styles.css

:root {
    --bg-primary: #fafafa;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f6f6f6;
    --bg-hover: #f0f0f0;
    --bg-active: #e0e0e0;
    --bg-selected: #cfe3e8;
    --bg-selected-hover: #c2dce3;
    --text-primary: #2e3436;
    --text-secondary: #5e5e5e;
    --border-color: #d5d5d5;
    --border-input: #c0c0c0;
    --border-subtle: #e0e0e0;
    --accent-blue: #337a8f;
    --accent-blue-hover: #2a6577;
    --accent-blue-active: #225160;
    --accent-red: #e01b24;
    --accent-red-hover: #c01c28;
    --accent-red-active: #a51d2d;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
    --focus-ring: 0 0 0 2px rgba(51, 122, 143, 0.3);
}

[data-theme='dark'] {
    --bg-primary: #1e1e1e;
    --bg-secondary: #242424;
    --bg-tertiary: #2a2a2a;
    --bg-hover: #303030;
    --bg-active: #383838;
    --bg-selected: #254048;
    --bg-selected-hover: #2d4a52;
    --text-primary: #eeeeee;
    --text-secondary: #b0b0b0;
    --border-color: #3a3a3a;
    --border-input: #4a4a4a;
    --border-subtle: #333333;
    --accent-blue: #337a8f;
    --accent-blue-hover: #2a6577;
    --accent-blue-active: #225160;
    --accent-red: #e01b24;
    --accent-red-hover: #c01c28;
    --accent-red-active: #a51d2d;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.6);
    --focus-ring: 0 0 0 2px rgba(51, 122, 143, 0.4);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family:
        'Cantarell',
        system-ui,
        -apple-system,
        sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition:
        background-color 0.2s ease,
        color 0.2s ease;
}

#app {
    height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--bg-primary);
}

.app-header {
    padding: 12px 12px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.app-header h1 {
    margin: 0 0 10px 0;
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
}

.header-toolbar {
    display: flex;
    gap: 8px;
    align-items: center;
}

.app-main {
    flex: 1;
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 0;
    overflow: hidden;
}

.grid-panel {
    border-right: 1px solid var(--border-color);
    padding: 12px;
    display: flex;
    flex-direction: column;
    background: var(--bg-secondary);
}

.toolbar-buttons {
    display: flex;
    justify-content: space-between;
    width: 100%;
}

.toolbar-left,
.toolbar-right {
    display: flex;
    gap: 6px;
}

.grid-panel .search-input {
    width: 100%;
    margin-bottom: 12px;
    height: 32px !important;
    padding: 6px 10px !important;
    box-sizing: border-box;
    line-height: 1;
    min-height: 32px;
    max-height: 32px;
}

.toolbar-btn {
    border: 1px solid var(--border-input);
    background: var(--bg-primary);
    color: var(--text-primary);
    border-radius: 6px;
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 16px;
    padding: 0;
    transition: all 0.1s ease;
    box-shadow: var(--shadow-sm);
}

.toolbar-btn:hover {
    background: var(--bg-hover);
}

.toolbar-btn:active {
    background: var(--bg-active);
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
}

.toolbar-btn-labeled {
    border: 1px solid var(--border-input);
    background: var(--bg-primary);
    color: var(--text-primary);
    border-radius: 6px;
    height: 34px;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 0 12px 0 8px;
    cursor: pointer;
    transition: all 0.1s ease;
    box-shadow: var(--shadow-sm);
    font-size: 13px;
    font-weight: 600;
}

.toolbar-btn-labeled:hover {
    background: var(--bg-hover);
}

.toolbar-btn-labeled:active {
    background: var(--bg-active);
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
}

.toolbar-btn-labeled .btn-icon {
    font-size: 16px;
    line-height: 1;
}

.toolbar-btn-labeled .btn-label {
    font-size: 13px;
    line-height: 1;
}

.toolbar-spacer {
    width: 1px;
    height: 24px;
    background: var(--border-color);
    margin: 0 4px;
    align-self: center;
}

.search-input {
    flex: 1;
    padding: 6px 10px;
    border-radius: 6px;
    min-width: 0;
    border: 1px solid var(--border-input);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 13px;
    transition: all 0.1s ease;
    height: 32px;
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: var(--focus-ring);
}

.password-grid {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 8px;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    table-layout: fixed;
}

.password-grid .col-name {
    width: auto;
}

.password-grid .col-updated {
    width: 160px;
    padding: 0;
}

.password-grid .col-updated .sort-header-btn {
    justify-content: center;
    font-size: 12px;
}

.password-grid td.col-updated {
    text-align: center;
    font-size: 12px;
    color: var(--text-secondary);
    padding: 10px 12px;
}

.password-grid th,
.password-grid td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-subtle);
    font-size: 13px;
}

.password-grid thead {
    background: var(--bg-primary);
}

.password-grid th {
    font-weight: 700;
    color: var(--text-secondary);
    text-align: left;
    padding: 0;
}

.sort-header-btn {
    width: 100%;
    padding: 10px 12px;
    background: transparent;
    border: none;
    font-size: 13px;
    font-weight: 700;
    color: var(--text-secondary);
    text-align: left;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: color 0.1s ease;
}

.sort-header-btn:hover {
    color: var(--text-primary);
}

.sort-header-btn i {
    font-size: 12px;
    opacity: 0.7;
}

.password-grid tbody tr {
    cursor: pointer;
    transition: background 0.1s ease;
}

.password-grid tbody tr:hover {
    background: var(--bg-tertiary);
}

.password-grid tbody tr.selected {
    background: var(--bg-selected);
}

.password-grid tbody tr.selected:hover {
    background: var(--bg-selected-hover);
}

.password-grid tbody tr:last-child td {
    border-bottom: none;
}

.password-grid td {
    vertical-align: middle;
    color: var(--text-primary);
}

.grid-name-line {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 15px;
}

.grid-meta-line {
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: 3px;
}

.detail-panel {
    padding: 20px;
    background: var(--bg-primary);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

#detail-form {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.detail-panel h2 {
    margin-top: 0;
    margin-bottom: 16px;
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
}

.form-row {
    display: flex;
    flex-direction: column;
    margin-bottom: 14px;
}

.form-row label {
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.form-row input,
.form-row textarea,
.form-row select {
    background: var(--bg-secondary);
    border: 1px solid var(--border-input);
    border-radius: 6px;
    padding: 8px 10px;
    color: var(--text-primary);
    font-size: 13px;
    transition: all 0.1s ease;
}

.form-row select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%235e5e5e' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 32px;
}

[data-theme='dark'] .form-row select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23b0b0b0' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
}

.form-row input:focus,
.form-row textarea:focus,
.form-row select:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: var(--focus-ring);
}

.password-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    flex: 1;
}

.password-input-wrapper input {
    flex: 1;
    padding-right: 36px;
}

.icon-button-inline {
    position: absolute;
    right: 4px;
    background: transparent;
    border: none;
    font-size: 16px;
    cursor: pointer;
    padding: 4px 6px;
    line-height: 1;
    opacity: 0.7;
    transition: opacity 0.2s;
    color: var(--text-primary);
}

.icon-button-inline:hover {
    opacity: 1;
}

.icon-button {
    margin-left: 6px;
    border: 1px solid var(--border-input);
    background: var(--bg-primary);
    color: var(--text-primary);
    border-radius: 6px;
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.1s ease;
}

.icon-button:hover {
    background: var(--bg-hover);
}

.icon-button:active {
    background: var(--bg-active);
}

.form-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

button.primary,
button.secondary {
    border-radius: 6px;
    border: 1px solid var(--border-input);
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.1s ease;
}

button.primary {
    background: var(--accent-blue);
    color: white;
    border-color: var(--accent-blue-hover);
}

button.primary:hover {
    background: var(--accent-blue-hover);
    border-color: var(--accent-blue-active);
}

button.primary:active {
    background: var(--accent-blue-active);
}

button.secondary {
    background: var(--bg-primary);
    color: var(--text-primary);
    border-color: var(--border-input);
}

button.secondary:hover {
    background: var(--bg-hover);
}

button.secondary:active {
    background: var(--bg-active);
}

.modal {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal.hidden {
    display: none;
}

#master-password-modal {
    z-index: 10000;
}

#master-password-modal .modal-content {
    min-width: 400px;
}

#custom-dialog-modal {
    z-index: 2000;
}

.lock-button-container {
    flex: 1;
    display: flex;
    margin-top: 20px;
    min-height: 0;
}

.lock-button {
    width: 100%;
    height: 100%;
    padding: 14px;
    font-size: 16px;
    font-weight: 600;
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-input);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.1s ease;
}

.lock-button:hover {
    background: var(--bg-hover);
    border-color: var(--border-color);
}

.lock-button:active {
    background: var(--bg-active);
}

.input-with-button {
    display: flex;
    gap: 4px;
    width: 100%;
}

.input-with-button input {
    flex: 1;
    min-width: 0;
}

.form-row input:not([type='number']),
.form-row textarea {
    width: 100%;
}

.form-row input,
.form-row textarea {
    width: 100%;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
}

.modal-content {
    position: relative;
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border-input);
    padding: 20px 24px;
    width: 520px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-md);
}

.dialog-content {
    width: 400px;
}

.history-modal-content {
    width: 750px;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.modal-header h2 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.modal-body {
    flex: 1;
    overflow: auto;
}

.modal-body p {
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.5;
}

.modal-footer {
    margin-top: 16px;
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

.history-controls {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    font-size: 13px;
    color: var(--text-primary);
}

.history-controls label {
    color: var(--text-primary);
}

.history-controls input[type='number'] {
    width: 80px;
    padding: 8px 10px;
    border: 1px solid var(--border-input);
    border-radius: 6px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 13px;
    transition: all 0.1s ease;
}

.history-controls input[type='number']::-webkit-outer-spin-button,
.history-controls input[type='number']::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.history-controls input[type='number']:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: var(--focus-ring);
}

.history-grid {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    overflow: hidden;
    table-layout: fixed;
}

.history-grid th,
.history-grid td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-subtle);
    font-size: 13px;
    text-align: left;
}

.history-grid th:first-child,
.history-grid td:first-child {
    width: 180px;
}

.history-grid th:last-child,
.history-grid td:last-child {
    width: 100px;
    text-align: left;
}

.history-grid thead {
    background: var(--bg-primary);
}

.history-grid th {
    font-weight: 700;
    color: var(--text-secondary);
}

.history-grid td {
    color: var(--text-primary);
}

.history-grid tbody tr:hover {
    background: var(--bg-tertiary);
}

.history-grid tbody tr:last-child td {
    border-bottom: none;
}

.history-password {
    font-family:
        ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New',
        monospace;
}

button.danger {
    background: var(--accent-red);
    color: white;
    border-color: var(--accent-red-hover);
}

button.danger:hover {
    background: var(--accent-red-hover);
    border-color: var(--accent-red-active);
}

button.danger:active {
    background: var(--accent-red-active);
}

/* Password Generator Styles */
.gen-options-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 12px;
}

.gen-options-grid .form-row {
    margin-bottom: 0;
}

.gen-options-grid label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.gen-options-grid label span {
    flex: 1;
}

.gen-options-grid input[type='checkbox'] {
    appearance: none;
    -webkit-appearance: none;
    width: 44px;
    height: 24px;
    margin: 0;
    cursor: pointer;
    flex-shrink: 0;
    background: var(--border-input);
    border-radius: 12px;
    position: relative;
    transition: background 0.15s ease;
    border: 1px solid var(--border-color);
}

.gen-options-grid input[type='checkbox']::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: white;
    top: 2px;
    left: 2px;
    transition:
        transform 0.15s ease,
        background 0.15s ease;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.gen-options-grid input[type='checkbox']:checked {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
}

.gen-options-grid input[type='checkbox']:checked::before {
    transform: translateX(20px);
}

.gen-options-grid input[type='checkbox']:hover:not(:checked) {
    background: var(--bg-hover);
}

.gen-options-grid input[type='checkbox']:checked:hover {
    background: var(--accent-blue-hover);
    border-color: var(--accent-blue-hover);
}

[data-theme='dark'] .gen-options-grid input[type='checkbox']::before {
    background: #383838;
}

/* Range Slider Styles */
input[type='range'] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    background: var(--border-input);
    border-radius: 3px;
    outline: none;
    cursor: pointer;
    padding: 0;
    margin: 8px 0;
}

input[type='range']:focus {
    outline: none !important;
    box-shadow: none !important;
    border: none !important;
}

input[type='range']:focus-visible {
    outline: none !important;
    box-shadow: none !important;
    border: none !important;
}

input[type='range']::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    background: var(--accent-blue);
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.1s ease;
}

input[type='range']::-webkit-slider-thumb:hover {
    background: var(--accent-blue-hover);
}

input[type='range']::-webkit-slider-thumb:active {
    background: var(--accent-blue-active);
}