:root {
    --primary-color: #1a73e8;
    --secondary-color: #185abc;
    --error-color: #d93025;
    --success-color: #1e8e3e;
    --background-color: #f5f5f5;
    --card-background: #ffffff;
    --text-color: #202124;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Authentication Forms */
.auth-form {
    background: var(--card-background);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    max-width: 400px;
    margin: 40px auto;
}

.hidden {
    display: none !important;
}

.auth-form h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 30px;
}

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

input[type="text"],
input[type="password"],
input[type="email"],
input[type="url"],
textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
    font-size: 16px;
}

input:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

button {
    background-color: var(--primary-color);
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    width: 100%;
    font-size: 16px;
    transition: background-color 0.3s;
}

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

.form-switch {
    text-align: center;
    margin-top: 20px;
}

.form-switch a {
    color: var(--primary-color);
    text-decoration: none;
}

/* Dashboard */
.dashboard {
    background: var(--card-background);
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin: 20px auto;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid #eee;
    background-color: var(--card-background);
    border-radius: 8px 8px 0 0;
}

header h1 {
    margin: 0;
    font-size: 24px;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.logout-btn {
    width: auto;
    background-color: #dc3545;
}

.logout-btn:hover {
    background-color: #bd2130;
}

.dashboard-content {
    padding: 20px;
}

/* Main Navigation */
.main-nav {
    display: flex;
    align-items: center;
    gap: 15px;
}

.nav-btn {
    background-color: var(--primary-color);
    color: white;
    padding: 10px 20px;
    border-radius: 4px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s;
}

.nav-btn:hover {
    background-color: var(--secondary-color);
    text-decoration: none;
    color: white;
}

.nav-btn.active {
    background-color: var(--secondary-color);
}

.nav-btn i {
    font-size: 16px;
}

/* Password Cards */
.passwords-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

/* Password Card Styles */
.password-card {
    background: var(--card-background);
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
    padding: 20px;
    margin-bottom: 20px;
    overflow: hidden;
}

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

.password-card h4 {
    margin: 0 0 15px 0;
    color: var(--primary-color);
    font-size: 18px;
    word-break: break-word;
}

.password-info {
    margin-bottom: 15px;
}

.password-info > div {
    margin-bottom: 8px;
    word-break: break-word;
}

.password-info a {
    color: var(--primary-color);
    text-decoration: none;
    word-break: break-all;
}

.password-info a:hover {
    text-decoration: underline;
}

.password-field {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 8px 0;
}

.password-field input[type="password"],
.password-field input[type="text"] {
    flex: 1;
    margin: 0;
    max-width: calc(100% - 40px);
}

.password-field button {
    width: 32px;
    height: 32px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* Tags Container */
.tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 15px 0;
}

.tag {
    background: #e8f0fe;
    color: var(--primary-color);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.tag button {
    background: none;
    border: none;
    color: inherit;
    padding: 0;
    margin-left: 4px;
    cursor: pointer;
    opacity: 0.7;
    font-size: 16px;
    width: 20px;
    height: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.tag button:hover {
    opacity: 1;
    background-color: rgba(0, 0, 0, 0.1);
}

/* Action Buttons */
.password-actions {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.password-actions button {
    flex: 1;
    max-width: 120px;
}

.edit-btn {
    background-color: #1e8e3e;
}

.edit-btn:hover {
    background-color: #218838;
}

.delete-btn {
    background-color: var(--error-color);
}

.delete-btn:hover {
    background-color: #c82333;
}

.add-tag-btn {
    background-color: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    padding: 4px 8px;
    font-size: 14px;
    width: auto;
}

.add-tag-btn:hover {
    background-color: #e8f0fe;
}

/* Notes section */
.password-info .notes {
    white-space: pre-wrap;
    word-break: break-word;
    background: #f8f9fa;
    padding: 8px;
    border-radius: 4px;
    margin-top: 8px;
}

/* Password list container */
#passwordsList {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    padding: 20px 0;
}

/* Tag Management Interface */
.tag-input-container {
    position: relative;
    display: inline-block;
}

.tag-popup {
    position: fixed;
    margin-top: 5px;
    transform: translateY(-50%);
    background: white;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    z-index: 1000;
    width: 200px;
    display: none;
}

.tag-popup.show {
    display: block;
}

.tag-popup input {
    width: calc(100% - 16px);
    margin: 8px;
    padding: 6px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.existing-tags {
    max-height: 150px;
    overflow-y: auto;
    border-top: 1px solid #eee;
}

.existing-tags div {
    padding: 8px;
    cursor: pointer;
    transition: background 0.2s;
}

.existing-tags div:hover {
    background: #f0f0f0;
}

.tag-actions {
    padding: 8px;
    display: flex;
    gap: 8px;
    border-top: 1px solid #eee;
}

.tag-actions button {
    flex: 1;
    padding: 6px;
    font-size: 14px;
}

/* Tag filter styling */
#tagInput {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    margin-bottom: 15px;
    font-size: 14px;
    background-color: white;
}

#tagInput:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(26, 115, 232, 0.1);
}

/* Error Handling Styles */
.error-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 200px;
    padding: 20px;
}

.error-message {
    background-color: #fff3f3;
    border: 1px solid #ffcdd2;
    border-radius: 4px;
    padding: 20px;
    text-align: center;
    color: #d32f2f;
    max-width: 400px;
    margin: 20px auto;
}

.error-message i {
    font-size: 24px;
    margin-bottom: 10px;
}

.error-message h3 {
    margin: 10px 0;
    color: #d32f2f;
}

.error-message button {
    background-color: #d32f2f;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    margin-top: 10px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.error-message button:hover {
    background-color: #b71c1c;
}

/* Responsive Design */
@media (max-width: 768px) {
    .form-row {
        flex-direction: column;
    }
    
    .password-actions {
        flex-direction: column;
    }
    
    .passwords-grid {
        grid-template-columns: 1fr;
    }
    
    .main-nav {
        flex-direction: column;
        gap: 10px;
    }
    
    header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .nav-btn {
        width: 100%;
        justify-content: center;
    }
}