* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #6366f1;
    --primary-hover: #4f46e5;
    --danger-color: #ef4444;
    --danger-hover: #dc2626;
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --input-bg: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --border-color: #475569;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.4);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    height: 100vh;
    overflow: hidden; /* scrollbar lives on main-content, not body */
}

/* ─── No text selection ──────────────────────────────────────── */
* {
    -webkit-user-select: none;
    user-select: none;
}

/* Allow selection inside inputs and textareas so users can edit/copy their own input */
input, textarea {
    -webkit-user-select: text;
    user-select: text;
}

/* ─── No image drag ─────────────────────────────────────────── */
img {
    -webkit-user-drag: none;
    pointer-events: none; /* also prevents accidental clicks on images */
}

/* Re-enable pointer events on images that need to be clickable */
img.clickable {
    pointer-events: auto;
}

/* ─── Scrollbar ─────────────────────────────────────────────── */
* {
    scrollbar-width: thin;
    scrollbar-color: #334155 transparent;
}

*::-webkit-scrollbar {
    width: 4px;
    height: 4px;
}

*::-webkit-scrollbar-track {
    background: transparent;
}

*::-webkit-scrollbar-thumb {
    background: #334155;
    border-radius: 99px;
}

*::-webkit-scrollbar-thumb:hover {
    background: #475569;
}

.app-container {
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Header */
.header {
    background-color: var(--card-bg);
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-logo {
    height: 36px;
    width: auto;
    display: block;
    object-fit: contain;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.bulk-actions-inline {
    display: none;
    align-items: center;
    gap: 12px;
}

.bulk-actions-inline.show {
    display: flex;
}

.bulk-actions-count {
    font-weight: 600;
    color: var(--text-primary);
    min-width: auto;
    font-size: 0.85rem;
    margin-right: 8px;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 30px 40px;
    overflow-y: auto; /* scrollbar confined here, below the header */
}

/* Search and Filter Bar */
.search-filter-bar {
    display: flex;
    gap: 12px;
    margin-bottom: 25px;
    align-items: center;
}

.search-input {
    flex: 1;
    padding: 10px 15px;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.3s ease;
}

.search-input:focus {
    border-color: var(--primary-color);
}

.search-input::placeholder {
    color: var(--text-secondary);
}

.filters-container {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.filter-select {
    padding: 10px 12px;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
    outline: none;
    transition: border-color 0.3s ease;
    min-width: 130px;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23cbd5e1' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-attachment: scroll;
    padding-right: 35px;
}

.filter-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.filter-select option {
    background: var(--card-bg);
    color: var(--text-primary);
    padding: 10px;
    margin: 5px 0;
}

.filter-select option:hover {
    background: var(--input-bg);
    color: var(--text-primary);
}

.filter-select option:checked {
    background: var(--primary-color);
    color: white;
}

/* Firefox specific styling for select dropdown */
@-moz-document url-prefix() {
    .filter-select {
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23cbd5e1' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
        background-repeat: no-repeat;
        background-position: right 10px center;
    }
}

/* Custom Dropdown */
.custom-dropdown {
    position: relative;
    display: inline-block;
}

.custom-dropdown-btn {
    padding: 10px 12px;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
    outline: none;
    transition: all 0.3s ease;
    min-width: 130px;
    text-align: left;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23cbd5e1' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 35px;
}

.custom-dropdown-btn:hover {
    border-color: var(--primary-color);
}

.custom-dropdown-btn:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.custom-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    display: none;
    margin-top: 5px;
    min-width: 130px;
    overflow: hidden;
}

.custom-dropdown-menu.show {
    display: block;
}

.custom-dropdown-option {
    padding: 10px 15px;
    color: var(--text-primary);
    cursor: pointer;
    transition: background-color 0.2s ease;
    font-size: 0.9rem;
}

.custom-dropdown-option:hover {
    background: var(--input-bg);
}

.custom-dropdown-option.active {
    background: var(--primary-color);
    color: white;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Date Range Picker Wrapper - Below main filters */
.date-range-picker-wrapper {
    display: flex;
    margin-top: 10px;
    opacity: 1;
    visibility: visible;
    transition: all 0.3s ease;
}

.date-range-picker-wrapper.hidden {
    display: none;
    opacity: 0;
    visibility: hidden;
}

.date-range-picker {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 15px;
    background: var(--input-bg);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.3s ease;
    flex-wrap: wrap;
}

.date-input {
    padding: 8px 10px;
    background: white;
    border: 1px solid #ddd;
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.85rem;
    outline: none;
    cursor: pointer;
    flex: 1;
    min-width: 120px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.date-input:hover {
    border-color: var(--primary-color);
    box-shadow: 0 2px 6px rgba(99, 102, 241, 0.15);
}

.date-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.date-input::placeholder {
    color: var(--text-secondary);
}

/* Calendar styling for date input */
.date-input::-webkit-calendar-picker-indicator {
    cursor: pointer;
    padding: 6px;
    margin-right: 4px;
    border-radius: 4px;
    transition: all 0.3s ease;
    filter: invert(0.7) brightness(1.2);
}

.date-input::-webkit-calendar-picker-indicator:hover {
    background-color: rgba(99, 102, 241, 0.1);
}

/* Enhanced calendar popup styling */
.date-input::-webkit-datetime-edit {
    padding: 8px 0;
}

.date-input::-webkit-datetime-edit-fields-wrapper {
    padding: 0;
}

.date-input::-webkit-datetime-edit-text {
    color: var(--text-primary);
    padding: 0 4px;
}

.date-input::-webkit-datetime-edit-month-field,
.date-input::-webkit-datetime-edit-day-field,
.date-input::-webkit-datetime-edit-year-field {
    color: var(--text-primary);
    font-weight: 500;
}

/* Firefox calendar styling */
input[type="date"] {
    color-scheme: light;
}

.date-separator {
    color: var(--primary-color);
    font-size: 1.1rem;
    flex-shrink: 0;
    font-weight: bold;
}

.btn-clear-filters {
    padding: 10px 14px;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    outline: none;
    transition: all 0.3s ease;
    white-space: nowrap;
    opacity: 1;
    visibility: visible;
}

.btn-clear-filters:hover {
    background: var(--border-color);
    color: var(--text-primary);
    border-color: var(--danger-color);
}

.btn-clear-filters.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all 0.3s ease;
}

.btn-select-mode {
    padding: 10px 14px;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    outline: none;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.btn-select-mode:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

.btn-select-mode.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.btn-select-mode.hidden {
    display: none;
}

/* Cards Grid */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 25px;
}

/* Card Flip Container */
.card-container {
    perspective: 1000px;
    height: 240px;
}

.card-item {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transition: transform 0.6s ease;
    cursor: pointer;
}

.card-item.selected {
    filter: brightness(0.85);
}

.card-item.selected::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(99, 102, 241, 0.2);
    border-radius: 16px;
    z-index: 10;
    pointer-events: none;
}

.card-container.selectable {
    cursor: pointer;
}

.card-checkbox {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 24px;
    height: 24px;
    cursor: pointer;
    z-index: 20;
    opacity: 0;
    transition: opacity 0.3s ease;
    appearance: none;
    -webkit-appearance: none;
    border: 2px solid white;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.2);
    outline: none;
    transition: all 0.3s ease;
}

.card-container.select-mode .card-checkbox {
    opacity: 1;
}

.card-checkbox:hover {
    background: rgba(255, 255, 255, 0.3);
}

.card-checkbox:checked {
    background: #6366f1;
    border-color: #6366f1;
}

.card-checkbox:checked::after {
    content: '✓';
}

.card-container:hover .card-item {
    transform: rotateY(180deg);
}

.card-front,
.card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 16px;
    padding: 25px;
    box-sizing: border-box;
    border: 1px solid var(--border-color);
}

/* Card Front */
.card-front {
    background: #2d3748;
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.card-type {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 3px;
    color: #ffffff;
}

.card-bank-logo {
    height: 30px;
    object-fit: contain;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.card-holder-section {
    display: flex;
    flex-direction: column;
}

.card-label {
    font-size: 0.65rem;
    text-transform: uppercase;
    opacity: 0.7;
    margin-bottom: 4px;
    letter-spacing: 1px;
}

.card-holder-name {
    font-size: 1.1rem;
    font-weight: 500;
}

.card-brand {
    text-align: right;
}

.card-brand-logo {
    font-size: 1.8rem;
    font-weight: 700;
    font-style: italic;
    color: #a0a0a0;
}

.card-brand-type {
    font-size: 0.7rem;
    color: #a0a0a0;
    letter-spacing: 1px;
}

/* Card Back */
.card-back {
    background: #2d3748;
    color: white;
    transform: rotateY(180deg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.card-back-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.card-back-title {
    font-size: 0.8rem;
    opacity: 0.7;
    letter-spacing: 1px;
}

.card-edit-btn {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease;
    font-size: 0.9rem;
}

.card-edit-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.card-details-grid {
    display: flex;
    flex-direction: row;
    gap: 8px;
    justify-content: center;
    margin-top: 10px;
}

.card-details-row-2 {
    margin-top: 8px;
}

.card-detail-item {
    padding: 8px 14px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.2s ease;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card-detail-item:hover {
    background: rgba(255, 255, 255, 0.25);
}

.card-back-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-top: 10px;
    max-height: 50px;
    overflow: hidden;
}

.card-back-tag {
    background: rgba(99, 102, 241, 0.3);
    color: #a5b4fc;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.65rem;
}

/* "New" tag gets a distinct green accent */
.card-back-tag.tag-new {
    background: rgba(16, 185, 129, 0.2);
    color: #34d399;
    border: 1px solid rgba(52, 211, 153, 0.4);
    font-weight: 600;
}

.no-tags-card {
    font-size: 0.7rem;
    opacity: 0.5;
    font-style: italic;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    display: none;
}

.empty-state.show {
    display: block;
}

.empty-icon {
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
}

.empty-state h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.empty-state p {
    color: var(--text-secondary);
}

/* Add Card Button & Dropdown */
.add-card-container {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background-color: var(--card-bg);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    min-width: 160px;
    padding: 8px 0;
    z-index: 100;
    display: none;
    margin-top: 5px;
    border: 1px solid var(--border-color);
}

.dropdown-menu.show {
    display: block;
}

.dropdown-item {
    display: block;
    width: 100%;
    padding: 10px 15px;
    border: none;
    background: none;
    cursor: pointer;
    text-align: left;
    font-size: 0.9rem;
    transition: background-color 0.2s ease;
    color: var(--text-primary);
}

.dropdown-item:hover {
    background-color: var(--input-bg);
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
}

.btn-danger:hover {
    background-color: var(--danger-hover);
}

.btn-full {
    width: 100%;
}

.btn-small {
    padding: 8px 12px;
    font-size: 0.8rem;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 300;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: var(--card-bg);
    border-radius: 24px;
    width: 90%;
    max-width: 450px;
    max-height: 90vh;
    overflow-y: scroll;
    overflow-x: hidden;
    box-shadow: var(--shadow-lg);
    transform: translateY(-20px);
    transition: transform 0.3s ease;
    /* Hide scrollbar while keeping scrolling functionality */
    scrollbar-width: none;
    -ms-overflow-style: none;
    border: 1px solid var(--border-color);
}

.modal-content::-webkit-scrollbar {
    display: none;
}

.modal.show .modal-content {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    font-size: 1.2rem;
}

.modal-body {
    padding: 25px;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    transition: color 0.2s ease;
}

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

/* Custom Date Filter Modal — Single Calendar */
.date-filter-modal-content {
    max-width: 360px;
    width: 92%;
    background: var(--card-bg);
    color: var(--text-primary);
    max-height: 90vh;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.date-filter-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
}

.date-filter-header h2 {
    font-size: 1rem;
    font-weight: 600;
}

/* Step indicator row */
.date-step-indicator {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--input-bg);
    border-radius: 8px;
    padding: 10px 14px;
    margin-bottom: 12px;
}

.date-step {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
    border-radius: 6px;
    padding: 6px 8px;
    transition: background 0.2s;
}

.date-step.active {
    background: rgba(99, 102, 241, 0.18);
    outline: 1px solid var(--primary-color);
}

.step-label {
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.step-value {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-primary);
}

.step-value.placeholder {
    color: var(--text-secondary);
    font-weight: 400;
}

.step-arrow {
    color: var(--text-secondary);
    font-size: 1rem;
}

.date-filter-body {
    padding: 12px 16px;
}

.calendar-wrapper {
    margin-bottom: 0;
}

.calendar-container {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.calendar-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 6px;
}

.calendar-nav h3 {
    font-size: 0.85rem;
    font-weight: 600;
    flex: 1;
    text-align: center;
}

.calendar-nav-btn {
    background: none;
    border: 1px solid #444;
    color: #aaa;
    width: 26px;
    height: 26px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.calendar-nav-btn:hover {
    background: #333;
    color: #fff;
    border-color: #555;
}

.calendar {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 3px;
}

.calendar-day-header {
    text-align: center;
    font-size: 0.6rem;
    font-weight: 600;
    color: #888;
    padding: 4px 2px;
    text-transform: uppercase;
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--input-bg);
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.75rem;
    color: var(--text-secondary);
    transition: all 0.15s ease;
    border: 2px solid transparent;
}

.calendar-day:hover:not(.inactive) {
    background: var(--border-color);
    color: var(--text-primary);
}

.calendar-day.today {
    background: #ff4757;
    color: white;
    font-weight: 600;
}

.calendar-day.selected {
    background: var(--primary-color);
    color: #fff;
    border-color: rgba(255,255,255,0.3);
}

.calendar-day.in-range {
    background: rgba(99, 102, 241, 0.22);
    color: var(--text-primary);
}

.calendar-day.inactive {
    color: var(--border-color);
    cursor: not-allowed;
    background: transparent;
}

.date-filter-footer {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    padding: 10px 16px;
    border-top: 1px solid #333;
}

.btn-secondary {
    background: #333;
    color: #ccc;
    border: 1px solid #444;
    padding: 8px 18px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.btn-secondary:hover {
    background: #444;
    color: #fff;
    border-color: #555;
}

/* Form Styles */
.card-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.card-form.hidden {
    display: none;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input {
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.2s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-hint {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

.form-info {
    background-color: var(--bg-color);
    padding: 10px 15px;
    border-radius: 6px;
    text-align: center;
}

.form-info small {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

/* CSV Form */
.csv-info {
    background-color: var(--bg-color);
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.csv-info p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.csv-info code {
    background-color: var(--card-bg);
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 0.85rem;
    display: block;
}

.file-upload {
    position: relative;
    margin-bottom: 20px;
}

.file-upload input[type="file"] {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.file-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px;
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: border-color 0.2s ease;
}

.file-label:hover {
    border-color: var(--primary-color);
}

.file-icon {
    font-size: 2rem;
    margin-bottom: 10px;
}

.file-text {
    color: var(--text-secondary);
}

.file-name {
    display: block;
    margin-top: 10px;
    font-size: 0.9rem;
    color: var(--primary-color);
    text-align: center;
}

/* Edit Card Modal */
.edit-card-details {
    margin-bottom: 20px;
}

.detail-card-preview {
    background: #2d2d2d;
    border-radius: 12px;
    padding: 20px;
    color: white;
    margin-bottom: 20px;
    border: 0.9px solid white;
}

.detail-group {
    margin-bottom: 15px;
}

.detail-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    margin-bottom: 4px;
}

.detail-value {
    font-size: 1rem;
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
}

/* Tags Section */
.tags-section {
    margin-bottom: 20px;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

.tags-section h3 {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    margin-bottom: 12px;
}

.tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 15px;
    min-height: 30px;
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background-color: var(--bg-color);
    color: var(--text-primary);
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
}

.tag-remove {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1rem;
    line-height: 1;
    padding: 0;
    transition: color 0.2s ease;
}

.tag-remove:hover {
    color: var(--danger-color);
}

.no-tags {
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-style: italic;
}

.add-tag-form {
    display: flex;
    gap: 8px;
}

.add-tag-form input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.85rem;
}

.add-tag-form input:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Tag Suggestion Buttons */
.tag-suggestions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 10px;
}

.tag-suggestion-btn {
    padding: 7px 16px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    background: var(--input-bg);
    color: var(--text-secondary);
    font-size: 0.82rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tag-suggestion-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: rgba(99, 102, 241, 0.1);
}

.tag-suggestion-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
    font-weight: 600;
}

.tag-suggestion-btn[data-tag="used"].active {
    background: #10b981;
    border-color: #10b981;
    color: #fff;
}

.tag-suggestion-btn[data-tag="do not use"].active {
    background: #ef4444;
    border-color: #ef4444;
    color: #fff;
}

.tag-custom-btn {
    border-style: dashed;
}

.tag-custom-btn.open {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: rgba(99, 102, 241, 0.1);
    border-style: solid;
}

.custom-tag-input-row {
    display: flex;
    gap: 8px;
    margin-top: 10px;
    align-items: center;
}

.custom-tag-input-row.hidden {
    display: none;
}

.custom-tag-input-row input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.85rem;
    background: var(--input-bg);
    color: var(--text-primary);
    outline: none;
    transition: border-color 0.2s ease;
}

.custom-tag-input-row input:focus {
    border-color: var(--primary-color);
}

/* Overlay */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.overlay.show {
    opacity: 1;
    visibility: visible;
}

/* Copy Toast */
.copy-toast {
    position: fixed;
    top: 16px;
    right: 16px;
    transform: translateX(calc(100% + 20px));
    background: #1e1e2e;
    color: #e2e8f0;
    padding: 9px 14px;
    border-radius: 8px;
    font-size: 0.8rem;
    z-index: 99996;
    opacity: 0;
    transition: transform 0.28s cubic-bezier(0.34, 1.26, 0.64, 1), opacity 0.22s ease;
    box-shadow: 0 4px 20px rgba(0,0,0,0.4);
    border: 1px solid rgba(255,255,255,0.08);
    border-left: 3px solid #6366f1;
    white-space: nowrap;
}

.copy-toast.show {
    transform: translateX(0);
    opacity: 1;
}

/* Add Card Button icon layout */
.btn-icon {
    flex-shrink: 0;
}

/* Mobile-only bulk actions bar (below filters) */
.bulk-actions-mobile {
    display: none;
}

.bulk-actions-mobile.show {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 10px 14px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    margin-bottom: 12px;
}

.bulk-actions-count-mobile {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
}

.bulk-actions-mobile-btns {
    display: flex;
    gap: 8px;
}

.bulk-actions-mobile-btns .btn {
    padding: 7px 14px;
    font-size: 0.82rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    /* Header */
    .header {
        padding: 12px 16px;
        gap: 10px;
        flex-wrap: nowrap;
    }

    /* On mobile, bulk bar is below filters (handled by .show class) */

    .header-logo {
        height: 26px;
    }

    .header-actions {
        gap: 8px;
        flex-shrink: 0;
    }

    /* Bulk actions — stack tightly on mobile */
    .bulk-actions-inline {
        gap: 6px;
        flex-wrap: nowrap;
    }

    .bulk-actions-count {
        font-size: 0.75rem;
        white-space: nowrap;
        margin-right: 2px;
    }

    .bulk-actions-inline .btn {
        padding: 7px 10px;
        font-size: 0.78rem;
        white-space: nowrap;
    }

    /* Add Card button — icon only on mobile */
    #add-card-btn .btn-text {
        display: none;
    }

    #add-card-btn {
        padding: 8px 12px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    /* Main content */
    .main-content {
        padding: 16px;
        padding-bottom: 100px; /* prevent last card being cropped by mobile browser UI */
    }

    /* Search bar — stack vertically */
    .search-filter-bar {
        flex-direction: column;
        gap: 10px;
        align-items: stretch;
    }

    .search-input {
        width: 100%;
        font-size: 0.9rem;
    }

    .filters-container {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 8px;
        align-items: center;
    }

    .btn-select-mode {
        font-size: 0.82rem;
        padding: 8px 10px;
    }

    .custom-dropdown-btn {
        font-size: 0.82rem;
        padding: 8px 10px;
        min-width: unset;
        width: 100%;
    }

    .btn-clear-filters {
        font-size: 0.82rem;
        padding: 8px 10px;
        display: flex;
        align-items: center;
        gap: 5px;
        justify-content: center;
    }

    /* Date range picker */
    .date-range-picker-wrapper {
        width: 100%;
        margin-top: 8px;
    }

    .date-range-picker {
        width: 100%;
        flex-direction: column;
        gap: 8px;
    }

    .date-separator {
        display: none;
    }

    .date-input {
        width: 100%;
        min-width: unset;
    }

    /* Date filter modal — already single-calendar, just ensure full width */
    .date-filter-modal-content {
        width: 96%;
    }

    .date-filter-body {
        padding: 10px 12px;
    }

    .date-filter-header {
        padding: 12px 12px;
    }

    .date-filter-footer {
        padding: 10px 12px;
    }

    /* Form — CVV on new line */
    .form-row {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    /* Cards grid */
    .cards-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    /* Modal */
    .modal-content {
        width: 96%;
        margin: 10px;
        border-radius: 16px;
    }
}

/* ─── PIN Lock Screen ─────────────────────────────────────────── */
.pin-lock-screen {
    position: fixed;
    inset: 0;
    background: var(--bg-color);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.pin-lock-screen.hidden {
    display: none;
}

.pin-lock-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    width: 100%;
    max-width: 360px;
    padding: 40px 24px;
}

.pin-lock-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.pin-lock-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
}

.pin-lock-subtitle {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-align: center;
    margin-top: -10px;
}

/* Dots */
.pin-dots {
    display: flex;
    gap: 16px;
    margin: 8px 0;
}

.pin-dot {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    background: transparent;
    transition: background 0.15s, border-color 0.15s, transform 0.15s;
}

.pin-dot.filled {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: scale(1.15);
}

/* Shake animation */
@keyframes pin-shake {
    0%, 100% { transform: translateX(0); }
    15%       { transform: translateX(-8px); }
    30%       { transform: translateX(8px); }
    45%       { transform: translateX(-6px); }
    60%       { transform: translateX(6px); }
    75%       { transform: translateX(-3px); }
    90%       { transform: translateX(3px); }
}

.pin-dots.shake {
    animation: pin-shake 0.45s ease;
}

/* Error / Cooldown messages */
.pin-error {
    font-size: 0.85rem;
    color: #ef4444;
    min-height: 20px;
    text-align: center;
    font-weight: 500;
}

.pin-cooldown {
    font-size: 0.85rem;
    color: #f59e0b;
    min-height: 20px;
    text-align: center;
    font-weight: 500;
}

/* Number Pad */
.pin-numpad {
    display: grid;
    grid-template-columns: repeat(3, 72px);
    gap: 14px;
}

.pin-key {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-primary);
    font-size: 1.4rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s, transform 0.1s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pin-key:hover:not(.pin-key-empty) {
    background: var(--input-bg);
    border-color: var(--primary-color);
}

.pin-key:active:not(.pin-key-empty) {
    transform: scale(0.92);
}

.pin-key-empty {
    background: transparent;
    border-color: transparent;
    cursor: default;
    pointer-events: none;
}

.pin-key-del {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.pin-key-del:hover {
    color: #ef4444;
    border-color: #ef4444;
}

/* Forgot PIN */
.pin-forgot-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    text-decoration: underline;
    margin-top: 4px;
    transition: color 0.15s;
}

.pin-forgot-btn:hover {
    color: #ef4444;
}

/* Disabled numpad during cooldown */
.pin-numpad.disabled .pin-key {
    opacity: 0.35;
    pointer-events: none;
}

/* ─── Toast Notifications ──────────────────────────────────── */
#toast-container {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 99997;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
}

.app-toast {
    pointer-events: all;
    display: flex;
    align-items: center;
    gap: 10px;
    background: #1e1e2e;
    border: 1px solid rgba(255,255,255,0.08);
    border-left: 3px solid var(--toast-accent, #6366f1);
    border-radius: 8px;
    padding: 10px 12px 14px 12px; /* extra bottom for progress bar */
    min-width: 240px;
    max-width: 320px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.4);
    position: relative;
    overflow: hidden;
    /* slide in from right */
    transform: translateX(calc(100% + 20px));
    opacity: 0;
    transition: transform 0.28s cubic-bezier(0.34, 1.26, 0.64, 1), opacity 0.22s ease;
}

.app-toast.show {
    transform: translateX(0);
    opacity: 1;
}

.toast-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.toast-msg {
    flex: 1;
    font-size: 0.82rem;
    color: #e2e8f0;
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.toast-close {
    flex-shrink: 0;
    background: none;
    border: none;
    color: #888;
    font-size: 1.1rem;
    cursor: pointer;
    line-height: 1;
    padding: 0 2px;
    transition: color 0.15s;
}

.toast-close:hover {
    color: #fff;
}

/* Progress bar at bottom */
.toast-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--toast-accent, #6366f1);
    opacity: 0.5;
    border-radius: 0 0 0 5px;
}

@media (max-width: 480px) {
    #toast-container {
        top: 10px;
        right: 10px;
        left: 10px;
    }
    .app-toast {
        max-width: 100%;
        min-width: unset;
    }
    .toast-msg {
        white-space: normal;
        font-size: 0.78rem;
    }
}