/* ====================================
   BillingApp — style.css
   SUPPORT LOUNGE 請求管理
   ==================================== */

/* ── CSS Variables ── */
#billing-app {
  --bg: #0f1117;
  --card: #1a1d27;
  --text: #dfe6e9;
  --text-dim: #8395a7;
  --border: #2d3436;
  --accent: #6c5ce7;
  --accent2: #00cec9;
  --green: #00b894;
  --warning: #fdcb6e;
  --danger: #e17055;
  --blue: #74b9ff;
  --orange: #e17055;
  --row-hover: rgba(108,92,231,0.06);
  --today-bg: rgba(0,206,201,0.08);
  --panel-w: 400px;
  --expense-bg: rgba(225,112,85,0.045);
  --expense-pin: rgba(28,22,20,1);
}

/* ── Base ── */
* { box-sizing: border-box; }
body { margin: 0; background: #0f1117; }

#billing-app {
  font-family: 'Segoe UI', 'Hiragino Sans', 'Meiryo', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  padding: 1.5rem 2rem;
  min-height: 100vh;
  transition: padding-right 0.3s;
}
#billing-app.panel-open { padding-right: calc(var(--panel-w) + 2rem); }

/* ── Header ── */
#billing-app .app-header { display: flex; align-items: baseline; gap: 1.5rem; margin-bottom: 1rem; }
#billing-app .app-logo { font-size: 0.65rem; color: var(--text-dim); letter-spacing: 0.15em; text-transform: uppercase; }
#billing-app .app-title { font-size: 1.4rem; color: #fff; font-weight: 700; }
#billing-app .app-nav { display: flex; gap: 0.5rem; margin-left: auto; }
#billing-app .app-nav a {
  color: var(--text-dim); font-size: 0.72rem; text-decoration: none;
  padding: 0.3rem 0.7rem; border-radius: 4px; border: 1px solid var(--border);
  transition: all 0.15s;
}
#billing-app .app-nav a:hover { color: #fff; border-color: var(--accent); }
#billing-app .app-nav a.active { color: #fff; background: var(--accent); border-color: var(--accent); }

/* ── Month Navigation ── */
#billing-app .month-nav { display: flex; align-items: center; gap: 0.8rem; margin-bottom: 0.8rem; }
#billing-app .month-nav-btn {
  background: var(--card); border: 1px solid var(--border); color: var(--text);
  width: 28px; height: 28px; border-radius: 5px; cursor: pointer; font-size: 0.75rem;
  display: flex; align-items: center; justify-content: center;
}
#billing-app .month-nav-btn:hover { border-color: var(--accent); color: #fff; }
#billing-app .month-label { font-size: 1.1rem; font-weight: 700; color: #fff; min-width: 140px; }

/* ── Toolbar (summary + filter) ── */
#billing-app .toolbar { display: flex; align-items: center; gap: 1rem; margin-bottom: 1rem; flex-wrap: wrap; }

#billing-app .summary-bar {
  display: inline-flex; gap: 1.5rem; padding: 0.6rem 1rem;
  background: var(--card); border-radius: 6px; border: 1px solid var(--border); font-size: 0.75rem;
}
#billing-app .summary-item { display: flex; align-items: center; gap: 0.3rem; }
#billing-app .summary-label { color: var(--text-dim); }
#billing-app .summary-value { color: #fff; font-weight: 700; font-variant-numeric: tabular-nums; }
#billing-app .summary-value.green { color: var(--green); }
#billing-app .summary-value.warning { color: var(--warning); }
#billing-app .summary-value.danger { color: var(--danger); }
#billing-app .summary-value.blue { color: var(--blue); }

/* ── Filter Buttons ── */
#billing-app .filter-bar {
  display: inline-flex; gap: 0.3rem; padding: 0.35rem;
  background: var(--card); border-radius: 6px; border: 1px solid var(--border);
}
#billing-app .filter-btn {
  background: transparent; border: none; color: var(--text-dim);
  font-size: 0.68rem; padding: 0.25rem 0.6rem; border-radius: 4px;
  cursor: pointer; font-weight: 600; white-space: nowrap; transition: all 0.15s;
}
#billing-app .filter-btn:hover { color: #fff; background: rgba(108,92,231,0.1); }
#billing-app .filter-btn.active { color: #fff; background: var(--accent); }
#billing-app .filter-btn.active-income { color: #fff; background: var(--green); }
#billing-app .filter-btn.active-expense { color: #fff; background: var(--orange); }
#billing-app .filter-sep { width: 1px; background: var(--border); margin: 0.15rem 0.1rem; }

/* ── Search Box ── */
#billing-app .search-box {
  background: var(--card); border: 1px solid var(--border); border-radius: 6px;
  padding: 0.35rem 0.7rem; color: var(--text); font-size: 0.75rem;
  width: 180px; outline: none; transition: border-color 0.15s;
}
#billing-app .search-box:focus { border-color: var(--accent); }
#billing-app .search-box::placeholder { color: var(--text-dim); }

/* ── Ledger Table ── */
#billing-app .ledger-wrap {
  background: var(--card); border: 1px solid var(--border); border-radius: 8px;
  overflow: auto; max-height: calc(100vh - 200px);
}
#billing-app .ledger-wrap::-webkit-scrollbar { width: 6px; height: 6px; }
#billing-app .ledger-wrap::-webkit-scrollbar-track { background: var(--card); }
#billing-app .ledger-wrap::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
#billing-app .ledger-wrap::-webkit-scrollbar-corner { background: var(--card); }

#billing-app .ledger {
  border-collapse: separate; border-spacing: 0;
  font-size: 0.8rem; white-space: nowrap; min-width: 1800px;
}
#billing-app .ledger th,
#billing-app .ledger td { padding: 0.4rem 0.7rem; vertical-align: middle; border-bottom: 1px solid rgba(45,52,54,0.4); }
#billing-app .ledger thead th {
  text-align: left; background: #181b25; border-bottom: 2px solid var(--border);
  color: var(--text-dim); font-size: 0.65rem; text-transform: uppercase;
  letter-spacing: 0.05em; font-weight: 600; position: sticky; top: 0; z-index: 4;
}
#billing-app .ledger th.right { text-align: right; }

/* Pinned columns */
#billing-app .ledger .pin-no { position: sticky; left: 0; z-index: 3; background: var(--card); width: 40px; min-width: 40px; text-align: center; }
#billing-app .ledger .pin-date { position: sticky; left: 40px; z-index: 3; background: var(--card); width: 70px; min-width: 70px; }
#billing-app .ledger .pin-dow { position: sticky; left: 110px; z-index: 3; background: var(--card); width: 32px; min-width: 32px; text-align: center; border-right: 2px solid var(--border); }
#billing-app .ledger thead .pin-no,
#billing-app .ledger thead .pin-date,
#billing-app .ledger thead .pin-dow { z-index: 6; background: #181b25; }

/* Data columns */
#billing-app .ledger .col-type     { width: 38px; min-width: 38px; text-align: center; }
#billing-app .ledger .col-client   { width: 165px; min-width: 165px; }
#billing-app .ledger .col-desc     { width: 250px; min-width: 250px; white-space: normal; }
#billing-app .ledger .col-time     { width: 55px; min-width: 55px; text-align: center; }
#billing-app .ledger .col-rate     { width: 75px; min-width: 75px; text-align: right; }
#billing-app .ledger .col-subtotal { width: 90px; min-width: 90px; text-align: right; }
#billing-app .ledger .col-tax      { width: 70px; min-width: 70px; text-align: right; }
#billing-app .ledger .col-total    { width: 100px; min-width: 100px; text-align: right; }
#billing-app .ledger .col-source   { width: 70px; min-width: 70px; }
#billing-app .ledger .col-contact  { width: 50px; min-width: 50px; text-align: center; }
#billing-app .ledger .col-payment  { width: 75px; min-width: 75px; text-align: center; }
#billing-app .ledger .col-inv-no   { width: 95px; min-width: 95px; }
#billing-app .ledger .col-due      { width: 90px; min-width: 90px; text-align: center; }
#billing-app .ledger .col-status   { width: 85px; min-width: 85px; }
#billing-app .ledger .col-memo     { width: 200px; min-width: 200px; white-space: normal; }

/* Cell styles */
#billing-app .cell-no { color: var(--text-dim); font-size: 0.7rem; font-variant-numeric: tabular-nums; }
#billing-app .cell-date { font-variant-numeric: tabular-nums; color: var(--text); font-size: 0.78rem; }
#billing-app .cell-dow { font-size: 0.7rem; }
#billing-app .cell-dow.sat { color: #74b9ff; }
#billing-app .cell-dow.sun { color: var(--danger); }
#billing-app .cell-client { font-weight: 600; color: #fff; }
#billing-app .cell-amount { text-align: right; font-variant-numeric: tabular-nums; font-weight: 600; color: #fff; }
#billing-app .cell-amount-dim { text-align: right; font-variant-numeric: tabular-nums; color: var(--text-dim); font-size: 0.75rem; }
#billing-app .cell-due { text-align: center; font-size: 0.75rem; font-variant-numeric: tabular-nums; }
#billing-app .cell-due.overdue { color: var(--danger); font-weight: 700; }
#billing-app .cell-due.soon { color: var(--warning); }
#billing-app .cell-due.ok { color: var(--text-dim); }
#billing-app .cell-due.done { color: var(--green); }

/* Type dot */
#billing-app .type-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; }
#billing-app .type-dot.income { background: var(--green); }
#billing-app .type-dot.expense { background: var(--orange); }

/* Overdue row */
#billing-app .row-overdue td { background: rgba(225,112,85,0.04) !important; }

/* ── Badges ── */
#billing-app .status-badge {
  display: inline-block; font-size: 0.6rem; padding: 0.1rem 0.4rem;
  border-radius: 3px; font-weight: 600; white-space: nowrap;
}
#billing-app .status-badge.unpaid    { background: rgba(225,112,85,0.2); color: var(--danger); }
#billing-app .status-badge.invoiced  { background: rgba(253,203,110,0.2); color: var(--warning); }
#billing-app .status-badge.scheduled { background: rgba(116,185,255,0.2); color: var(--blue); }
#billing-app .status-badge.paid      { background: rgba(0,184,148,0.2); color: var(--green); }
#billing-app .status-badge.overdue   { background: rgba(225,112,85,0.3); color: #fff; animation: pulse-overdue 2s infinite; }
@keyframes pulse-overdue { 0%,100%{opacity:1} 50%{opacity:0.7} }

#billing-app .contact-badge { display: inline-block; font-size: 0.58rem; padding: 0.08rem 0.35rem; border-radius: 3px; font-weight: 600; }
#billing-app .contact-badge.line { background: #06c755; color: #fff; }
#billing-app .contact-badge.chatwork { background: #e4373b; color: #fff; }
#billing-app .contact-badge.email { background: #4a90d9; color: #fff; }

#billing-app .pay-badge { display: inline-block; font-size: 0.58rem; padding: 0.08rem 0.35rem; border-radius: 3px; font-weight: 600; }
#billing-app .pay-badge.manual { background: rgba(253,203,110,0.15); color: var(--warning); }
#billing-app .pay-badge.auto { background: rgba(0,184,148,0.15); color: var(--green); }
#billing-app .pay-badge.reserved { background: rgba(116,185,255,0.15); color: var(--blue); }

/* Type badge (contacts page) */
#billing-app .type-badge { display: inline-block; font-size: 0.58rem; padding: 0.08rem 0.35rem; border-radius: 3px; font-weight: 600; }
#billing-app .type-badge.client { background: rgba(0,184,148,0.2); color: var(--green); }
#billing-app .type-badge.vendor { background: rgba(225,112,85,0.2); color: var(--danger); }
#billing-app .type-badge.staff { background: rgba(116,185,255,0.2); color: var(--blue); }

/* ── Row Styles ── */
#billing-app .row-empty td { opacity: 0.25; }
#billing-app .row-empty:hover td { opacity: 0.45; }
#billing-app .row-empty .pin-no, #billing-app .row-empty .pin-date, #billing-app .row-empty .pin-dow { opacity: 0.25; }
#billing-app .row-empty:hover .pin-no, #billing-app .row-empty:hover .pin-date, #billing-app .row-empty:hover .pin-dow { opacity: 0.45; }

#billing-app .row-has-data { cursor: pointer; }
#billing-app .row-has-data td { background: rgba(108,92,231,0.03); }
#billing-app .row-has-data:hover td { background: var(--row-hover); }
#billing-app .row-has-data .pin-no, #billing-app .row-has-data .pin-date, #billing-app .row-has-data .pin-dow { background: rgba(22,25,35,1); }
#billing-app .row-has-data:hover .pin-no, #billing-app .row-has-data:hover .pin-date, #billing-app .row-has-data:hover .pin-dow { background: rgba(30,33,50,1); }

#billing-app .row-expense td { background: var(--expense-bg); }
#billing-app .row-expense:hover td { background: rgba(225,112,85,0.08); }
#billing-app .row-expense .pin-no, #billing-app .row-expense .pin-date, #billing-app .row-expense .pin-dow { background: var(--expense-pin); }
#billing-app .row-expense:hover .pin-no, #billing-app .row-expense:hover .pin-date, #billing-app .row-expense:hover .pin-dow { background: rgba(35,25,22,1); }

#billing-app .row-selected td { background: rgba(108,92,231,0.12) !important; }
#billing-app .row-selected .pin-no, #billing-app .row-selected .pin-date, #billing-app .row-selected .pin-dow { background: rgba(35,30,55,1) !important; }
#billing-app .row-today td { background: var(--today-bg); }
#billing-app .row-today .pin-no, #billing-app .row-today .pin-date, #billing-app .row-today .pin-dow { background: rgba(0,206,201,0.08); }
#billing-app .row-continuation .pin-no, #billing-app .row-continuation .pin-date, #billing-app .row-continuation .pin-dow { color: transparent; }
#billing-app .row-group-start td { border-top: 2px solid rgba(108,92,231,0.25); }
#billing-app .row-group-start .pin-no, #billing-app .row-group-start .pin-date, #billing-app .row-group-start .pin-dow { border-top: 2px solid rgba(108,92,231,0.25); }
#billing-app .row-total td { border-top: 2px solid var(--border); background: rgba(0,184,148,0.06); font-weight: 700; color: #fff; padding: 0.5rem 0.7rem; }
#billing-app .row-total .pin-no, #billing-app .row-total .pin-date, #billing-app .row-total .pin-dow { background: rgba(0,184,148,0.06); }
#billing-app .row-total .cell-amount { color: var(--green); font-size: 0.9rem; }
#billing-app .row-filtered { display: none !important; }

/* ── Detail Panel (right side) ── */
#billing-app .detail-panel {
  position: fixed; top: 0; right: 0; width: var(--panel-w); height: 100vh;
  background: #13161f; border-left: 1px solid var(--border);
  transform: translateX(100%); transition: transform 0.25s ease;
  z-index: 100; display: flex; flex-direction: column;
  box-shadow: -4px 0 20px rgba(0,0,0,0.4);
}
#billing-app .detail-panel.open { transform: translateX(0); }
#billing-app .panel-header { display: flex; align-items: center; justify-content: space-between; padding: 1rem 1.2rem; border-bottom: 1px solid var(--border); flex-shrink: 0; }
#billing-app .panel-client-name { font-size: 1rem; font-weight: 700; color: #fff; }
#billing-app .panel-close {
  background: none; border: 1px solid var(--border); color: var(--text-dim);
  width: 28px; height: 28px; border-radius: 5px; cursor: pointer; font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
}
#billing-app .panel-close:hover { color: #fff; border-color: var(--accent); }
#billing-app .panel-meta {
  padding: 0.8rem 1.2rem; border-bottom: 1px solid var(--border);
  display: flex; flex-wrap: wrap; gap: 0.5rem 1.2rem; font-size: 0.72rem; flex-shrink: 0;
}
#billing-app .panel-meta-item { display: flex; gap: 0.3rem; align-items: center; }
#billing-app .panel-meta-label { color: var(--text-dim); }
#billing-app .panel-meta-value { color: #fff; font-weight: 600; }
#billing-app .panel-body { flex: 1; overflow-y: auto; padding: 1.2rem; }
#billing-app .panel-body::-webkit-scrollbar { width: 4px; }
#billing-app .panel-body::-webkit-scrollbar-track { background: transparent; }
#billing-app .panel-body::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

/* ── Markdown in panel ── */
#billing-app .md h2 { font-size: 0.9rem; color: var(--accent2); border-bottom: 1px solid var(--border); padding-bottom: 0.3rem; margin: 1.2rem 0 0.6rem; }
#billing-app .md h2:first-child { margin-top: 0; }
#billing-app .md h3 { font-size: 0.82rem; color: #fff; margin: 0.8rem 0 0.4rem; }
#billing-app .md p { font-size: 0.78rem; color: var(--text); margin: 0.4rem 0; }
#billing-app .md ul { padding-left: 1.2rem; margin: 0.3rem 0; }
#billing-app .md li { font-size: 0.78rem; color: var(--text); margin: 0.15rem 0; }
#billing-app .md li strong { color: #fff; }
#billing-app .md code { background: rgba(108,92,231,0.15); color: var(--accent2); padding: 0.1rem 0.3rem; border-radius: 3px; font-size: 0.72rem; }
#billing-app .md table { width: 100%; border-collapse: collapse; margin: 0.5rem 0; font-size: 0.75rem; }
#billing-app .md table th { text-align: left; padding: 0.3rem 0.5rem; border-bottom: 1px solid var(--border); color: var(--text-dim); font-size: 0.68rem; }
#billing-app .md table td { padding: 0.3rem 0.5rem; border-bottom: 1px solid rgba(45,52,54,0.3); }
#billing-app .md blockquote { border-left: 3px solid var(--accent); padding: 0.3rem 0.8rem; margin: 0.5rem 0; background: rgba(108,92,231,0.06); border-radius: 0 4px 4px 0; }
#billing-app .md blockquote p { color: var(--text-dim); font-size: 0.75rem; margin: 0; }
#billing-app .md hr { border: none; border-top: 1px solid var(--border); margin: 0.8rem 0; }

/* ── Footer ── */
#billing-app .app-footer { margin-top: 1.5rem; font-size: 0.65rem; color: var(--text-dim); }

/* ── Login Screen ── */
#billing-app .login-screen {
  display: flex; align-items: center; justify-content: center;
  min-height: 80vh; flex-direction: column; gap: 1rem;
}
#billing-app .login-box {
  background: var(--card); border: 1px solid var(--border); border-radius: 8px;
  padding: 2rem; width: 320px; text-align: center;
}
#billing-app .login-box h2 { color: #fff; font-size: 1.1rem; margin: 0 0 0.5rem; }
#billing-app .login-box p { color: var(--text-dim); font-size: 0.75rem; margin: 0 0 1.5rem; }
#billing-app .login-box input {
  width: 100%; padding: 0.6rem 0.8rem; background: var(--bg); border: 1px solid var(--border);
  border-radius: 5px; color: var(--text); font-size: 0.85rem; outline: none; margin-bottom: 1rem;
}
#billing-app .login-box input:focus { border-color: var(--accent); }
#billing-app .login-box button {
  width: 100%; padding: 0.6rem; background: var(--accent); border: none;
  border-radius: 5px; color: #fff; font-size: 0.85rem; font-weight: 600;
  cursor: pointer; transition: opacity 0.15s;
}
#billing-app .login-box button:hover { opacity: 0.9; }
#billing-app .login-error { color: var(--danger); font-size: 0.75rem; margin-top: 0.5rem; }

/* ── Loading ── */
#billing-app .loading {
  display: flex; align-items: center; justify-content: center;
  min-height: 200px; color: var(--text-dim); font-size: 0.85rem;
}
#billing-app .loading-spinner {
  width: 20px; height: 20px; border: 2px solid var(--border);
  border-top-color: var(--accent); border-radius: 50%;
  animation: spin 0.6s linear infinite; margin-right: 0.6rem;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Contacts Page ── */
#billing-app .contacts-toolbar {
  display: flex; align-items: center; gap: 1rem; margin-bottom: 1rem; flex-wrap: wrap;
}
#billing-app .contacts-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 0.8rem;
}
#billing-app .contact-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 8px;
  padding: 1rem 1.2rem; cursor: pointer; transition: all 0.15s;
}
#billing-app .contact-card:hover { border-color: var(--accent); }
#billing-app .contact-card.selected { border-color: var(--accent); background: rgba(108,92,231,0.08); }
#billing-app .contact-card-header { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 0.5rem; }
#billing-app .contact-card-name { font-size: 0.9rem; font-weight: 700; color: #fff; }
#billing-app .contact-card-meta { font-size: 0.72rem; color: var(--text-dim); display: flex; flex-wrap: wrap; gap: 0.3rem 1rem; }
#billing-app .contact-card-meta span { display: flex; align-items: center; gap: 0.25rem; }
#billing-app .contact-card-meta strong { color: var(--text); font-weight: 600; }

/* ── View Page (Client Portal) ── */
#billing-app .view-header {
  text-align: center; margin-bottom: 2rem; padding: 1.5rem;
  background: var(--card); border: 1px solid var(--border); border-radius: 8px;
}
#billing-app .view-header h1 { font-size: 1.2rem; color: #fff; margin: 0 0 0.3rem; }
#billing-app .view-header p { font-size: 0.8rem; color: var(--text-dim); margin: 0; }
#billing-app .view-summary {
  display: flex; gap: 1rem; margin-bottom: 1.5rem; flex-wrap: wrap; justify-content: center;
}
#billing-app .view-summary-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 8px;
  padding: 1rem 1.5rem; text-align: center; min-width: 140px;
}
#billing-app .view-summary-card .label { font-size: 0.7rem; color: var(--text-dim); margin-bottom: 0.3rem; }
#billing-app .view-summary-card .value { font-size: 1.3rem; font-weight: 700; font-variant-numeric: tabular-nums; }
#billing-app .view-table {
  width: 100%; border-collapse: collapse; font-size: 0.8rem;
  background: var(--card); border: 1px solid var(--border); border-radius: 8px; overflow: hidden;
}
#billing-app .view-table th {
  text-align: left; padding: 0.6rem 0.8rem; background: #181b25;
  border-bottom: 2px solid var(--border); color: var(--text-dim);
  font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.05em; font-weight: 600;
}
#billing-app .view-table th.right { text-align: right; }
#billing-app .view-table td { padding: 0.5rem 0.8rem; border-bottom: 1px solid rgba(45,52,54,0.4); }
#billing-app .view-table tr:hover td { background: var(--row-hover); }
#billing-app .view-error {
  text-align: center; padding: 3rem; color: var(--text-dim); font-size: 0.9rem;
}