:root {
    --bg-primary: #0f0f1e;
    --bg-secondary: #1a1a2e;
    --bg-card: #252538;
    --bg-card-hover: #2d2d42;
    --text-primary: #e4e4e7;
    --text-secondary: #a0a0ab;
    --accent: #1658a2;
    --accent-hover: #1e6bc4;
    --danger: #dc2626;
    --danger-hover: #ef4444;
    --success: #16a34a;
    --border: #3a3a4e;
    --shadow: rgba(0, 0, 0, 0.3);
    --warning: #f59e0b;
    --star: #fbbf24;
    --info: #3b82f6;
}

[data-theme="light"] {
    --bg-primary: #f5f5f7;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: #f9f9fb;
    --text-primary: #1a1a1e;
    --text-secondary: #6e6e73;
    --accent: #0066cc;
    --accent-hover: #0077ed;
    --danger: #dc2626;
    --danger-hover: #ef4444;
    --success: #16a34a;
    --border: #d1d1d6;
    --shadow: rgba(0, 0, 0, 0.1);
    --warning: #f59e0b;
    --star: #fbbf24;
    --info: #3b82f6;
}

/* ========== RESET & BASE ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background 0.3s, color 0.3s;
    overflow-x: hidden;
}

/* ========== LANDING PAGE ========== */
.landing {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem;
    text-align: center;
    position: relative;
}

.logo {
    font-size: 4rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent), var(--success));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    letter-spacing: -2px;
}

[data-theme="dark"] .logo {
    background: linear-gradient(135deg, #ffffff, #e4e4e7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 3rem;
    max-width: 500px;
}

.landing-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.donate-link {
    position: absolute;
    bottom: 2rem;
    right: 2rem;
    padding: 0.5rem 1rem;
    background: transparent;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    border-radius: 8px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    opacity: 0.6;
}

.donate-link:hover {
    opacity: 1;
    background: var(--bg-card);
    color: var(--accent);
}

/* ========== BUTTONS ========== */
.btn {
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-decoration: none;
    font-family: inherit;
}

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

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 16px var(--shadow);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 2px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent);
}

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

.btn-success:hover {
    background: #15803d;
    transform: translateY(-2px);
    box-shadow: 0 8px 16px var(--shadow);
}

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

.btn-info:hover {
    background: #2563eb;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.btn-icon {
    padding: 0.6rem;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.2s;
}

.btn-icon:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

/* ========== EDITOR VIEW ========== */
.editor {
    display: none;
    flex-direction: column;
    min-height: 100vh;
    padding-bottom: 80px;
}

.editor.active {
    display: flex;
}

/* ========== HEADER ========== */
.header {
    background: var(--bg-secondary);
    padding: 1rem 2rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px var(--shadow);
    gap: 1rem;
    flex-wrap: wrap;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-small {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent), var(--success));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: nowrap;
}

[data-theme="dark"] .logo-small {
    background: linear-gradient(135deg, #ffffff, #e4e4e7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-center {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
    max-width: 500px;
}

.search-container {
    flex: 1;
    position: relative;
}

.search-input {
    width: 100%;
    padding: 0.6rem 2.5rem 0.6rem 1rem;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: inherit;
    transition: all 0.2s;
}

.search-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(22, 88, 162, 0.1);
}

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

.search-icon {
    position: absolute;
    right: 0.8rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    pointer-events: none;
}

.sort-select {
    padding: 0.6rem 2rem 0.6rem 0.8rem;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s;
    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='%23a0a0ab' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.6rem center;
}

.sort-select:focus {
    outline: none;
    border-color: var(--accent);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.theme-toggle {
    width: 50px;
    height: 26px;
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: 13px;
    position: relative;
    cursor: pointer;
    transition: all 0.3s;
    flex-shrink: 0;
}

.theme-toggle::after {
    content: '🌙';
    position: absolute;
    top: 1px;
    left: 2px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent);
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
}

[data-theme="light"] .theme-toggle::after {
    content: '☀️';
    left: 26px;
}

/* ========== CARDS CONTAINER ========== */
.cards-container {
    flex: 1;
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-secondary);
}

.empty-state svg {
    width: 100px;
    height: 100px;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* ========== CARD ========== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    transition: all 0.3s;
    box-shadow: 0 2px 8px var(--shadow);
    touch-action: pan-y;
}

.card.starred {
    border-color: var(--star);
    box-shadow: 0 2px 12px rgba(251, 191, 36, 0.2);
}

.card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px var(--shadow);
}

.card.swiping {
    transition: transform 0.1s;
}

.card.swipe-left {
    background: var(--danger);
    border-color: var(--danger);
}

.card.swipe-right {
    background: var(--accent);
    border-color: var(--accent);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
    gap: 1rem;
}

.card-title-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.card-title-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card-title {
    width: 100%;
    padding: 0.8rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    font-family: inherit;
    transition: all 0.2s;
}

.card-title:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(22, 88, 162, 0.1);
}

.card-actions {
    display: flex;
    gap: 0.3rem;
    flex-shrink: 0;
}

.card-star {
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: all 0.2s;
    font-size: 1.3rem;
    filter: grayscale(100%);
}

.card-star:hover {
    background: var(--bg-card-hover);
    transform: scale(1.1);
}

.card-star.active {
    filter: grayscale(0%);
}

.card-copy {
    color: var(--accent);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: all 0.2s;
    font-size: 1.2rem;
}

.card-copy:hover {
    background: var(--accent);
    color: white;
}

.card-delete {
    color: var(--danger);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: all 0.2s;
    font-size: 1.2rem;
}

.card-delete:hover {
    background: var(--danger);
    color: white;
}

.add-field-btn {
    width: 100%;
    padding: 0.8rem;
    margin-top: 1rem;
    background: transparent;
    border: 1px dashed var(--border);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
}

.add-field-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--bg-card-hover);
}

/* ========== FIELD ========== */
.field {
    margin-bottom: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.field-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.field-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.field-actions {
    display: flex;
    gap: 0.3rem;
}

.field-input-wrapper {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    position: relative;
}

.field input {
    flex: 1;
    padding: 0.8rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.2s;
}

.field input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(22, 88, 162, 0.1);
}

.field input[type="password"] {
    font-family: monospace;
    letter-spacing: 2px;
    padding-right: 3rem;
}

.field input[type="email"]:invalid {
    border-color: var(--danger);
}

.password-toggle {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    padding: 0.5rem;
    color: var(--text-secondary);
    user-select: none;
    z-index: 10;
}

.password-toggle:hover {
    color: var(--text-primary);
}

.password-strength {
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    overflow: hidden;
    margin-top: 0.5rem;
}

.password-strength-bar {
    height: 100%;
    transition: all 0.3s;
    border-radius: 2px;
}

.password-strength-bar.weak {
    width: 33%;
    background: var(--danger);
}

.password-strength-bar.medium {
    width: 66%;
    background: var(--warning);
}

.password-strength-bar.strong {
    width: 100%;
    background: var(--success);
}

.password-strength-label {
    font-size: 0.75rem;
    margin-top: 0.25rem;
    font-weight: 600;
}

.password-strength-label.weak {
    color: var(--danger);
}

.password-strength-label.medium {
    color: var(--warning);
}

.password-strength-label.strong {
    color: var(--success);
}

/* ========== ACTION BUTTONS ========== */
.add-card-btn {
    width: 100%;
    padding: 1.5rem;
    background: var(--bg-card);
    border: 2px dashed var(--border);
    border-radius: 16px;
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.add-card-btn:hover {
    border-color: var(--accent);
    background: var(--bg-card-hover);
    color: var(--accent);
}

.import-csv-area {
    width: 100%;
    padding: 2rem;
    background: var(--bg-card);
    border: 2px dashed var(--border);
    border-radius: 16px;
    color: var(--text-secondary);
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    margin-bottom: 1rem;
}

.import-csv-area:hover,
.import-csv-area.drag-over {
    border-color: var(--accent);
    background: var(--bg-card-hover);
    color: var(--accent);
}

.import-csv-area h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.import-csv-area p {
    font-size: 0.9rem;
    opacity: 0.8;
}

.temp-save-btn {
    width: 100%;
    padding: 1rem 1.5rem;
    background: var(--success);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.temp-save-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--shadow);
}

.temp-save-btn.active {
    background: var(--info);
}

.temp-save-warning {
    background: var(--warning);
    color: white;
    padding: 0.8rem 1rem;
    border-radius: 8px;
    font-size: 0.85rem;
    margin-bottom: 1rem;
    display: none;
    align-items: center;
    gap: 0.5rem;
}

.temp-save-warning.show {
    display: flex;
}

.fab {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    padding: 1.2rem 2rem;
    background: var(--success);
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(22, 163, 74, 0.4);
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    z-index: 50;
}

.fab:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 24px rgba(22, 163, 74, 0.5);
}

/* ========== MODAL ========== */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    backdrop-filter: blur(4px);
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--bg-secondary);
    border-radius: 20px;
    padding: 2rem;
    max-width: 500px;
    width: 100%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    animation: modalSlide 0.3s ease;
}

@keyframes modalSlide {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-align: center;
}

.modal-body {
    margin-bottom: 1.5rem;
}

.modal-input-wrapper {
    position: relative;
    margin-bottom: 1rem;
}

.modal-input,
.modal-select {
    width: 100%;
    padding: 1rem;
    background: var(--bg-primary);
    border: 2px solid var(--border);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
}

.modal-input[type="password"] {
    padding-right: 3rem;
}

.modal-input:focus,
.modal-select:focus {
    outline: none;
    border-color: var(--accent);
}

.modal-password-toggle {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: var(--text-secondary);
    user-select: none;
    font-size: 1.2rem;
}

.modal-password-toggle:hover {
    color: var(--text-primary);
}

.modal-actions {
    display: flex;
    gap: 1rem;
}

.modal-actions .btn {
    flex: 1;
}

.password-options {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.password-length {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.password-length input[type="range"] {
    flex: 1;
    height: 6px;
    background: var(--bg-primary);
    border-radius: 3px;
    outline: none;
    -webkit-appearance: none;
}

.password-length input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
}

.password-length input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

.password-preview {
    padding: 1rem;
    background: var(--bg-primary);
    border: 2px solid var(--border);
    border-radius: 12px;
    font-family: monospace;
    font-size: 1.1rem;
    text-align: center;
    word-break: break-all;
    min-height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    background: var(--bg-primary);
    border-radius: 8px;
}

.checkbox-group input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.checkbox-group label {
    cursor: pointer;
    user-select: none;
}

/* ========== NOTIFICATION ========== */
.notification {
    position: fixed;
    top: 2rem;
    right: 2rem;
    background: var(--success);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 16px var(--shadow);
    z-index: 2000;
    opacity: 0;
    transform: translateX(400px);
    transition: all 0.3s;
}

.notification.show {
    opacity: 1;
    transform: translateX(0);
}

.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.shortcuts-hint {
    position: fixed;
    bottom: 1rem;
    left: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.5rem 0.8rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
    z-index: 40;
}

.shortcuts-hint.show {
    opacity: 1;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    .logo {
        font-size: 2.5rem;
    }

    .landing-buttons {
        flex-direction: column;
        width: 100%;
    }

    .landing-buttons .btn {
        width: 100%;
    }

    .donate-link {
        bottom: 1rem;
        right: 1rem;
    }

    .header {
        padding: 1rem;
    }

    .logo-small {
        font-size: 1.2rem;
    }

    .header-center {
        order: 3;
        width: 100%;
        max-width: 100%;
    }

    .header-right {
        gap: 0.3rem;
    }

    .btn-small {
        padding: 0.4rem 0.8rem;
        font-size: 0.85rem;
    }

    .sort-select {
        font-size: 0.85rem;
        padding: 0.5rem 1.8rem 0.5rem 0.6rem;
    }

    .cards-container {
        padding: 1rem;
    }

    .card {
        padding: 1rem;
    }

    .card-header {
        flex-direction: column;
        align-items: stretch;
    }

    .card-actions {
        justify-content: flex-end;
    }

    .fab {
        bottom: 1rem;
        right: 1rem;
        padding: 1rem 1.5rem;
        font-size: 0.9rem;
    }

    .modal {
        padding: 1.5rem;
    }

    .notification {
        right: 1rem;
        left: 1rem;
    }

    .shortcuts-hint {
        display: none;
    }
}

.hidden {
    display: none !important;
}

#authenticatorBtn {
    cursor: pointer !important;
    pointer-events: auto !important;
    z-index: 10;
}

.landing-buttons {
    z-index: 1;
}

.landing-buttons .btn {
    pointer-events: auto;
}