/* ═══════════════════════════════════════════════════════════════════
   Custom Invoice Manager – invoice-style.css
   Place at: wp-content/plugins/custom-invoice-manager/assets/css/
   ═══════════════════════════════════════════════════════════════════ */

/* ── Google Fonts ─────────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Sora:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── CSS Variables ────────────────────────────────────────────────── */
:root {
  --cim-bg:          #f0f2f8;
  --cim-surface:     #ffffff;
  --cim-border:      #e2e6f0;
  --cim-primary:     #1a1a2e;
  --cim-accent:      #4f46e5;
  --cim-accent-soft: #eef2ff;
  --cim-success:     #10b981;
  --cim-danger:      #ef4444;
  --cim-text:        #1a1a2e;
  --cim-muted:       #6b7280;
  --cim-radius:      12px;
  --cim-radius-sm:   7px;
  --cim-shadow:      0 1px 3px rgba(0,0,0,.07), 0 4px 16px rgba(0,0,0,.06);
  --cim-shadow-lg:   0 8px 32px rgba(79,70,229,.12);
  --cim-font:        'Sora', sans-serif;
  --cim-mono:        'JetBrains Mono', monospace;
  --cim-transition:  .2s cubic-bezier(.4,0,.2,1);
}

/* ── Page Wrapper ─────────────────────────────────────────────────── */
.cim-wrapper,
.entry-content .cim-section {
  font-family: var(--cim-font);
  color: var(--cim-text);
  max-width: 960px;
  margin: 0 auto;
  padding: 0 16px 60px;
}

/* ── Alert ────────────────────────────────────────────────────────── */
.cim-alert {
  padding: 14px 20px;
  border-radius: var(--cim-radius-sm);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.cim-alert-success {
  background: #d1fae5;
  color: #065f46;
  border-left: 4px solid var(--cim-success);
}

/* ── Section ──────────────────────────────────────────────────────── */
.cim-section {
  margin-bottom: 56px;
}

.cim-section-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
}
.cim-section-header h2 {
  font-size: 22px;
  font-weight: 700;
  margin: 0;
  letter-spacing: -.3px;
}
.cim-section-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--cim-primary);
  color: #fff;
  font-family: var(--cim-mono);
  font-size: 13px;
  font-weight: 500;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ── Card ─────────────────────────────────────────────────────────── */
.cim-card {
  background: var(--cim-surface);
  border: 1px solid var(--cim-border);
  border-radius: var(--cim-radius);
  padding: 28px;
  box-shadow: var(--cim-shadow);
  margin-bottom: 20px;
  transition: box-shadow var(--cim-transition);
}
.cim-card:hover {
  box-shadow: var(--cim-shadow-lg);
}
.cim-card-title {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--cim-muted);
  margin: 0 0 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--cim-border);
}

/* ── Grid Layouts ─────────────────────────────────────────────────── */
.cim-grid {
  display: grid;
  gap: 16px;
}
.cim-grid-2 {
  grid-template-columns: repeat(2, 1fr);
}
/* Products header + rows: Description | Qty | Price | Total | Remove */
.cim-grid-items {
  grid-template-columns: 1fr 80px 120px 100px 40px;
  align-items: center;
}

@media (max-width: 680px) {
  .cim-grid-2     { grid-template-columns: 1fr; }
  .cim-grid-items { grid-template-columns: 1fr 60px 90px 80px 36px; gap: 8px; }
}

/* ── Form Fields ──────────────────────────────────────────────────── */
.cim-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.cim-field label {
  font-size: 12px;
  font-weight: 600;
  color: var(--cim-muted);
  text-transform: uppercase;
  letter-spacing: .6px;
}
.cim-form input[type="text"],
.cim-form input[type="email"],
.cim-form input[type="number"],
.cim-form textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--cim-border);
  border-radius: var(--cim-radius-sm);
  font-family: var(--cim-font);
  font-size: 14px;
  color: var(--cim-text);
  background: var(--cim-surface);
  transition: border-color var(--cim-transition), box-shadow var(--cim-transition);
  box-sizing: border-box;
  outline: none;
  -moz-appearance: textfield;
}
.cim-form input::-webkit-outer-spin-button,
.cim-form input::-webkit-inner-spin-button { -webkit-appearance: none; }
.cim-form input:focus,
.cim-form textarea:focus {
  border-color: var(--cim-accent);
  box-shadow: 0 0 0 3px rgba(79,70,229,.12);
}
.cim-form textarea {
  resize: vertical;
  min-height: 80px;
  line-height: 1.5;
}

/* ── Items Table Header ───────────────────────────────────────────── */
.cim-items-header {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .8px;
  color: var(--cim-muted);
  padding: 0 0 8px;
  border-bottom: 1.5px solid var(--cim-border);
  margin-bottom: 10px;
}

/* ── Item Row ─────────────────────────────────────────────────────── */
.cim-item-row {
  padding: 8px 0;
  border-bottom: 1px solid var(--cim-border);
  transition: background var(--cim-transition);
}
.cim-item-row:last-child { border-bottom: none; }
.cim-item-row input {
  width: 100%;
  padding: 9px 12px;
  border: 1.5px solid var(--cim-border);
  border-radius: var(--cim-radius-sm);
  font-family: var(--cim-font);
  font-size: 13px;
  color: var(--cim-text);
  background: #fff;
  transition: border-color var(--cim-transition), box-shadow var(--cim-transition);
  box-sizing: border-box;
  outline: none;
  -moz-appearance: textfield;
}
.cim-item-row input::-webkit-outer-spin-button,
.cim-item-row input::-webkit-inner-spin-button { -webkit-appearance: none; }
.cim-item-row input:focus {
  border-color: var(--cim-accent);
  box-shadow: 0 0 0 3px rgba(79,70,229,.10);
}
.cim-line-total {
  font-family: var(--cim-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--cim-accent);
  text-align: right;
}

/* Animate new rows */
.cim-row-new {
  animation: cim-row-slide-in .25s ease forwards;
}
@keyframes cim-row-slide-in {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Remove Row Button ────────────────────────────────────────────── */
.cim-btn-remove {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  background: transparent;
  border: 1.5px solid var(--cim-border);
  border-radius: 50%;
  color: var(--cim-muted);
  font-size: 12px;
  cursor: pointer;
  transition: all var(--cim-transition);
  padding: 0;
}
.cim-btn-remove:hover:not([disabled]) {
  background: #fee2e2;
  border-color: var(--cim-danger);
  color: var(--cim-danger);
  transform: scale(1.1);
}
.cim-btn-remove[disabled] {
  opacity: .3;
  cursor: not-allowed;
}

/* ── Add Row Button ───────────────────────────────────────────────── */
.cim-btn-add {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  padding: 9px 18px;
  background: var(--cim-accent-soft);
  border: 1.5px dashed var(--cim-accent);
  border-radius: var(--cim-radius-sm);
  color: var(--cim-accent);
  font-family: var(--cim-font);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--cim-transition);
}
.cim-btn-add:hover {
  background: var(--cim-accent);
  color: #fff;
  border-style: solid;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(79,70,229,.25);
}

/* ── Totals Summary ───────────────────────────────────────────────── */
.cim-totals {
  margin-top: 24px;
  margin-left: auto;
  width: 280px;
  background: #f8f9fc;
  border-radius: var(--cim-radius-sm);
  padding: 16px 20px;
  border: 1px solid var(--cim-border);
}
.cim-totals-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 7px 0;
  font-size: 14px;
  color: var(--cim-muted);
  border-bottom: 1px solid var(--cim-border);
}
.cim-totals-row:last-child { border-bottom: none; }
.cim-totals-row span:last-child {
  font-family: var(--cim-mono);
  font-size: 13px;
  color: var(--cim-text);
}
.cim-totals-grand {
  font-weight: 700 !important;
  font-size: 16px !important;
  color: var(--cim-primary) !important;
  padding-top: 12px !important;
  margin-top: 4px;
}
.cim-totals-grand span:last-child {
  font-size: 18px !important;
  color: var(--cim-accent) !important;
}

/* ── Submit Button ────────────────────────────────────────────────── */
.cim-form-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 8px;
}
.cim-btn-submit {
  padding: 13px 32px;
  background: var(--cim-primary);
  color: #fff;
  border: none;
  border-radius: var(--cim-radius-sm);
  font-family: var(--cim-font);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .3px;
  cursor: pointer;
  transition: all var(--cim-transition);
  position: relative;
  overflow: hidden;
}
.cim-btn-submit::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 40%, rgba(255,255,255,.08));
  pointer-events: none;
}
.cim-btn-submit:hover {
  background: var(--cim-accent);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(79,70,229,.35);
}
.cim-btn-submit:active {
  transform: translateY(0);
}

/* ── Invoice List Table ───────────────────────────────────────────── */
.cim-table-wrap {
  padding: 0;
  overflow: hidden;
}
.cim-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.cim-table thead tr {
  background: var(--cim-primary);
}
.cim-table th {
  padding: 14px 18px;
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .8px;
  color: rgba(255,255,255,.75);
  white-space: nowrap;
}
.cim-table th:first-child { border-radius: 0; }
.cim-table tbody tr {
  border-bottom: 1px solid var(--cim-border);
  transition: background var(--cim-transition);
}
.cim-table tbody tr:last-child { border-bottom: none; }
.cim-table tbody tr:hover {
  background: var(--cim-accent-soft);
}
.cim-table td {
  padding: 14px 18px;
  color: var(--cim-text);
  vertical-align: middle;
}
.cim-badge {
  display: inline-block;
  padding: 4px 10px;
  background: var(--cim-accent-soft);
  color: var(--cim-accent);
  border-radius: 20px;
  font-family: var(--cim-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .3px;
}
.cim-amount {
  font-family: var(--cim-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--cim-accent);
}
.cim-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

/* PDF Download button */
.cim-btn-pdf {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 7px 14px;
  background: var(--cim-primary);
  color: #fff !important;
  text-decoration: none !important;
  border-radius: var(--cim-radius-sm);
  font-size: 12px;
  font-weight: 600;
  font-family: var(--cim-font);
  transition: all var(--cim-transition);
  white-space: nowrap;
}
.cim-btn-pdf:hover {
  background: var(--cim-accent);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(79,70,229,.25);
}

/* Delete button */
.cim-btn-delete {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: transparent;
  border: 1.5px solid var(--cim-border);
  border-radius: 50%;
  color: var(--cim-muted);
  text-decoration: none !important;
  font-size: 13px;
  transition: all var(--cim-transition);
}
.cim-btn-delete:hover {
  background: #fee2e2;
  border-color: var(--cim-danger);
  color: var(--cim-danger) !important;
  transform: scale(1.1);
}

/* ── Empty State ──────────────────────────────────────────────────── */
.cim-empty {
  text-align: center;
  padding: 48px 24px;
  background: var(--cim-surface);
  border: 1px dashed var(--cim-border);
  border-radius: var(--cim-radius);
  color: var(--cim-muted);
  font-size: 15px;
}

/* ── Responsive ───────────────────────────────────────────────────── */
@media (max-width: 600px) {
  .cim-card           { padding: 18px; }
  .cim-totals         { width: 100%; }
  .cim-table          { font-size: 12px; }
  .cim-table th,
  .cim-table td       { padding: 10px 12px; }
  .cim-btn-submit     { width: 100%; justify-content: center; }
  .cim-form-actions   { justify-content: stretch; }
}