/* ============================================
   Material Design 3 - Coretax Converter
   Color: White + Excel Green (#217346)
   ============================================ */

/* --- Design Tokens --- */
:root {
    /* Primary - Excel Green */
    --md-primary: #217346;
    --md-primary-light: #2E8B57;
    --md-primary-container: #D4EDDA;
    --md-on-primary: #FFFFFF;
    --md-on-primary-container: #0D3B1F;

    /* Surface */
    --md-surface: #FFFFFF;
    --md-surface-variant: #F5F5F5;
    --md-surface-container: #FAFAFA;
    --md-surface-container-low: #F2F2F2;
    --md-surface-container-high: #EEEEEE;
    --md-on-surface: #1C1B1F;
    --md-on-surface-variant: #49454F;
    --md-outline: #79747E;
    --md-outline-variant: #CAC4D0;

    /* Error */
    --md-error: #B3261E;
    --md-error-container: #F9DEDC;

    /* Elevation */
    --md-elevation-1: 0 1px 2px rgba(0,0,0,0.1), 0 1px 3px rgba(0,0,0,0.08);
    --md-elevation-2: 0 1px 2px rgba(0,0,0,0.1), 0 2px 6px rgba(0,0,0,0.1);
    --md-elevation-3: 0 4px 8px rgba(0,0,0,0.1), 0 1px 3px rgba(0,0,0,0.08);

    /* Shape */
    --md-shape-xs: 4px;
    --md-shape-sm: 8px;
    --md-shape-md: 12px;
    --md-shape-lg: 16px;
    --md-shape-xl: 28px;
    --md-shape-full: 9999px;

    /* Motion */
    --md-motion-standard: cubic-bezier(0.2, 0, 0, 1);
    --md-motion-emphasized: cubic-bezier(0.2, 0, 0, 1);
    --md-motion-duration-short: 150ms;
    --md-motion-duration-medium: 300ms;
    --md-motion-duration-long: 500ms;

    /* Typography */
    --md-font-family: 'Google Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* --- Reset & Base --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--md-font-family);
    background-color: var(--md-surface);
    color: var(--md-on-surface);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* --- Top App Bar --- */
.top-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 64px;
    background: var(--md-surface);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    z-index: 100;
    box-shadow: var(--md-elevation-1);
}

.top-bar__leading {
    display: flex;
    align-items: center;
    gap: 12px;
}

.top-bar__title {
    font-size: 22px;
    font-weight: 500;
    color: var(--md-on-surface);
    letter-spacing: -0.2px;
}

.top-bar__trailing {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* --- Icon Button --- */
.icon-button {
    width: 48px;
    height: 48px;
    border-radius: var(--md-shape-full);
    border: none;
    background: transparent;
    color: var(--md-on-surface-variant);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--md-motion-duration-short) var(--md-motion-standard);
    position: relative;
}

.icon-button:hover {
    background-color: rgba(0, 0, 0, 0.06);
}

.icon-button:active {
    background-color: rgba(0, 0, 0, 0.1);
}

.icon-button .material-symbols-rounded {
    font-size: 24px;
}

.icon-button--active {
    background-color: var(--md-primary-container);
    color: var(--md-primary);
}

/* --- Buttons --- */
.filled-button {
    height: 40px;
    padding: 0 24px;
    border-radius: var(--md-shape-full);
    border: none;
    background-color: var(--md-primary);
    color: var(--md-on-primary);
    font-family: var(--md-font-family);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.1px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all var(--md-motion-duration-short) var(--md-motion-standard);
    box-shadow: var(--md-elevation-1);
}

.filled-button:hover {
    box-shadow: var(--md-elevation-2);
    filter: brightness(1.08);
}

.filled-button:active {
    box-shadow: var(--md-elevation-1);
}

.filled-button:disabled {
    background-color: var(--md-outline-variant);
    color: var(--md-on-surface-variant);
    box-shadow: none;
    cursor: not-allowed;
    opacity: 0.5;
}

.filled-button:disabled:hover {
    filter: none;
    box-shadow: none;
}

.filled-button .material-symbols-rounded {
    font-size: 20px;
}

.filled-button--danger {
    background-color: var(--md-error);
}

.tonal-button {
    height: 40px;
    padding: 0 24px;
    border-radius: var(--md-shape-full);
    border: none;
    background-color: var(--md-primary-container);
    color: var(--md-on-primary-container);
    font-family: var(--md-font-family);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.1px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all var(--md-motion-duration-short) var(--md-motion-standard);
}

.tonal-button:hover {
    box-shadow: var(--md-elevation-1);
    filter: brightness(0.96);
}

.tonal-button .material-symbols-rounded {
    font-size: 20px;
}

.text-button {
    height: 40px;
    padding: 0 16px;
    border-radius: var(--md-shape-full);
    border: none;
    background: transparent;
    color: var(--md-primary);
    font-family: var(--md-font-family);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.1px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: background-color var(--md-motion-duration-short) var(--md-motion-standard);
}

.text-button:hover {
    background-color: rgba(33, 115, 70, 0.08);
}

/* --- Main Content --- */
.main-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 64px 24px 80px;
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    text-align: center;
    padding: 48px;
}

.empty-state__icon {
    font-size: 80px;
    color: var(--md-outline-variant);
}

.empty-state__title {
    font-size: 22px;
    font-weight: 500;
    color: var(--md-on-surface);
}

.empty-state__subtitle {
    font-size: 14px;
    color: var(--md-on-surface-variant);
    max-width: 360px;
    line-height: 1.5;
}

/* --- Footer --- */
.footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 48px;
    background: var(--md-surface);
    border-top: 1px solid var(--md-outline-variant);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: var(--md-on-surface-variant);
    z-index: 90;
}

/* --- Dialog --- */
.dialog {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--md-motion-duration-medium) var(--md-motion-standard);
}

.dialog.open {
    opacity: 1;
    pointer-events: auto;
}

.dialog__scrim {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.32);
}

.dialog__container {
    position: relative;
    background: var(--md-surface);
    border-radius: var(--md-shape-xl);
    box-shadow: var(--md-elevation-3);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: scale(0.95);
    transition: transform var(--md-motion-duration-medium) var(--md-motion-emphasized);
}

.dialog.open .dialog__container {
    transform: scale(1);
}

/* Database Dialog Size */
#dialogDatabase .dialog__container {
    width: min(90vw, 960px);
    height: min(85vh, 680px);
}

/* Form Dialog Size */
.dialog--small .dialog__container {
    width: min(90vw, 440px);
    height: auto;
    max-height: 90vh;
}

.dialog__header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 24px 24px 16px;
    flex-shrink: 0;
}

.dialog__title {
    font-size: 24px;
    font-weight: 500;
    color: var(--md-on-surface);
    white-space: nowrap;
}

/* --- Window Dots (Mac-style) --- */
.window-dots {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
    flex-shrink: 0;
}

.window-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    transition: opacity var(--md-motion-duration-short) var(--md-motion-standard);
    padding: 0;
}

.window-dot:hover {
    opacity: 0.8;
}

.window-dot--red {
    background-color: #FF5F57;
}

.window-dot--green {
    background-color: #28C840;
}

.window-dot--yellow {
    background-color: #FFBD2E;
}

.dialog__toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 24px 16px;
    flex-shrink: 0;
}

.dialog__toolbar-spacer {
    flex: 1;
}

/* --- Large Dialog --- */
.dialog__container--large {
    width: min(95vw, 1100px);
    height: min(90vh, 750px);
}

/* --- Tabs --- */
.tabs {
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--md-outline-variant);
    padding: 0 24px;
    flex-shrink: 0;
}

.tabs__tab {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 12px 20px;
    border: none;
    background: transparent;
    color: var(--md-on-surface-variant);
    font-family: var(--md-font-family);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all var(--md-motion-duration-short) var(--md-motion-standard);
    margin-bottom: -1px;
}

.tabs__tab:hover {
    color: var(--md-primary);
    background: rgba(33, 115, 70, 0.04);
}

.tabs__tab--active {
    color: var(--md-primary);
    border-bottom-color: var(--md-primary);
}

.tabs__tab .material-symbols-rounded {
    font-size: 18px;
}

.tabs__content {
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* --- Dialog Footer Actions --- */
.dialog__footer-actions {
    display: flex;
    gap: 8px;
}

/* --- Search Bar --- */
.search-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 24px 12px;
    padding: 0 16px;
    height: 48px;
    background: var(--md-surface-container-low);
    border-radius: var(--md-shape-full);
    border: 1px solid var(--md-outline-variant);
    transition: border-color var(--md-motion-duration-short) var(--md-motion-standard);
    flex-shrink: 0;
}

.search-bar:focus-within {
    border-color: var(--md-primary);
    background: var(--md-surface);
}

.search-bar__icon {
    font-size: 20px;
    color: var(--md-on-surface-variant);
}

.search-bar__input {
    flex: 1;
    border: none;
    background: transparent;
    outline: none;
    font-family: var(--md-font-family);
    font-size: 14px;
    color: var(--md-on-surface);
}

.search-bar__input::placeholder {
    color: var(--md-on-surface-variant);
}

.search-bar__clear {
    width: 32px;
    height: 32px;
    border-radius: var(--md-shape-full);
    border: none;
    background: transparent;
    color: var(--md-on-surface-variant);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--md-motion-duration-short) var(--md-motion-standard);
}

.search-bar__clear:hover {
    background-color: rgba(0, 0, 0, 0.08);
}

.search-bar__clear .material-symbols-rounded {
    font-size: 18px;
}

/* --- Compact Search Bar (for header) --- */
.dialog__header .search-bar--compact {
    flex: 1;
    max-width: 300px;
    height: 40px;
    margin: 0 auto;
    padding: 0 12px;
    border-radius: var(--md-shape-full);
    min-width: 180px;
    transition: border-color var(--md-motion-duration-short) var(--md-motion-standard);
}

.dialog__header .search-bar--compact.search-bar--match {
    border-color: var(--md-primary);
    background: var(--md-surface);
}

.dialog__header .search-bar--compact .search-bar__input {
    font-size: 14px;
}

.dialog__header .search-bar--compact .search-bar__icon {
    font-size: 20px;
}

.dialog__header .search-bar--compact .search-bar__clear {
    width: 28px;
    height: 28px;
}

.dialog__header .search-bar--compact .search-bar__clear .material-symbols-rounded {
    font-size: 16px;
}

.search-bar__match-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: transparent;
    transition: background-color var(--md-motion-duration-short) var(--md-motion-standard);
    flex-shrink: 0;
}

.search-bar__match-indicator.matched {
    background-color: var(--md-primary);
}

.search-bar__match-indicator.partial {
    background-color: var(--md-outline-variant);
}

/* --- Data Table --- */
.dialog__table-container {
    flex: 1;
    overflow-y: auto;
    overflow-x: auto;
    padding: 0 24px;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.data-table__th {
    position: sticky;
    top: 0;
    background: var(--md-surface);
    padding: 12px 16px;
    text-align: left;
    font-weight: 500;
    color: var(--md-on-surface-variant);
    border-bottom: 1px solid var(--md-outline-variant);
    white-space: nowrap;
    z-index: 1;
}

.data-table__th--action {
    text-align: center;
    width: 100px;
}

.data-table__body tr {
    transition: background-color var(--md-motion-duration-short) var(--md-motion-standard);
}

.data-table__body tr:hover {
    background-color: var(--md-surface-container-low);
}

.data-table__td {
    padding: 12px 16px;
    color: var(--md-on-surface);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    white-space: nowrap;
}

.data-table__td--center {
    text-align: center;
}

.data-table__td--mono {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 13px;
}

.data-table__td--right {
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.data-table__empty {
    text-align: center;
    padding: 48px 16px;
    color: var(--md-on-surface-variant);
}

.data-table__empty-icon {
    font-size: 48px;
    display: block;
    margin-bottom: 12px;
    color: var(--md-outline-variant);
}

.data-table__action-group {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.data-table__action-btn {
    width: 36px;
    height: 36px;
    border-radius: var(--md-shape-full);
    border: none;
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--md-motion-duration-short) var(--md-motion-standard);
}

.data-table__action-btn .material-symbols-rounded {
    font-size: 20px;
}

.data-table__action-btn--edit {
    color: var(--md-primary);
}

.data-table__action-btn--edit:hover {
    background-color: var(--md-primary-container);
}

.data-table__action-btn--delete {
    color: var(--md-error);
}

.data-table__action-btn--delete:hover {
    background-color: var(--md-error-container);
}

/* --- Dialog Footer --- */
.dialog__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 24px;
    border-top: 1px solid var(--md-outline-variant);
    flex-shrink: 0;
}

.dialog__footer-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.dialog__footer-text {
    font-size: 12px;
    color: var(--md-on-surface-variant);
}

/* --- Form --- */
.dialog__form {
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 0 24px;
}

.form-field__label {
    font-size: 12px;
    font-weight: 500;
    color: var(--md-on-surface-variant);
    letter-spacing: 0.4px;
}

.form-field__input {
    height: 48px;
    padding: 0 16px;
    border-radius: var(--md-shape-xs);
    border: 1px solid var(--md-outline);
    background: var(--md-surface);
    font-family: var(--md-font-family);
    font-size: 14px;
    color: var(--md-on-surface);
    outline: none;
    transition: border-color var(--md-motion-duration-short) var(--md-motion-standard);
}

.form-field__input:focus {
    border-color: var(--md-primary);
    border-width: 2px;
    padding: 0 15px;
}

.form-field__input::placeholder {
    color: var(--md-outline);
}

.dialog__actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    padding: 16px 24px;
}

/* --- Confirm Dialog --- */
.dialog--confirm .dialog__container {
    padding-bottom: 0;
}

#dialogCloseConfirm {
    z-index: 300;
}

.dialog__message {
    padding: 0 24px 16px;
    font-size: 14px;
    color: var(--md-on-surface-variant);
    line-height: 1.5;
}

/* --- Toast --- */
.toast {
    position: fixed !important;
    top: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(-120px);
    padding: 14px 24px;
    border-radius: var(--md-shape-sm);
    font-size: 14px;
    font-weight: 500;
    z-index: 99999 !important;
    opacity: 0;
    transition: all var(--md-motion-duration-medium) var(--md-motion-standard);
    pointer-events: none;
    box-shadow: 0 8px 24px rgba(0,0,0,0.25);
    display: flex;
    align-items: center;
    gap: 8px;
}

.toast--success {
    background: #E6F4EA;
    color: #1A6B3C;
    border: 1px solid #A8DAB5;
}

.toast--error {
    background: #FDECEE;
    color: #A50E0E;
    border: 1px solid #F5C6C2;
}

.toast--visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* --- Scrollbar --- */
.dialog__table-container::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.dialog__table-container::-webkit-scrollbar-track {
    background: transparent;
}

.dialog__table-container::-webkit-scrollbar-thumb {
    background: var(--md-outline-variant);
    border-radius: 4px;
}

.dialog__table-container::-webkit-scrollbar-thumb:hover {
    background: var(--md-outline);
}

/* --- Row Number Styling --- */
.row-number {
    color: var(--md-on-surface-variant);
    font-size: 13px;
}

/* --- Checkbox --- */
.checkbox {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    position: relative;
}

.checkbox input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.checkbox__box {
    width: 20px;
    height: 20px;
    border: 2px solid var(--md-outline);
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--md-motion-duration-short) var(--md-motion-standard);
    background: var(--md-surface);
}

.checkbox__box::after {
    content: '';
    width: 10px;
    height: 10px;
    border-radius: 2px;
    background: var(--md-primary);
    transform: scale(0);
    transition: transform var(--md-motion-duration-short) var(--md-motion-standard);
}

.checkbox input[type="checkbox"]:checked + .checkbox__box {
    border-color: var(--md-primary);
    background: var(--md-primary);
}

.checkbox input[type="checkbox"]:checked + .checkbox__box::after {
    transform: scale(1);
    background: var(--md-on-primary);
}

.checkbox:hover .checkbox__box {
    border-color: var(--md-primary);
}

.data-table__th--check {
    width: 48px;
    text-align: center;
    padding: 12px 8px;
}

.data-table__td--check {
    text-align: center;
    padding: 12px 8px;
}

/* --- Sortable Header --- */
.data-table__th--sortable {
    cursor: pointer;
    user-select: none;
}

.data-table__th--sortable:hover {
    color: var(--md-primary);
    background-color: var(--md-surface-container-low);
}

.sort-icon {
    font-size: 16px;
    vertical-align: middle;
    margin-left: 2px;
    opacity: 0.4;
    transition: opacity var(--md-motion-duration-short) var(--md-motion-standard);
}

.data-table__th--sortable:hover .sort-icon {
    opacity: 0.8;
}

.data-table__th--sortable.sort-asc .sort-icon,
.data-table__th--sortable.sort-desc .sort-icon {
    opacity: 1;
    color: var(--md-primary);
}

/* --- Bulk Actions --- */
.dialog__toolbar-bulk {
    display: flex;
    align-items: center;
    gap: 8px;
    padding-left: 12px;
    border-left: 1px solid var(--md-outline-variant);
    margin-left: 4px;
}

.tonal-button--danger {
    background-color: var(--md-error-container);
    color: var(--md-error);
}

.tonal-button--danger:hover {
    background-color: #F5C6C2;
    box-shadow: var(--md-elevation-1);
}

.tonal-button--light {
    background-color: #E8F5E9;
    color: #2E7D32;
}

.tonal-button--light:hover {
    background-color: #C8E6CE;
    box-shadow: var(--md-elevation-1);
}

/* --- Row Selected --- */
.data-table__body tr.row-selected {
    background-color: var(--md-primary-container);
}

.data-table__body tr.row-selected:hover {
    background-color: #C8E6CE;
}

/* --- Row Highlight (search) --- */
@keyframes rowHighlight {
    0% { background-color: #FFF9C4; }
    100% { background-color: transparent; }
}

.data-table__body tr.row-highlight {
    animation: rowHighlight 1.5s ease-out;
}