/* ═══════════════════════════════════════════════════════════
   EliteInvoice — Design System
═══════════════════════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --accent:        #0071e3;
  --accent-hover:  #0077ed;
  --accent-dim:    #e8f1fc;
  --bg:            #f5f5f7;
  --surface:       #ffffff;
  --border:        #d2d2d7;
  --border-light:  #e8e8ed;
  --text-primary:  #1d1d1f;
  --text-secondary:#6e6e73;
  --text-tertiary: #aeaeb2;
  --danger:        #ff3b30;
  --success:       #34c759;
  --warning:       #ff9f0a;
  --sidebar-w:     240px;
  --radius-sm:     8px;
  --radius-md:     12px;
  --radius-lg:     16px;
  --shadow-sm:     0 1px 3px rgba(0,0,0,.07), 0 1px 2px rgba(0,0,0,.05);
  --shadow-md:     0 4px 16px rgba(0,0,0,.09), 0 1px 4px rgba(0,0,0,.06);
  --shadow-lg:     0 8px 32px rgba(0,0,0,.12), 0 2px 8px rgba(0,0,0,.07);
  --font: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Helvetica Neue', Arial, sans-serif;
  --hamburger-clearance: 68px;
}

html { overflow-x: hidden; }
html, body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text-primary);
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body { display: flex; min-height: 100vh; }

/* ══════════════════════════════════════════════════
   PAGE WRAPPER
══════════════════════════════════════════════════ */
.page-wrapper {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-width: 0;
  overflow-x: hidden;
}
.main-content {
  flex: 1;
  padding: 32px 40px 48px;
  min-width: 0;
  overflow-x: hidden;
}

/* ══════════════════════════════════════════════════
   SIDEBAR
══════════════════════════════════════════════════ */
.sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-right: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  padding: 20px 12px;
  position: fixed;
  top: 0; left: 0;
  z-index: 100;
  box-shadow: 1px 0 0 var(--border-light);
}
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 8px 20px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.3px;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 12px;
}
.sidebar-nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 9px 12px;
  border: none;
  background: transparent;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 13.5px;
  font-weight: 450;
  color: var(--text-secondary);
  cursor: pointer;
  text-align: left;
  transition: background 0.15s, color 0.15s;
}
.nav-item svg    { width: 17px; height: 17px; flex-shrink: 0; }
.nav-item:hover  { background: var(--bg); color: var(--text-primary); }
.nav-item.active { background: var(--accent-dim); color: var(--accent); font-weight: 600; }

.sidebar-footer {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 12px 4px;
  border-top: 1px solid var(--border-light);
  font-size: 11.5px;
  color: var(--text-tertiary);
}
.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--text-tertiary);
  transition: background 0.3s;
}
.status-dot.online  { background: var(--success); }
.status-dot.offline { background: var(--danger); }

/* ══════════════════════════════════════════════════
   VIEW SYSTEM
══════════════════════════════════════════════════ */
.view { display: none; }
.view.active { display: block; }

.view-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}
.view-header h1 {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.6px;
  color: var(--text-primary);
  line-height: 1.2;
}
.subtitle { font-size: 13px; color: var(--text-secondary); margin-top: 3px; }
.header-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

/* ══════════════════════════════════════════════════
   BUTTONS
══════════════════════════════════════════════════ */
.btn-primary {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 8px 18px;
  border-radius: 20px;
  font-family: var(--font);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
  letter-spacing: -0.1px;
  white-space: nowrap;
}
.btn-primary:hover  { background: var(--accent-hover); }
.btn-primary:active { transform: scale(0.97); }

.btn-secondary {
  background: var(--surface);
  color: var(--text-primary);
  border: 1px solid var(--border);
  padding: 7px 16px;
  border-radius: 20px;
  font-family: var(--font);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  display: flex; align-items: center; gap: 5px;
  transition: background 0.15s;
  white-space: nowrap;
}
.btn-secondary:hover { background: var(--bg); }

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  padding: 7px 14px;
  border-radius: 20px;
  font-family: var(--font);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  display: flex; align-items: center; gap: 6px;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
}
.btn-ghost:hover { background: var(--bg); color: var(--text-primary); }

.btn-ai {
  background: linear-gradient(135deg, #0071e3 0%, #5e5ce6 100%);
  color: #fff;
  border: none;
  padding: 8px 18px;
  border-radius: 20px;
  font-family: var(--font);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: flex; align-items: center; gap: 6px;
  transition: opacity 0.15s, transform 0.1s;
  flex-shrink: 0;
  white-space: nowrap;
}
.btn-ai:hover    { opacity: 0.88; }
.btn-ai:active   { transform: scale(0.97); }
.btn-ai:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-add-row {
  background: transparent;
  color: var(--accent);
  border: 1.5px dashed var(--accent);
  padding: 7px 16px;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  display: flex; align-items: center; gap: 5px;
  transition: background 0.15s;
}
.btn-add-row:hover { background: var(--accent-dim); }

/* ── UPDATE INVOICE BUTTON ── */
.btn-update {
  background: #1a7f37;
  color: #fff;
  border: none;
  padding: 8px 18px;
  border-radius: 20px;
  font-family: var(--font);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: flex; align-items: center; gap: 6px;
  transition: background 0.15s, transform 0.1s;
  letter-spacing: -0.1px;
  white-space: nowrap;
}
.btn-update:hover  { background: #1c8a3c; }
.btn-update:active { transform: scale(0.97); }

/* ── CANCEL EDIT BUTTON ── */
.btn-cancel-edit {
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
  padding: 7px 16px;
  border-radius: 20px;
  font-family: var(--font);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
}
.btn-cancel-edit:hover { background: #fff0ef; }

/* ══════════════════════════════════════════════════
   INVOICE EDITOR — CURRENCY SELECT
══════════════════════════════════════════════════ */
#currencySelect {
  padding: 7px 12px;
  border: 1px solid var(--border);
  border-radius: 20px;
  font-family: var(--font);
  font-size: 13px;
  background: var(--surface);
  color: var(--text-primary);
  cursor: pointer;
  appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%236e6e73' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 28px;
}

/* ══════════════════════════════════════════════════
   MAGIC CARD
══════════════════════════════════════════════════ */
.magic-card {
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
  width: 100%; max-width: 100%;
}
.magic-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 12px; flex-wrap: wrap; gap: 8px;
}
.magic-badge {
  display: flex; align-items: center; gap: 5px;
  background: linear-gradient(135deg, #e8f1fc 0%, #ede8fc 100%);
  color: var(--accent); font-size: 11.5px; font-weight: 700;
  letter-spacing: 0.3px; padding: 4px 10px; border-radius: 20px;
  text-transform: uppercase;
}
.magic-hint { font-size: 11.5px; color: var(--text-tertiary); }

#magicInput {
  width: 100%;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 10px 13px;
  font-family: var(--font);
  font-size: 13.5px;
  color: var(--text-primary);
  background: var(--bg);
  resize: vertical;
  line-height: 1.55;
  transition: border-color 0.15s;
}
#magicInput:focus { outline: none; border-color: var(--accent); background: #fff; }

.magic-footer {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 10px; min-height: 32px; gap: 10px;
}
.magic-status {
  font-size: 12.5px; color: var(--text-secondary);
  display: flex; align-items: center; gap: 6px;
}
.spinner {
  width: 14px; height: 14px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block; flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ══════════════════════════════════════════════════
   INVOICE DOCUMENT
══════════════════════════════════════════════════ */
.invoice-document {
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 40px 44px 52px;
  box-shadow: var(--shadow-md);
  width: 100%; max-width: 860px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

/* Edit mode — green border glow */
.invoice-document.is-editing {
  border-color: #1a7f37;
  box-shadow:
    var(--shadow-md),
    0 0 0 2px rgba(26, 127, 55, 0.15);
}

/* Edit mode banner — hidden by default, shown inside .is-editing */
.edit-mode-banner {
  display: none;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  padding: 10px 14px;
  background: #f0faf3;
  border: 1px solid #aee8bc;
  border-radius: var(--radius-sm);
  font-size: 12px;
  color: #1a7f37;
  font-weight: 500;
}
.invoice-document.is-editing .edit-mode-banner {
  display: flex;
}

.invoice-top {
  display: flex; justify-content: space-between; align-items: flex-start;
  margin-bottom: 36px; gap: 20px; flex-wrap: wrap;
}
.invoice-brand  { display: flex; align-items: flex-start; gap: 14px; min-width: 0; }
.invoice-logo   { width: auto; height: 60px; object-fit: contain; border-radius: 6px; flex-shrink: 0; }
.invoice-biz-name    { font-size: 17px; font-weight: 700; color: var(--text-primary); letter-spacing: -0.4px; word-break: break-word; }
.invoice-biz-address { font-size: 12px; color: var(--text-secondary); margin-top: 4px; line-height: 1.5; white-space: pre-wrap; word-break: break-word; }
.invoice-biz-contact { font-size: 11.5px; color: var(--text-tertiary); margin-top: 5px; line-height: 1.7; word-break: break-word; }
.invoice-biz-contact a { color: var(--accent); text-decoration: none; }
.invoice-biz-contact a:hover { text-decoration: underline; }

.invoice-meta { text-align: right; flex-shrink: 0; }
.invoice-title-block {
  display: flex; align-items: baseline; gap: 10px;
  justify-content: flex-end; margin-bottom: 14px;
}
.invoice-title-label { font-size: 11px; font-weight: 700; letter-spacing: 2px; color: var(--text-tertiary); text-transform: uppercase; }
.invoice-number      { font-size: 20px; font-weight: 700; color: var(--accent); letter-spacing: -0.5px; }

.invoice-dates       { display: flex; flex-direction: column; gap: 6px; }
.date-row {
  display: flex; align-items: center; gap: 10px;
  justify-content: flex-end; font-size: 12.5px; color: var(--text-secondary);
}
.date-input {
  border: 1px solid var(--border-light); border-radius: 6px; padding: 4px 8px;
  font-family: var(--font); font-size: 12.5px; color: var(--text-primary);
  background: var(--bg); max-width: 100%;
}
.date-input:focus { outline: none; border-color: var(--accent); }

.invoice-bill-to { background: var(--bg); border-radius: var(--radius-md); padding: 16px 20px; margin-bottom: 24px; }
.bill-label { font-size: 10px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: var(--text-tertiary); margin-bottom: 10px; }
.bill-fields { display: flex; gap: 10px; flex-wrap: wrap; }
.bill-input {
  border: none; background: transparent; border-bottom: 1px solid var(--border);
  padding: 4px 2px; font-family: var(--font); font-size: 13.5px; color: var(--text-primary);
  min-width: 0; flex: 1 1 120px; transition: border-color 0.15s;
}
.bill-input:focus     { outline: none; border-bottom-color: var(--accent); }
.bill-input-wide      { flex: 2 1 180px; }

/* ── TABLE ── */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; width: 100%; margin-bottom: 0; }
.invoice-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.invoice-table thead tr { border-bottom: 2px solid var(--text-primary); }
.invoice-table th {
  padding: 10px 12px; font-weight: 700; font-size: 11px; letter-spacing: 0.8px;
  text-transform: uppercase; color: var(--text-tertiary); text-align: left; white-space: nowrap;
}
.col-desc  { width: 45%; }
.col-qty   { width: 12%; text-align: center; }
.col-price { width: 18%; text-align: right; }
.col-total { width: 18%; text-align: right; }
.col-del   { width: 7%;  text-align: center; }

.invoice-table tbody tr { border-bottom: 1px solid var(--border-light); }
.invoice-table tbody tr:hover { background: #fafafa; }
.invoice-table td { padding: 9px 12px; vertical-align: middle; }
.invoice-table td input {
  width: 100%; border: none; background: transparent; font-family: var(--font);
  font-size: 13.5px; color: var(--text-primary); padding: 2px 0; min-width: 0;
}
.invoice-table td input:focus { outline: none; }
.invoice-table td.td-qty input   { text-align: center; }
.invoice-table td.td-price input { text-align: right; }
.invoice-table td.td-total { text-align: right; font-weight: 500; color: var(--text-primary); }

.del-row-btn {
  background: transparent; border: none; color: var(--text-tertiary); cursor: pointer;
  font-size: 17px; line-height: 1; padding: 2px 6px; border-radius: 4px;
  transition: color 0.15s, background 0.15s;
}
.del-row-btn:hover { color: var(--danger); background: #fff2f0; }
.table-actions { padding: 12px 0 4px; }

/* ── TOTALS ── */
.totals-block { display: flex; justify-content: flex-end; margin: 20px 0 24px; }
.totals-table { width: 100%; max-width: 300px; display: flex; flex-direction: column; gap: 8px; }
.totals-row {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 13.5px; color: var(--text-secondary); padding: 4px 0;
  border-bottom: 1px solid var(--border-light);
}
.totals-row:last-child { border-bottom: none; }
.totals-grand { font-size: 16px; font-weight: 700; color: var(--text-primary); padding-top: 8px; }
.tax-rate-input {
  width: 44px; border: 1px solid var(--border); border-radius: 4px; padding: 2px 5px;
  font-family: var(--font); font-size: 12.5px; text-align: center; background: var(--bg);
}
.tax-rate-input:focus { outline: none; border-color: var(--accent); }

.invoice-notes { border-top: 1px solid var(--border-light); padding-top: 18px; }
.notes-label { font-size: 10px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: var(--text-tertiary); margin-bottom: 8px; }
.notes-input {
  width: 100%; border: 1px solid var(--border-light); border-radius: var(--radius-sm);
  padding: 10px 12px; font-family: var(--font); font-size: 13px; color: var(--text-secondary);
  background: var(--bg); resize: vertical; line-height: 1.5;
}
.notes-input:focus { outline: none; border-color: var(--accent); }

/* ══════════════════════════════════════════════════
   REVENUE DASHBOARD CARD
══════════════════════════════════════════════════ */
.revenue-dashboard {
  background: linear-gradient(135deg, #0a2540 0%, #0d3460 55%, #0f4a7a 100%);
  border-radius: var(--radius-lg);
  padding: 2px;
  margin-bottom: 24px;
  box-shadow:
    0 4px 24px rgba(0,113,227,0.22),
    0 1px 6px  rgba(0,113,227,0.12),
    inset 0 1px 0 rgba(255,255,255,0.06);
  max-width: 760px;
  width: 100%;
  position: relative;
  overflow: hidden;
}
.revenue-dashboard::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(0,113,227,0.18) 0%, transparent 70%),
    radial-gradient(ellipse at 80% 20%, rgba(94,92,230,0.14) 0%, transparent 60%);
  pointer-events: none;
  border-radius: inherit;
}
.revenue-dashboard-inner {
  background: linear-gradient(135deg, #0d2d50 0%, #0e3b68 60%, #103f72 100%);
  border-radius: calc(var(--radius-lg) - 2px);
  padding: 22px 26px 20px;
  position: relative; z-index: 1;
}

.revenue-main-stat { margin-bottom: 16px; }
.revenue-label {
  display: flex; align-items: center; gap: 6px;
  font-size: 11px; font-weight: 700; letter-spacing: 1.2px;
  text-transform: uppercase; color: rgba(255,255,255,0.5);
  margin-bottom: 8px;
}
.revenue-label svg { opacity: 0.6; }

.revenue-amount {
  font-size: 34px; font-weight: 800; letter-spacing: -1.2px;
  color: #ffffff; line-height: 1.1;
  transition: opacity 0.3s;
}
.revenue-amount.updating { opacity: 0.4; }

/* Base currency sub-label */
.revenue-base-label {
  font-size: 11px;
  color: rgba(255,255,255,0.38);
  letter-spacing: 0.3px;
  margin-top: 5px;
  margin-bottom: 10px;
  transition: color 0.3s;
  cursor: default;
}

/* Per-currency chips */
.revenue-multicurrency {
  display: flex; flex-wrap: wrap; gap: 6px;
  min-height: 22px;
}
.rev-currency-chip {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 20px;
  padding: 2px 10px;
  font-size: 11.5px; font-weight: 600;
  color: rgba(255,255,255,0.75);
  white-space: nowrap;
  display: inline-flex; align-items: center; gap: 4px;
}
.chip-converted {
  font-size: 10.5px;
  font-weight: 500;
  color: rgba(255,255,255,0.45);
  padding-left: 2px;
}

/* Stat pills */
.revenue-stats-row { display: flex; gap: 10px; flex-wrap: wrap; }
.revenue-stat-pill {
  flex: 1 1 80px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  display: flex; flex-direction: column; gap: 4px;
  transition: background 0.15s;
}
.revenue-stat-pill:hover { background: rgba(255,255,255,0.11); }
.revenue-stat-pill.overdue-pill { border-color: rgba(255,59,48,0.3); }
.revenue-stat-pill.overdue-pill:hover { background: rgba(255,59,48,0.1); }

.revenue-stat-label {
  font-size: 10.5px; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.6px; color: rgba(255,255,255,0.45);
}
.revenue-stat-value {
  font-size: 17px; font-weight: 700; color: #ffffff; letter-spacing: -0.5px;
}
.overdue-pill .revenue-stat-value            { color: #ff6b6b; }
.overdue-pill .revenue-stat-value.no-overdue { color: #5ddb8a; }

/* ══════════════════════════════════════════════════
   HISTORY LIST
══════════════════════════════════════════════════ */
.history-list { display: flex; flex-direction: column; gap: 12px; max-width: 760px; width: 100%; }

.history-card {
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s; flex-wrap: wrap;
}
.history-card:hover { box-shadow: var(--shadow-md); }

.history-card-info .hc-number { font-size: 14px; font-weight: 700; color: var(--accent); letter-spacing: -0.3px; }
.history-card-info .hc-client { font-size: 13px; color: var(--text-primary); margin-top: 2px; }
.history-card-info .hc-date   { font-size: 11.5px; color: var(--text-tertiary); margin-top: 2px; }

.hc-overdue-badge {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 10.5px; font-weight: 700; padding: 2px 8px;
  border-radius: 20px; margin-top: 4px; letter-spacing: 0.2px;
}
.hc-overdue-badge.upcoming { background: #e8f8ee; color: #1a7f37; }
.hc-overdue-badge.gentle   { background: #fff8e7; color: #9a6700; }
.hc-overdue-badge.friendly { background: #fff3e0; color: #c45800; }
.hc-overdue-badge.firm     { background: #ffeef0; color: #cf222e; }

.history-card-amount-group {
  display: flex; flex-direction: column; align-items: flex-end; gap: 3px; flex-shrink: 0;
}
.history-card-amount { font-size: 17px; font-weight: 700; color: var(--text-primary); letter-spacing: -0.4px; }
.hc-converted {
  font-size: 11.5px; font-weight: 500;
  color: var(--text-tertiary);
  letter-spacing: -0.2px;
}

.history-card-actions { display: flex; gap: 8px; align-items: center; }

.btn-load {
  background: var(--accent-dim); color: var(--accent); border: none;
  padding: 6px 14px; border-radius: 20px; font-size: 12.5px; font-weight: 600;
  cursor: pointer; font-family: var(--font); transition: background 0.15s;
}
.btn-load:hover { background: #d0e5fc; }

.btn-draft-email {
  background: linear-gradient(135deg, #0071e3 0%, #5e5ce6 100%);
  color: #fff; border: none; padding: 6px 13px; border-radius: 20px;
  font-size: 12.5px; font-weight: 600; cursor: pointer; font-family: var(--font);
  display: flex; align-items: center; gap: 5px;
  transition: opacity 0.15s, transform 0.1s; white-space: nowrap;
}
.btn-draft-email:hover  { opacity: 0.88; }
.btn-draft-email:active { transform: scale(0.97); }

.btn-del-invoice {
  background: transparent; color: var(--text-tertiary); border: 1px solid var(--border);
  padding: 6px 12px; border-radius: 20px; font-size: 12.5px; cursor: pointer;
  font-family: var(--font); transition: color 0.15s, border-color 0.15s;
}
.btn-del-invoice:hover { color: var(--danger); border-color: var(--danger); }

.empty-state {
  text-align: center; padding: 48px 24px; color: var(--text-tertiary);
  display: flex; flex-direction: column; align-items: center; gap: 12px;
}
.empty-state p { font-size: 14px; }

/* ══════════════════════════════════════════════════
   SETTINGS
══════════════════════════════════════════════════ */
.settings-card {
  background: var(--surface); border: 1px solid var(--border-light);
  border-radius: var(--radius-lg); padding: 28px 32px;
  width: 100%; max-width: 580px; box-shadow: var(--shadow-sm);
}
.settings-section-title { font-size: 15px; font-weight: 700; color: var(--text-primary); margin-bottom: 22px; letter-spacing: -0.3px; }
.field-group { margin-bottom: 18px; }
.field-label {
  display: block; font-size: 12px; font-weight: 600; color: var(--text-secondary);
  letter-spacing: 0.2px; margin-bottom: 6px; text-transform: uppercase;
}
.field-optional { font-size: 10px; font-weight: 400; color: var(--text-tertiary); text-transform: none; letter-spacing: 0; margin-left: 3px; }
.field-input {
  width: 100%; border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 9px 12px; font-family: var(--font); font-size: 14px; color: var(--text-primary);
  background: var(--bg); transition: border-color 0.15s;
}
.field-input:focus   { outline: none; border-color: var(--accent); background: #fff; }
.field-textarea      { resize: vertical; line-height: 1.5; }
.field-row-two       { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }

.settings-divider { display: flex; align-items: center; gap: 10px; margin: 6px 0 18px; }
.settings-divider::before,
.settings-divider::after { content: ''; flex: 1; height: 1px; background: var(--border-light); }
.settings-divider span { font-size: 11px; font-weight: 600; color: var(--text-tertiary); text-transform: uppercase; letter-spacing: 0.8px; white-space: nowrap; }

/* ── BASE CURRENCY ROW ── */
.base-ccy-row {
  display: flex; gap: 10px; align-items: center;
}
.base-ccy-select {
  flex: 1;
  appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%236e6e73' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
  cursor: pointer;
}
.base-ccy-save-btn {
  flex-shrink: 0;
  padding: 9px 20px;
  border-radius: var(--radius-sm);
}
.base-ccy-hint {
  margin-top: 7px;
  font-size: 11.5px;
  color: var(--text-tertiary);
  line-height: 1.5;
}
.base-ccy-hint a { color: var(--accent); text-decoration: none; }
.base-ccy-hint a:hover { text-decoration: underline; }

/* ── LOGO UPLOAD ── */
.logo-upload-area {
  border: 2px dashed var(--border); border-radius: var(--radius-md); padding: 24px;
  text-align: center; cursor: pointer; transition: border-color 0.2s, background 0.2s;
  display: flex; align-items: center; justify-content: center;
  min-height: 110px; flex-direction: column; gap: 6px;
}
.logo-upload-area:hover { border-color: var(--accent); background: var(--accent-dim); }
#logoPlaceholder { display: flex; flex-direction: column; align-items: center; gap: 6px; color: var(--text-secondary); }
#logoPlaceholder span  { font-size: 13px; font-weight: 500; }
#logoPlaceholder small { font-size: 11px; color: var(--text-tertiary); }

.upload-status, .save-status { margin-top: 8px; font-size: 12.5px; min-height: 18px; }
.upload-status.ok, .save-status.ok   { color: var(--success); }
.upload-status.err, .save-status.err { color: var(--danger); }
.settings-save-btn { margin-top: 8px; }

/* ══════════════════════════════════════════════════
   TOAST
══════════════════════════════════════════════════ */
#toast {
  position: fixed; bottom: 28px; left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--text-primary); color: #fff;
  padding: 10px 22px; border-radius: 24px;
  font-size: 13px; font-weight: 500;
  opacity: 0; pointer-events: none;
  transition: opacity 0.25s, transform 0.25s;
  z-index: 999; white-space: nowrap;
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ══════════════════════════════════════════════════
   FOOTER
══════════════════════════════════════════════════ */
.app-footer {
  padding: 18px 40px; font-size: 12px; color: var(--text-tertiary);
  border-top: 1px solid var(--border-light); background: var(--surface); text-align: center;
}
.app-footer a { color: var(--accent); text-decoration: none; font-weight: 500; }
.app-footer a:hover { text-decoration: underline; }

/* ══════════════════════════════════════════════════
   AI FOLLOW-UP DRAFTER MODAL
══════════════════════════════════════════════════ */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.45);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  z-index: 500; display: none; align-items: center; justify-content: center;
  padding: 20px;
}
.modal-overlay.visible { display: flex; }

.modal-card {
  background: var(--surface); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); width: 100%; max-width: 580px; max-height: 90vh;
  overflow-y: auto; display: flex; flex-direction: column;
  animation: modalIn 0.22s cubic-bezier(0.34,1.56,0.64,1);
}
@keyframes modalIn {
  from { opacity: 0; transform: scale(0.94) translateY(12px); }
  to   { opacity: 1; transform: scale(1)    translateY(0); }
}
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px 16px; border-bottom: 1px solid var(--border-light);
  gap: 12px; flex-wrap: wrap;
}
.modal-title-group { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.modal-ai-badge {
  display: flex; align-items: center; gap: 5px;
  background: linear-gradient(135deg, #e8f1fc 0%, #ede8fc 100%);
  color: var(--accent); font-size: 11.5px; font-weight: 700;
  letter-spacing: 0.3px; padding: 4px 10px; border-radius: 20px; text-transform: uppercase;
}
.modal-invoice-ref { font-size: 12.5px; font-weight: 600; color: var(--text-secondary); }
.modal-close {
  background: transparent; border: 1px solid var(--border-light); border-radius: var(--radius-sm);
  padding: 5px; cursor: pointer; color: var(--text-tertiary);
  display: flex; align-items: center; justify-content: center;
  transition: background 0.15s, color 0.15s; flex-shrink: 0;
}
.modal-close:hover { background: var(--bg); color: var(--text-primary); }

.modal-loading {
  display: flex; align-items: center; justify-content: center;
  gap: 12px; padding: 52px 24px; font-size: 13.5px; color: var(--text-secondary);
}
.modal-tone-badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 700; padding: 5px 13px; border-radius: 20px;
  margin: 18px 24px 4px; letter-spacing: 0.2px; width: fit-content;
}
.modal-tone-badge.upcoming { background: #e8f8ee; color: #1a7f37; }
.modal-tone-badge.gentle   { background: #fff8e7; color: #9a6700; }
.modal-tone-badge.friendly { background: #fff3e0; color: #c45800; }
.modal-tone-badge.firm     { background: #ffeef0; color: #cf222e; }

.modal-result        { padding-bottom: 24px; }
.modal-field-group   { padding: 10px 24px 0; }
.modal-field-label   { display: block; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.8px; color: var(--text-tertiary); margin-bottom: 6px; }
.modal-subject-input {
  width: 100%; border: 1px solid var(--border-light); border-radius: var(--radius-sm);
  padding: 9px 12px; font-family: var(--font); font-size: 13.5px; font-weight: 600;
  color: var(--text-primary); background: var(--bg);
}
.modal-body-textarea {
  width: 100%; border: 1px solid var(--border-light); border-radius: var(--radius-sm);
  padding: 12px 13px; font-family: var(--font); font-size: 13px; color: var(--text-primary);
  background: var(--bg); resize: vertical; line-height: 1.65; min-height: 220px;
}
.modal-actions { display: flex; gap: 10px; padding: 16px 24px 0; flex-wrap: wrap; }
.modal-actions .btn-secondary,
.modal-actions .btn-primary { flex: 1 1 auto; justify-content: center; }

.modal-error {
  display: flex; flex-direction: column; align-items: center;
  gap: 12px; padding: 40px 24px; text-align: center; color: var(--text-secondary);
}
.modal-error svg { color: var(--danger); }
.modal-error p   { font-size: 13.5px; }

/* ══════════════════════════════════════════════════
   PRINT
══════════════════════════════════════════════════ */
@media print {
  @page { size: A4; margin: 16mm 14mm; }
  body { background: #fff; }
  .sidebar, .view-header, .magic-card, .table-actions,
  .no-print, .hamburger, .sidebar-overlay, .app-footer,
  #toast, .modal-overlay, .revenue-dashboard,
  .edit-mode-banner { display: none !important; }
  .page-wrapper  { margin-left: 0 !important; display: block !important; }
  .main-content  { padding: 0 !important; }
  .view          { display: block !important; }
  #view-history, #view-settings { display: none !important; }
  .invoice-document {
    border: none !important; box-shadow: none !important;
    border-radius: 0 !important; padding: 0 !important;
    max-width: 100% !important; width: 100%;
  }
  .invoice-table { page-break-inside: avoid; }
  tr { page-break-inside: avoid; }
  input, textarea {
    border: none !important; background: transparent !important;
    -webkit-print-color-adjust: exact; print-color-adjust: exact;
  }
  .tax-rate-input { border: none !important; }
}

/* ══════════════════════════════════════════════════
   RESPONSIVE — HAMBURGER
══════════════════════════════════════════════════ */
.hamburger {
  display: none; position: fixed; top: 14px; left: 14px; z-index: 200;
  width: 40px; height: 40px; border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.92); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  cursor: pointer; flex-direction: column; align-items: center; justify-content: center;
  gap: 5px; box-shadow: var(--shadow-sm); transition: background 0.15s;
}
.hamburger:hover { background: var(--bg); }
.hamburger span {
  display: block; width: 18px; height: 1.8px;
  background: var(--text-primary); border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}
.hamburger.is-open span:nth-child(1) { transform: translateY(6.8px)  rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.is-open span:nth-child(3) { transform: translateY(-6.8px) rotate(-45deg); }

.sidebar-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,0.35); backdrop-filter: blur(2px);
  z-index: 99; opacity: 0; transition: opacity 0.25s;
}
.sidebar-overlay.visible { display: block; opacity: 1; }

/* ── ≥ 1280px ── */
@media (min-width: 1280px) {
  .main-content     { padding: 40px 56px 56px; }
  .invoice-document { padding: 48px 56px 64px; }
  .app-footer       { padding: 18px 56px; }
}

/* ── ≤ 1023px ── */
@media (max-width: 1023px) {
  :root { --sidebar-w: 220px; }
  .main-content     { padding: 24px 28px 40px; }
  .invoice-document { padding: 28px 30px 40px; }
  .view-header      { flex-direction: column; align-items: flex-start; gap: 14px; }
  .header-actions   { width: 100%; justify-content: flex-start; flex-wrap: wrap; }
  .invoice-top      { flex-direction: column; gap: 18px; }
  .invoice-meta     { text-align: left; }
  .invoice-title-block     { justify-content: flex-start; }
  .invoice-dates .date-row { justify-content: flex-start; }
  .totals-block  { justify-content: flex-start; }
  .totals-table  { max-width: 100%; }
  .settings-card { max-width: 100%; }
  .app-footer    { padding: 16px 28px; }
  .revenue-dashboard { max-width: 100%; }
  .field-row-two { grid-template-columns: 1fr 1fr; }
}

/* ── ≤ 767px ── */
@media (max-width: 767px) {
  .hamburger { display: flex; }

  .sidebar {
    position: fixed; top: 0; left: 0; height: 100%; width: 260px;
    transform: translateX(-100%);
    transition: transform 0.28s cubic-bezier(0.4,0,0.2,1);
    z-index: 150; box-shadow: var(--shadow-lg); padding-top: 20px;
  }
  .sidebar.is-open { transform: translateX(0); }
  .sidebar.is-open .sidebar-brand {
    margin-top: var(--hamburger-clearance);
    transition: margin-top 0.28s cubic-bezier(0.4,0,0.2,1);
  }
  .sidebar:not(.is-open) .sidebar-brand {
    margin-top: 0;
    transition: margin-top 0.28s cubic-bezier(0.4,0,0.2,1);
  }

  .page-wrapper { margin-left: 0; }
  .main-content { padding: 72px 16px 32px; }
  .invoice-document { padding: 20px 14px 32px; border-radius: var(--radius-md); width: 100%; max-width: 100%; }

  .view-header    { flex-direction: column; align-items: flex-start; gap: 12px; }
  .view-header h1 { font-size: 22px; }
  .header-actions { width: 100%; flex-wrap: wrap; gap: 8px; }
  .header-actions select,
  .header-actions button { flex: 1 1 auto; justify-content: center; min-width: 0; }

  .magic-card   { padding: 14px; }
  .magic-header { flex-direction: column; align-items: flex-start; gap: 6px; }
  .magic-footer { flex-direction: column-reverse; align-items: stretch; gap: 8px; }
  .btn-ai       { width: 100%; justify-content: center; }
  #magicStatus  { text-align: center; }

  .invoice-top  { flex-direction: column; gap: 16px; }
  .invoice-meta { text-align: left; width: 100%; }
  .invoice-title-block     { justify-content: flex-start; }
  .invoice-dates .date-row { justify-content: flex-start; }
  .invoice-number          { font-size: 17px; }

  .bill-fields { flex-direction: column; gap: 8px; }
  .bill-input,
  .bill-input-wide { width: 100%; flex: none; min-width: 0; }

  .table-wrap    { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .invoice-table { width: 100%; }
  .invoice-table th,
  .invoice-table td { padding: 8px 6px; font-size: 12px; }
  .col-desc  { width: 40%; }
  .col-qty   { width: 12%; }
  .col-price { width: 20%; }
  .col-total { width: 20%; }
  .col-del   { width: 8%; }

  .totals-block { justify-content: flex-start; }
  .totals-table { max-width: 100%; width: 100%; }

  .settings-card { padding: 20px 14px; max-width: 100%; }
  .field-row-two { grid-template-columns: 1fr; }
  .base-ccy-row  { flex-direction: column; align-items: stretch; }
  .base-ccy-save-btn { width: 100%; text-align: center; }

  .history-list  { max-width: 100%; }
  .history-card  { flex-wrap: wrap; gap: 12px; }
  .history-card-amount-group { width: 100%; flex-direction: row; justify-content: space-between; align-items: baseline; }
  .history-card-actions { width: 100%; display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 8px; }

  .btn-update,
  .btn-cancel-edit { flex: 1 1 auto; justify-content: center; }

  #currencySelect { flex: 1 1 auto; }
  .app-footer     { padding: 16px; }

  .revenue-dashboard        { max-width: 100%; }
  .revenue-dashboard-inner  { padding: 18px 16px 16px; }
  .revenue-amount           { font-size: 28px; }
  .revenue-stats-row        { gap: 8px; }
  .revenue-stat-pill        { padding: 8px 10px; }
  .revenue-stat-value       { font-size: 15px; }

  .modal-overlay { padding: 12px; align-items: flex-end; }
  .modal-card    { max-height: 92vh; border-radius: var(--radius-lg) var(--radius-lg) var(--radius-md) var(--radius-md); }
}

/* ── ≤ 479px ── */
@media (max-width: 479px) {
  .main-content     { padding: 68px 12px 28px; }
  .invoice-document { padding: 16px 12px 28px; }
  .view-header h1   { font-size: 20px; }
  .sidebar-brand span { font-size: 14px; }

  .header-actions { flex-direction: column; }
  .header-actions select,
  .header-actions button { width: 100%; }

  .btn-update,
  .btn-cancel-edit { width: 100%; }

  .invoice-table th,
  .invoice-table td { padding: 7px 5px; font-size: 11.5px; }

  .totals-grand        { font-size: 15px; }
  .history-card-amount { font-size: 15px; }
  .app-footer          { padding: 14px 12px; font-size: 11.5px; }

  .revenue-amount    { font-size: 24px; }
  .revenue-stats-row { flex-direction: column; }
  .revenue-stat-pill {
    flex: none; width: 100%;
    flex-direction: row; justify-content: space-between; align-items: center;
  }

  .modal-header      { padding: 16px 16px 12px; }
  .modal-field-group { padding: 10px 16px 0; }
  .modal-actions     { padding: 14px 16px 0; }
  .modal-tone-badge  { margin: 14px 16px 4px; }
}