}.cf-acts{display:flex;gap:10px}.cf-acts .btn{flex:1}