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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

.header {
    background: rgba(255, 255, 255, 0.95);
    padding: 20px 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.welcome-text {
    color: #718096;
    font-size: 14px;
    font-weight: 500;
}

.logout-btn {
    background: linear-gradient(135deg, #f56565 0%, #e53e3e 100%);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.logout-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.header h1 {
    color: #5a67d8;
    font-size: 28px;
    font-weight: 600;
}

.header h1 i {
    margin-right: 10px;
}

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

.add-list-btn {
    background: linear-gradient(135deg, #48bb78 0%, #38a169 100%);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.add-list-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.add-entry-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.add-entry-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.board {
    display: flex;
    gap: 20px;
    padding: 30px;
    overflow-x: auto;
    min-height: calc(100vh - 100px);
}

.list {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 12px;
    min-width: 300px;
    max-width: 300px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
}

.list-header {
    padding: 15px 20px;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 12px 12px 0 0;
}

.list-actions {
    display: flex;
    gap: 5px;
    align-items: center;
}

.delete-list-btn {
    background: transparent;
    border: none;
    color: #f56565;
    cursor: pointer;
    padding: 5px;
    border-radius: 4px;
    transition: all 0.2s ease;
    font-size: 12px;
}

.delete-list-btn:hover {
    background: #fff5f5;
    color: #c53030;
}

.list-header h3 {
    color: #2d3748;
    font-size: 16px;
    font-weight: 600;
    margin: 0;
}

.add-card-btn {
    background: transparent;
    border: none;
    color: #718096;
    cursor: pointer;
    padding: 5px;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.add-card-btn:hover {
    background: #edf2f7;
    color: #4a5568;
}

.cards-container {
    padding: 15px;
    flex: 1;
    overflow-y: auto;
    max-height: calc(100vh - 200px);
}

.card {
    background: white;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 12px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border-left: 4px solid #667eea;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 10px;
}

.card-header h4 {
    color: #2d3748;
    font-size: 14px;
    font-weight: 600;
    margin: 0;
    flex: 1;
    word-wrap: break-word;
}

.card-actions {
    display: flex;
    gap: 5px;
}

.edit-btn, .delete-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 5px;
    border-radius: 4px;
    transition: all 0.2s ease;
    font-size: 12px;
}

.edit-btn {
    color: #4299e1;
}

.edit-btn:hover {
    background: #ebf8ff;
    color: #2b6cb0;
}

.delete-btn {
    color: #f56565;
}

.delete-btn:hover {
    background: #fff5f5;
    color: #c53030;
}

.card-field {
    display: flex;
    align-items: center;
    margin-bottom: 8px;
    font-size: 12px;
    color: #4a5568;
}

.card-field i {
    width: 20px;
    margin-right: 8px;
    color: #718096;
}

.url-link {
    color: #4299e1;
    text-decoration: none;
    flex: 1;
    word-wrap: break-word;
}

.url-link:hover {
    text-decoration: underline;
}

.username {
    flex: 1;
    word-wrap: break-word;
}

.password-field {
    position: relative;
}

.password {
    flex: 1;
    font-family: monospace;
    letter-spacing: 1px;
    word-wrap: break-word;
}

.copy-btn, .toggle-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 4px 6px;
    border-radius: 4px;
    transition: all 0.2s ease;
    margin-left: 5px;
    color: #718096;
    font-size: 11px;
}

.copy-btn:hover, .toggle-btn:hover {
    background: #edf2f7;
    color: #4a5568;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 30px;
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    position: relative;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    position: absolute;
    right: 20px;
    top: 15px;
}

.close:hover {
    color: #000;
}

.modal-content h2 {
    color: #2d3748;
    margin-bottom: 20px;
    font-size: 24px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: #4a5568;
    font-weight: 500;
    font-size: 14px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 10px 12px;
    border: 2px solid #e2e8f0;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.password-input-group {
    position: relative;
}

.password-input-group input {
    padding-right: 45px;
}

.toggle-password-btn {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    cursor: pointer;
    color: #718096;
    padding: 5px;
}

.form-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 25px;
}

.save-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.save-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.cancel-btn {
    background: #e2e8f0;
    color: #4a5568;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.cancel-btn:hover {
    background: #cbd5e0;
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #48bb78;
    color: white;
    padding: 15px 20px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    display: none;
    z-index: 2000;
    animation: toastSlideIn 0.3s ease;
}

@keyframes toastSlideIn {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.toast.show {
    display: block;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .header-left {
        align-items: center;
    }
    
    .header-actions {
        flex-direction: column;
        width: 100%;
        gap: 10px;
    }
    
    .add-list-btn,
    .add-entry-btn,
    .logout-btn {
        width: 100%;
    }
    
    .board {
        flex-direction: column;
        padding: 20px;
    }
    
    .list {
        min-width: 100%;
        max-width: 100%;
    }
    
    .modal-content {
        width: 95%;
        margin: 10% auto;
        padding: 20px;
    }
}

/* Scrollbar Styles */
.cards-container::-webkit-scrollbar {
    width: 6px;
}

.cards-container::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.cards-container::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 3px;
}

.cards-container::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}