/* ====================== ЗМІННІ ТЕМИ ====================== */
:root {
  --bg-body: #f8f9fa;
  --bg-header: #dddfe8;
  --bg-sidebar: #f4f5fb;
  --bg-card: #ffffff;
  --bg-input: #ffffff;
  --bg-hover-row: #f9f9f9;
  --text-main: #333;
  --text-heading: #2c3e50;
  --text-sidebar: #131010;
  --text-muted: #888;
  --border-color: #ddd;
  --accent: #00a0d2;
  --accent-hover: #007da3;
  --shadow-color: rgba(0, 0, 0, 0.08);
  --logo-color: #00a0d2;
  --footer-bg: #dddfe8;
  --lang-btn: #1c1f27;
  --success-bg: #d4edda;
  --success-text: #155724;
  --warning-bg: #fff3cd;
  --warning-text: #856404;
  --vat-bg: #e7f3ff;
  --vat-border: #ff9800;
}

body.dark-theme {
  --bg-body: #14161c;
  --bg-header: #1c1f27;
  --bg-sidebar: #1a1d24;
  --bg-card: #20232c;
  --bg-input: #262a34;
  --bg-hover-row: #262a34;
  --text-main: #e4e6eb;
  --text-heading: #f1f3f6;
  --text-sidebar: #cfd3da;
  --text-muted: #9aa0aa;
  --border-color: #333844;
  --accent: #00b8f5;
  --accent-hover: #0090c2;
  --shadow-color: rgba(0, 0, 0, 0.4);
  --logo-color: #00b8f5;
  --footer-bg: #1c1f27;
  --lang-btn: #cfd3da;
  --success-bg: #1b4332;
  --success-text: #90ee90;
  --warning-bg: #663c00;
  --warning-text: #ffd700;
  --vat-bg: #1a3a4d;
  --vat-border: #ff9800;
}

body.dark-theme .main-content {
  background:
    linear-gradient(rgba(20, 22, 28, 0.88), rgba(20, 22, 28, 0.88)),
    url("img/bgr.jpg");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  background-repeat: no-repeat;
}

body.dark-theme #invoice {
  background: #fff;
  color: #222;
}

/* ====================== ПЕРЕМИКАЧ ТЕМИ ====================== */
.header-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.theme-toggle-btn,
.logout-btn,
.lang-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 34px;
  padding: 0 14px;
  margin: 0;
  background: rgba(255, 255, 255, 0.12);
  color: var(--lang-btn);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 6px;
  font-family: inherit;
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition: all 0.25s;
}

.theme-toggle-btn {
  width: 34px;
  padding: 0;
  font-size: 15px;
}

.theme-toggle-btn:hover,
.lang-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  transform: translateY(-1px);
}

.logout-btn:hover {
  background: #e74c3c;
  border-color: #e74c3c;
  transform: translateY(-1px);
}

/* ====================== ЕКРАН АВТОРИЗАЦІЇ ====================== */
.auth-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    linear-gradient(rgba(255, 255, 255, 0.85), rgba(255, 255, 255, 0.85)),
    url("img/bgr.jpg");
  background-size: cover;
  background-position: center;
  padding: 20px;
}

body.dark-theme .auth-screen {
  background:
    linear-gradient(rgba(20, 22, 28, 0.9), rgba(20, 22, 28, 0.9)),
    url("img/bgr.jpg");
  background-size: cover;
  background-position: center;
}

.auth-box {
  width: 100%;
  max-width: 380px;
  background: var(--bg-card);
  padding: 35px 30px;
  border-radius: 14px;
  box-shadow: 0 10px 35px var(--shadow-color);
  text-align: center;
}

.auth-box h2 {
  color: var(--text-heading);
  margin-top: 0;
  margin-bottom: 22px;
}

.auth-box input {
  text-align: left;
}

.dark-theme .auth-box input:not([type="checkbox"]) {
  background-color: var(--bg-input);
  color: var(--text-main);
  color-scheme: dark;
}

/* Chrome/Edge застосовують власний світлий фон до збережених логінів. */
.dark-theme .auth-box input:-webkit-autofill,
.dark-theme .auth-box input:-webkit-autofill:hover,
.dark-theme .auth-box input:-webkit-autofill:focus,
.dark-theme .auth-box input:-webkit-autofill:active {
  -webkit-text-fill-color: var(--text-main);
  -webkit-box-shadow: 0 0 0 1000px var(--bg-input) inset;
  box-shadow: 0 0 0 1000px var(--bg-input) inset;
  caret-color: var(--text-main);
  transition: background-color 9999s ease-out 0s;
}

.auth-box button#btn-auth-submit {
  width: 100%;
  margin-top: 8px;
}

.auth-toggle-text {
  margin: 18px 0 0;
  font-size: 14px;
  color: var(--text-muted);
}

.auth-toggle-text a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}

.auth-toggle-text a:hover {
  text-decoration: underline;
}

.auth-error {
  display: none;
  background: rgba(231, 76, 60, 0.12);
  border: 1px solid #e74c3c;
  color: #c0392b;
  padding: 10px 14px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 14px;
  text-align: left;
}

body.dark-theme .auth-error {
  color: #ff8a80;
}

.current-user-label {
  color: white;
  font-size: 13.5px;
  opacity: 0.85;
  margin-right: 4px;
}

body {
  font-family: "Montserrat", sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  background-color: var(--bg-body);
  color: var(--text-main);
  transition:
    background-color 0.3s ease,
    color 0.3s ease;
}

.app-container {
  display: flex;
  min-height: 100vh;
}

#app-container,
#create-view,
#my-data-view,
#statistics-view,
#statsChartWrapper,
#currentUserLabel,
#btn-logout,
#authEmail {
  display: none;
}

.logo-link {
  color: inherit;
  text-decoration: none;
}

.auth-privacy-container {
  display: none;
  align-items: center;
  gap: 10px;
  margin: 15px 0;
  font-size: 0.9rem;
  text-align: left;
}

.auth-privacy-container input {
  width: auto;
  margin: 0;
  cursor: pointer;
}

.auth-privacy-container label {
  cursor: pointer;
  line-height: 1.2;
  user-select: none;
}

/* ====================== ХЕДЕР ====================== */
.main-header {
  height: 70px;
  background: var(--bg-header);
  color: white;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 25px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  position: sticky;
  top: 0;
  z-index: 200;
}

.main-header .logo {
  font-size: 28px;
  font-weight: bold;
  color: var(--logo-color);
  letter-spacing: 1px;
}

.mobile-menu-toggle {
  display: none;
}

.mobile-menu-panel {
  display: none;
}

.language-switcher {
  display: flex;
  gap: 6px;
}

/* ====================== САЙДБАР ====================== */
.sidebar {
  width: 260px;
  background-color: var(--bg-sidebar);
  color: white;
  padding: 20px 15px;
  flex-shrink: 0;
  position: sticky;
  top: 70px; /* висота хедера */
  height: calc(100vh - 70px);
  align-self: flex-start;
  transition: width 0.25s ease, padding 0.25s ease;
}

.user-menu { position: relative; }
.current-user-label { background: transparent; border: 0; padding: 5px; margin: 0; }
.user-menu-dropdown { display: none; position: absolute; right: 0; top: calc(100% + 8px); min-width: 190px; padding: 8px; background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 8px; box-shadow: 0 8px 24px var(--shadow-color); z-index: 300; }
.user-menu.open .user-menu-dropdown { display: block; }
.delete-account-btn { width: 100%; margin: 0; padding: 9px 10px; background: #e74c3c; font-size: 12px; }

.sidebar-collapse-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  margin: 0 0 14px auto;
  padding: 0;
  background: transparent;
  color: var(--text-sidebar);
  border: 1px solid var(--border-color);
}

.sidebar-nav-btn .material-symbols-outlined { font-size: 20px; flex-shrink: 0; }
.sidebar-nav-btn { display: flex; align-items: center; gap: 12px; }

body.sidebar-collapsed .sidebar { width: 72px; padding: 20px 10px; }
body.sidebar-collapsed .sidebar-collapse-toggle { margin-left: auto; margin-right: auto; }
body.sidebar-collapsed .sidebar-nav-btn { justify-content: center; padding: 14px 8px; }
body.sidebar-collapsed .sidebar-nav-label { display: none; }
body.sidebar-collapsed .sidebar-collapse-toggle .material-symbols-outlined { transform: rotate(180deg); }

.sidebar nav button,
.sidebar-nav-btn {
  display: block;
  width: 100%;
  margin-bottom: 10px;
  padding: 14px 18px;
  background: transparent;
  color: var(--text-sidebar);
  border: none;
  text-align: left;
  cursor: pointer;
  border-radius: 8px;
  transition: all 0.3s ease;
  font-size: 15px;
}

.sidebar nav button:hover,
.sidebar nav button.active,
.sidebar-nav-btn:hover,
.sidebar-nav-btn.active {
  background: var(--accent);
  color: white;
  transform: translateX(4px);
}

/* ====================== ОСНОВНИЙ КОНТЕНТ ====================== */
.main-content {
  flex-grow: 1;
  flex: 1;
  padding: 25px;
  overflow-y: auto;
  background:
    linear-gradient(rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.8)),
    url("img/bgr.jpg");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  background-repeat: no-repeat;
}

/* Форми */
.controls {
  max-width: 720px;
  margin: 0 auto;
  padding: 30px;
  background: var(--bg-card);
  border-radius: 12px;
  box-shadow: 0 5px 20px var(--shadow-color);
}

.controls h3,
.controls h4 {
  color: var(--text-heading);
  margin-top: 0;
  margin-bottom: 18px;
  border-bottom: 2px solid var(--accent);
  padding-bottom: 10px;
}

.ares-box {
  background: var(--bg-card);
  padding: 18px;
  border-radius: 10px;
  margin-bottom: 25px;
  border-left: 5px solid var(--accent);
}

.ares-label {
  font-weight: bold;
}

/* === ВИПРАВЛЕННЯ ПОЛІВ ВВЕДЕННЯ === */
input,
textarea,
select {
  width: 100%;
  padding: 10px 12px;
  margin-top: 5px;
  margin-bottom: 15px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background-color: var(--bg-input);
  color: var(--text-main);
  font-family: inherit;
  font-size: 14px;
  box-sizing: border-box;
  transition: border-color 0.2s ease;
}

.sort-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 320px;
  margin: 0 auto 18px;
}

.sort-bar label {
  white-space: nowrap;
  font-size: 14px;
  color: var(--text-muted);
}

.sort-bar select {
  margin: 0;
  width: auto;
  flex: 1;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--shadow-color);
}

label {
  display: block;
  margin-bottom: 4px;
  font-weight: 600;
  color: var(--text-heading);
}

button {
  background-color: var(--accent);
  color: white;
  border: none;
  padding: 12px 22px;
  border-radius: 5px;
  font-weight: 600;
  margin-top: 20px;
  cursor: pointer;
  transition: all 0.3s;
}

button:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 160, 210, 0.3);
}

button.delete-btn {
  background-color: #e74c3c;
}

button.delete-btn:hover {
  background-color: #c0392b;
}

#btn-download-pdf {
  background-color: #1e2937;
}

#btn-download-pdf:hover {
  background-color: #0f172a;
  box-shadow: 0 5px 15px rgba(30, 41, 55, 0.35);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}

th,
td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

th {
  background-color: var(--bg-hover-row);
  font-weight: 600;
  color: var(--text-main);
}

tr:hover {
  background-color: var(--bg-hover-row);
}

/* ====================== ТАБЛИЦЯ ПОЗИЦІЙ ====================== */
.invoice-items-container {
  background: var(--bg-hover-row);
  padding: 15px;
  border-radius: 8px;
  margin-bottom: 15px;
  border: 1px solid var(--border-color);
  overflow-x: auto;
}

.invoice-items-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
}

.invoice-items-table thead {
  background: var(--accent);
  color: white;
}

.invoice-items-table thead th {
  padding: 12px;
  text-align: left;
  font-weight: 600;
  border: none;
  background: var(--accent);
}

.invoice-items-table tbody tr {
  border-bottom: 1px solid var(--border-color);
}

.invoice-items-table tbody tr:hover {
  background: var(--bg-hover-row);
}

.invoice-items-table td {
  padding: 10px;
  border-bottom: 1px solid var(--border-color);
}

.invoice-items-table input {
  margin: 0;
  padding: 6px;
  width: 100%;
  font-size: 13px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
}

.invoice-items-table input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

.item-delete-btn {
  background: #e74c3c !important;
  color: white !important;
  border: none !important;
  padding: 6px 12px !important;
  border-radius: 4px !important;
  cursor: pointer !important;
  margin: 0 !important;
  font-size: 14px !important;
}

.item-delete-btn:hover {
  background: #c0392b !important;
}

#btn-add-item {
  background: #27ae60;
  color: white;
  margin-top: 10px;
  margin-bottom: 20px;
}

#btn-add-item:hover {
  background: #229954;
}

/* ====================== СИСТЕМА ПДВ ====================== */
#h4-vat {
  color: var(--vat-border);
  margin-top: 30px;
  margin-bottom: 15px;
}

.vat-section {
  background: var(--vat-bg);
  border-left: 5px solid var(--vat-border);
  padding: 15px;
  border-radius: 8px;
  margin-bottom: 20px;
}

body.dark-theme .vat-section {
  background: var(--vat-bg);
}

#label-vat-status {
  display: block;
  margin-bottom: 10px;
  font-weight: 600;
  color: var(--text-heading);
}

.vat-status-options {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
}

.vat-option,
.vat-rate-container {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin: 0;
  font-weight: 500;
}

.vat-option input {
  width: auto;
  margin: 0;
}

.vat-rate-container select {
  width: auto;
  margin: 0;
}

#vat-info-text {
  color: var(--text-muted);
  display: block;
  margin-top: 8px;
  font-size: 0.9em;
}

/* ====================== ПІДСУМОК ПОЗИЦІЙ ====================== */
.invoice-summary {
  background: var(--bg-hover-row);
  padding: 18px;
  border-radius: 8px;
  margin-top: 25px;
  border-left: 5px solid var(--accent);
}

.invoice-summary > div {
  display: grid;
  grid-template-columns: 1fr 150px;
  gap: 15px;
  margin-bottom: 10px;
}

.invoice-summary > div:last-child {
  border-top: 2px solid var(--border-color);
  padding-top: 10px;
  margin-bottom: 0;
}

.invoice-summary-total-label {
  font-size: 1.1em;
  font-weight: 700;
}

.invoice-filters,
.invoice-extra-fields {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 10px;
  max-width: 720px;
  margin: 0 auto 18px;
}
.quick-select-row { display:flex; gap:8px; margin:0 0 12px; }
.quick-select-row select { margin:0; }
.quick-select-row button { margin:0; padding:9px 12px; white-space:nowrap; }
@media (max-width:640px){.quick-select-row{flex-wrap:wrap}.quick-select-row button{flex:1}.quick-select-row select{width:100%}}

.invoice-filters input,
.invoice-filters select,
.invoice-extra-fields input,
.invoice-extra-fields select {
  margin: 0;
}

.invoice-extra-fields {
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  margin: 0 0 8px;
}

@media (max-width: 640px) {
  .invoice-filters,
  .invoice-extra-fields {
    grid-template-columns: 1fr;
  }
}

/* ====================== КОМПАКТНА ФОРМА ФАКТУРИ ====================== */
.controls {
  max-width: 760px;
  padding: 24px;
}

.controls h3 {
  margin-bottom: 16px;
  padding-bottom: 9px;
  font-size: 18px;
}

.controls h4 {
  margin: 22px 0 10px;
  padding-bottom: 7px;
  font-size: 14px;
}

.controls > input,
.controls > textarea {
  margin: 0 0 10px;
}

.controls > textarea {
  min-height: 62px;
  resize: vertical;
}

.ares-box {
  padding: 14px;
  margin-bottom: 18px;
  border-radius: 8px;
}

.ares-box .flex-row {
  align-items: stretch;
  margin-top: 8px;
}

.ares-box .flex-row input {
  margin: 0;
}

.ares-box .flex-row button {
  min-width: 92px;
  margin: 0;
  padding: 9px 14px;
  line-height: 1.15;
}

#h4-vat {
  margin-top: 22px;
}

.vat-section {
  padding: 13px;
  margin-bottom: 16px;
}

#label-vat-status {
  margin-bottom: 8px;
}

.vat-status-options {
  gap: 8px;
}

.vat-option,
.vat-rate-container {
  min-height: 34px;
  padding: 5px 9px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--bg-card);
}

.vat-rate-container select {
  min-width: 174px;
  padding: 5px 8px;
  border: 0;
}

#vat-info-text {
  margin-top: 7px;
  font-size: 12px;
}

#h4-items {
  margin-top: 20px;
}

.invoice-items-container {
  padding: 10px;
  margin-bottom: 8px;
}

.invoice-items-table {
  margin: 0;
}

.invoice-items-table thead th,
.invoice-items-table td {
  padding: 9px 8px;
  font-size: 12px;
}

#btn-add-item {
  margin: 4px 0 12px;
  padding: 9px 14px;
}

.invoice-summary {
  padding: 14px;
  margin-top: 14px;
}

.invoice-summary > div {
  grid-template-columns: 1fr 135px;
  gap: 10px;
  margin-bottom: 7px;
  font-size: 13px;
}

.controls > #btn-preview,
.controls > #saveBtn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 14px 8px 0 0;
  padding: 10px 15px;
  font-size: 12px;
}

@media (max-width: 540px) {
  .controls {
    padding: 18px;
  }

  .ares-box .flex-row {
    flex-wrap: wrap;
  }

  .ares-box .flex-row button {
    width: 100%;
  }

  .invoice-summary > div {
    grid-template-columns: 1fr 110px;
  }
}

.invoice-summary span:last-child {
  text-align: right;
  font-weight: bold;
}

#calcSubtotal,
#calcVAT,
#calcTotal {
  font-weight: bold;
  color: var(--accent);
}

#calcVAT {
  color: var(--vat-border);
}

@media (max-width: 768px) {
  .sidebar:not(:has(nav)) { display: none !important; }
  .main-content { padding: 14px !important; padding-bottom: 28px !important; }
  .mobile-menu-panel { top: 60px; }
  .mobile-menu-panel .sidebar-nav-label { display: inline !important; }
  .expand-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
  .expand-actions .action-btn { width: 100%; margin: 0; padding: 10px 8px; font-size: 12px; }

  .invoice-card {
    min-height: 0;
    padding: 14px 16px;
    margin-bottom: 12px;
    border-radius: 14px;
  }

  .invoice-card .card-content {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 4px 10px;
    align-items: start;
  }

  .invoice-card .card-main { min-width: 0; }
  .invoice-card .invoice-id { font-size: 1.1rem; margin: 0; }
  .invoice-card .invoice-client { font-size: 0.95rem; margin: 3px 0; }
  .invoice-card .invoice-date { font-size: 0.85rem; }
  .invoice-card .paid-badge { margin-top: 6px; }
  .invoice-card .card-amount {
    grid-column: 1;
    min-width: 0;
    margin-top: 8px;
    font-size: 1.2rem;
    text-align: left;
  }
  .invoice-card .toggle-arrow { grid-column: 2; grid-row: 1 / span 2; align-self: center; }

  .app-footer {
    padding: 8px 12px;
    font-size: 11px;
    line-height: 1.45;
  }

  .app-footer p { margin: 0; }
  .app-footer a { margin-left: 5px; }
}

#calcTotal {
  font-size: 1.2em;
  color: var(--accent);
}

/* Картки фактур - Вертикальний список */
.cards-container {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 10px 0;
  max-width: 900px;
  margin: 0 auto;
}

.invoice-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border-radius: 16px;
  padding: 22px 25px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.6);
  transition: all 0.3s ease;
}

.invoice-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 160, 210, 0.18);
}

.invoice-id {
  font-size: 1.25em;
  font-weight: bold;
  color: var(--text-heading);
  margin-bottom: 4px;
}

.invoice-client {
  font-size: 1.05em;
  color: var(--text-main);
  margin-bottom: 6px;
}

.invoice-date {
  color: var(--text-muted);
  font-size: 0.95em;
}

.card-amount {
  font-size: 1.55em;
  font-weight: bold;
  color: #00a0d2;
  text-align: right;
  min-width: 160px;
}

.card-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.card-actions button {
  padding: 9px 18px;
  font-size: 13.5px;
  border-radius: 8px;
}

.card-delete {
  margin-left: auto;
}

.btn-delete-small {
  background: #e74c3c;
  color: white;
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 20%;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-delete-small:hover {
  background: #c0392b;
}

/* ==================== СТИЛІ ФАКТУРИ ==================== */
#invoice {
  width: 100%;
  max-width: 1000px;
  margin: 30px auto;
  background: white;
  padding: 50px 40px;
  display: grid;
  grid-template-columns: 50px 1fr 1fr;
  gap: 25px;
  border: 1px solid #ddd;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

#invoice {
  display: none;
}

.row {
  grid-column: 1 / span 3;
  display: grid;
  grid-template-columns: 50px 1fr 1fr;
  align-items: start;
  gap: 20px;
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 1px solid #eee;
}

.invoice-date-row {
  grid-template-columns: 50px 1fr;
}

.invoice-row-content {
  grid-column: 2 / span 2;
}

.invoice-recap-content {
  text-align: right;
}

.invoice-client-block {
  margin-top: 36px;
}

.payment-vertical-title {
  color: white;
}

.invoice-vat-output {
  margin-bottom: 15px;
  text-align: right;
}

.invoice-vat-details {
  display: inline-block;
  padding-top: 10px;
  text-align: left;
  border-top: 1px solid #999;
}

.invoice-vat-subtotal-row {
  margin-bottom: 5px;
}

.invoice-vat-total-row {
  margin-bottom: 10px;
}

#supplierBlock,
#paymentBankBlock {
  line-height: 1.6;
}

.vertical-title {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  color: #00a0d2;
  font-weight: bold;
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  height: 160px;
  align-self: center;
}

.payment-section {
  grid-column: 1 / span 3;
  display: grid;
  grid-template-columns: 50px 1fr 1fr 1fr;
  background: #00a0d2;
  color: white;
  padding: 20px;
  border-radius: 8px;
  gap: 15px;
  align-items: start;
}

#invoiceTable {
  width: 100%;
  background: rgb(255, 255, 255);
  border-collapse: collapse;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  border-radius: 15px;
  overflow: hidden;
}

#invoiceTable th,
#invoiceTable td {
  padding: 16px;
  text-align: left;
  border-bottom: 1px solid #eee;
}

#invoiceTable th {
  background: #2c3e50;
  color: white;
}

/* Статистика */
#statistics-view {
  max-width: 800px;
  margin: 0 auto;
}

#statistics-view h2 {
  text-align: center;
  color: var(--text-heading);
}

#statsContent {
  background: var(--bg-card);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 15px var(--shadow-color);
  font-size: 1.1em;
}

#statsContent ul {
  list-style: none;
  padding: 0;
}

#statsContent li {
  padding: 12px 0;
  border-bottom: 1px solid var(--border-color);
  font-size: 1.15em;
}

.stats-chart-wrapper {
  background: var(--bg-card);
  padding: 20px 20px 10px;
  border-radius: 10px;
  box-shadow: 0 4px 15px var(--shadow-color);
  margin-top: 20px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Друк */
@media print {
  .sidebar,
  .main-header,
  .controls,
  .no-print,
  button {
    display: none !important;
  }

  .main-content {
    padding: 0;
    background: white;
  }

  #invoice {
    width: 90%;
    margin: 0;
    padding: 30px;
    border: none;
    box-shadow: none;
    max-width: none;
  }

  .payment-section {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
}

/* Додаткові покращення */
#create-view,
#my-data-view {
  max-width: 720px;
  margin: 20px auto;
}

h4 {
  color: var(--accent);
  margin-top: 25px;
}

/* Респонсивність */
@media (max-width: 900px) {
  .sidebar {
    width: 220px;
  }
  #invoice {
    grid-template-columns: 40px 1fr;
    padding: 30px 20px;
  }
}

.flex-row {
  display: flex;
  gap: 10px;
  margin-top: 5px;
}

.total-bar {
  background: #00a0d2;
  color: white;
  padding: 10px;
  display: inline-block;
  border-radius: 4px;
}

/* ====================== МОБІЛЬНА АДАПТАЦІЯ ====================== */

@media (max-width: 900px) {
  .main-header {
    padding: 0 15px;
    height: 60px;
  }

  .main-header .logo {
    font-size: 24px;
  }

  .sidebar {
    width: 100%;
    height: auto;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 10px;
    flex-direction: row;
    z-index: 300;
    border-top: 1px solid #34495e;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
  }

  .sidebar nav {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    width: 100%;
  }

  .sidebar nav button {
    flex: 1;
    text-align: center;
    padding: 12px 8px;
    font-size: 13px;
    margin-bottom: 0;
  }

  .language-switcher {
    position: absolute;
    top: 12px;
    right: 15px;
  }

  .main-content {
    padding: 15px;
    padding-bottom: 90px;
  }

  .cards-container {
    gap: 12px;
  }

  .invoice-card {
    padding: 16px;
    flex-direction: column;
    align-items: flex-start;
  }

  .card-amount {
    margin-top: 10px;
    text-align: left;
  }

  #invoice {
    padding: 25px 15px;
    margin: 10px;
  }
}

@media (max-width: 480px) {
  .sidebar nav button {
    font-size: 12px;
    padding: 10px 6px;
  }

  .current-user-label {
    display: none !important;
  }
}

/* Картки з акордеоном */
.invoice-card {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 20px 24px;
  box-shadow: 0 4px 15px var(--shadow-color);
  margin-bottom: 16px;
  transition: all 0.3s ease;
}

.invoice-card:hover {
  box-shadow: 0 10px 25px rgba(0, 160, 210, 0.15);
  transform: translateY(-3px);
}

.card-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
}

.card-main {
  flex: 1;
}

.invoice-id {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-heading);
}

.invoice-client {
  font-size: 1.05rem;
  color: var(--text-main);
  margin: 4px 0;
}

.invoice-date {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.card-amount {
  font-size: 1.65rem;
  font-weight: 700;
  color: #0ea5e9;
  text-align: right;
  min-width: 160px;
}

.toggle-arrow:hover {
  color: #0ea5e9;
}

/* Розгорнутий блок */
.card-expand {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  margin-top: 0;
  padding-top: 0;
  border-top: 0 solid var(--border-color);
  transition:
    max-height 0.35s ease,
    opacity 0.25s ease,
    margin-top 0.35s ease,
    padding-top 0.35s ease,
    border-top-width 0.35s ease;
}

.card-expand.open {
  max-height: 300px;
  opacity: 1;
  margin-top: 18px;
  padding-top: 18px;
  border-top-width: 1px;
}

.toggle-arrow {
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  color: #64748b;
  padding: 5px 10px;
  transition:
    transform 0.3s ease,
    color 0.3s;
  margin: 0;
}

.toggle-arrow.open {
  transform: rotate(180deg);
}

.expand-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.action-btn {
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
}

.paid-btn {
  background: #10b981;
  color: white;
}

.paid-btn:hover {
  background: #059669;
}

.delete-btn {
  background: #ef4444;
  color: white;
}

.delete-btn:hover {
  background: #dc2626;
}

.download-btn {
  background: #1e2937;
  color: white;
}

.download-btn:hover {
  background: #0f172a;
}

.download-btn:disabled {
  opacity: 0.7;
  cursor: wait;
  transform: none;
}

/* Статус "Оплачено" */
:root {
  --paid-bg: #f0fdf4;
  --paid-text: #14532d;
  --paid-client-text: #256641;
  --paid-date-text: #4d7c63;
}

body.dark-theme {
  --paid-bg: #123522;
  --paid-text: #d7f5e3;
  --paid-client-text: #b7e6cb;
  --paid-date-text: #8fc9a8;
}

.paid-card {
  border-left: 5px solid #10b981;
  background: var(--paid-bg);
}

.paid-card .invoice-id {
  color: var(--paid-text);
}

.paid-card .invoice-client {
  color: var(--paid-client-text);
}

.paid-card .invoice-date {
  color: var(--paid-date-text);
}

/* ====================== ЄДИНИЙ МОБІЛЬНИЙ РЕЖИМ ====================== */
@media (max-width: 768px) {
  .main-header {
    height: 60px;
    padding: 0 14px;
  }

  .mobile-menu-panel {
    top: 60px;
  }

  .sidebar:not(:has(nav)) {
    display: none;
  }

  .main-content {
    padding: 14px;
    padding-bottom: 28px;
  }

  .mobile-menu-panel nav button,
  .sidebar-nav-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 13px 14px;
    text-align: left;
  }

  .mobile-menu-panel .sidebar-nav-label {
    display: inline;
  }

  .controls,
  #create-view,
  #my-data-view {
    margin: 0;
    padding: 18px 14px;
    border-radius: 10px;
  }

  .controls > #btn-preview,
  .controls > #saveBtn {
    width: 100%;
    margin-right: 0;
  }

  .invoice-filters,
  .invoice-extra-fields {
    grid-template-columns: 1fr;
  }

  .invoice-card {
    padding: 15px;
  }

  .card-content {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 8px;
  }

  .card-amount {
    grid-column: 1 / -1;
    text-align: left;
  }

  .expand-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .expand-actions .action-btn {
    width: 100%;
    margin: 0;
    padding: 10px 8px;
    font-size: 12px;
  }

  #invoice {
    margin: 0;
    padding: 20px 14px;
    font-size: 14px;
  }

  .payment-section,
  .row {
    gap: 12px;
    padding: 12px 0;
  }
}

.unpaid-card {
  border-left: 4px solid #e74c3c;
}

.unpaid-card .invoice-id {
  color: #e74c3c;
}

.unpaid-btn {
  background: #e74c3c !important;
}

.overdue-badge { display: inline-block; margin-top: 6px; color: #e74c3c; font-size: 12px; font-weight: 700; }

.delete-profile-btn {
  background: #e74c3c;
}

.action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.material-symbols-outlined {
  font-size: 18px;
  line-height: 1;
  vertical-align: middle;
}

.paid-badge {
  display: inline-block;
  background: #10b981;
  color: white;
  font-size: 13px;
  padding: 3px 10px;
  border-radius: 20px;
  margin-top: 6px;
  animation: paidBadgePop 0.4s ease;
}

.just-paid {
  animation: paidFlash 0.9s ease;
}

.logo-link {
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

@keyframes paidFlash {
  0% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6);
  }
  50% {
    box-shadow: 0 0 0 12px rgba(16, 185, 129, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
  }
}

@keyframes paidBadgePop {
  0% {
    transform: scale(0.6);
    opacity: 0;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

/* Для смартфонів (екрани менше 768px) */
@media (max-width: 768px) {
  .sidebar-collapse-toggle { display: none; }
  body.sidebar-collapsed .sidebar-nav-label { display: inline; }
  .app-container {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    height: auto;
    padding: 10px;
  }

  .sidebar:empty {
    display: none;
    padding: 0;
  }

  .sidebar nav {
    display: flex;
    overflow-x: auto;
    gap: 10px;
  }

  .main-content {
    padding: 15px;
    padding-bottom: 90px;
  }

  .main-header .logo {
    font-size: 20px;
  }

  table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }

  .main-header {
    position: relative;
  }

  .mobile-menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    flex-shrink: 0;
    margin-left: auto;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 6px;
    color: white;
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
    transition: all 0.25s;
  }

  .mobile-menu-toggle:hover {
    background: var(--accent);
    border-color: var(--accent);
  }

  .header-controls {
    display: none;
  }

  .mobile-menu-panel {
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    z-index: 250;
    background: var(--bg-header);
    box-shadow: 0 14px 28px rgba(0, 0, 0, 0.3);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition:
      max-height 0.3s ease,
      opacity 0.25s ease;
  }

  body.mobile-nav-open .mobile-menu-panel {
    display: block;
    max-height: 80vh;
    overflow-y: auto;
    opacity: 1;
    padding: 14px 16px 18px;
  }

  .mobile-menu-panel .header-controls {
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 10px;
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  }

  .mobile-menu-panel .logout-btn,
  .mobile-menu-panel .theme-toggle-btn {
    width: 100% !important;
    height: auto !important;
    padding: 11px 14px !important;
    font-size: 15px !important;
    text-align: center;
  }

  .mobile-menu-panel .language-switcher {
    display: flex;
    width: 100%;
    gap: 8px;
    position: static;
    top: auto;
    right: auto;
  }

  .mobile-menu-panel .current-user-label {
    text-align: center;
    color: var(--text-heading, white);
  }

  .mobile-menu-panel nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
    overflow: visible;
  }

  .mobile-menu-panel nav button {
    margin-bottom: 0;
  }
}

/* ====================== ДОДАТКОВА МОБІЛЬНА АДАПТАЦІЯ ====================== */
@media (max-width: 900px) {
  .header-controls {
    gap: 6px;
  }

  .theme-toggle-btn,
  .logout-btn,
  .lang-btn {
    height: 30px;
    font-size: 12.5px;
    padding: 0 10px;
  }

  .theme-toggle-btn {
    width: 30px;
    padding: 0;
  }
}

@media (max-width: 768px) {
  .controls,
  #create-view,
  #my-data-view {
    max-width: 100%;
    margin: 10px auto;
    padding: 20px 16px;
  }

  .flex-row {
    flex-direction: column;
  }

  .flex-row button {
    width: 100%;
  }

  .card-content {
    flex-wrap: wrap;
  }

  .card-amount {
    min-width: auto;
    font-size: 1.35rem;
  }

  .stats-chart-wrapper {
    padding: 14px 10px 6px;
  }

  #invoice {
    grid-template-columns: 1fr;
  }

  .row,
  .payment-section {
    grid-template-columns: 1fr;
    grid-column: 1;
    min-width: 0;
  }

  .row {
    gap: 8px;
    margin-bottom: 10px;
    padding-bottom: 10px;
  }

  .payment-section {
    background: #f4fbfe;
    color: #263238;
    border: 1px solid #b7e2ef;
    border-radius: 10px;
    padding: 14px;
    gap: 10px;
  }

  .payment-section .payment-vertical-title {
    color: #008db9;
  }

  .payment-section #paymentBankBlock {
    line-height: 1.45;
  }

  .invoice-row-content {
    grid-column: 1;
    min-width: 0;
    overflow-x: auto;
  }

  .invoice-row-content table {
    min-width: 560px;
  }

  .invoice-date-row > div:first-child {
    display: none;
  }

  .invoice-client-block {
    margin-top: 18px;
  }

  .invoice-recap-content {
    text-align: left;
  }

  .vertical-title {
    writing-mode: horizontal-tb;
    transform: none;
    height: auto;
    text-align: left;
    margin-bottom: 6px;
  }

  .invoice-items-container {
    overflow-x: auto;
  }

  .invoice-items-table {
    font-size: 0.9em;
  }

  .invoice-items-table input {
    font-size: 12px;
    padding: 4px;
  }
}

@media (max-width: 480px) {
  .main-header .logo {
    font-size: 18px;
  }

  .header-controls {
    align-items: center;
  }

  .controls h3,
  .controls h4 {
    font-size: 1.05em;
  }

  .invoice-id {
    font-size: 1.1rem;
  }

  .card-amount {
    font-size: 1.2rem;
  }

  button {
    padding: 10px 16px;
    font-size: 14px;
  }

  .invoice-items-table {
    font-size: 0.85em;
  }
}

/* Футер авторизації */
.auth-footer {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.author-note {
  line-height: 1.5;
  margin-bottom: 15px;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 20px;
}

.footer-links a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.footer-links a:hover {
  text-decoration: underline;
}

.app-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 60px;
  background-color: var(--footer-bg);
  z-index: 1000;
  box-shadow: 0 10px 15px #000000;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0;
}

.app-footer a {
  color: #00a0d2;
  text-decoration: none;
  margin-left: 10px;
  margin: 0;
}

.app-footer a:hover {
  text-decoration: underline;
}

/* ====================== ДОДАТКОВІ СТИЛІ ДЛЯ ПОЗИЦІЙ ====================== */
.empty-list-msg {
  text-align: center;
  color: #888;
  padding: 60px 20px;
}

#label-subtotal,
#label-vat-sum,
#label-total-new {
  color: var(--text-main);
}

#calcSubtotal,
#calcVAT,
#calcTotal {
  color: var(--accent);
}

#calcVAT {
  color: var(--vat-border);
}