:root {
    --primary: #4361ee;
    --primary-dark: #3a56d4;
    --primary-light: #eef2ff;
    --success: #4cc9f0;
    --success-dark: #3aa8d4;
    --warning: #f8961e;
    --error: #f72585;
    --light: #f8f9fa;
    --dark: #212529;
    --gray: #6c757d;
    --gray-light: #e9ecef;
    --border: #dee2e6;
    --card-bg: #ffffff;
    --sidebar-bg: #2b2d42;
    --sidebar-active: #4361ee;
    --sidebar-text: #adb5bd;
    --sidebar-width: 280px;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
    --border-radius: 12px;
}

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

body {
    font-family: 'Segoe UI', 'Roboto', sans-serif;
    background-color: #f5f7fa;
    color: var(--dark);
    line-height: 1.6;
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    color: white;
    padding: 2rem 1rem;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    box-shadow: var(--shadow);
    z-index: 100;
    transition: var(--transition);
}

.sidebar-header {
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sidebar-header h1 {
    font-size: 1.5rem;
    font-weight: 600;
    color: white;
}

.sidebar-header .logo {
    font-size: 1.75rem;
    color: var(--success);
}

.sidebar-nav {
    margin-bottom: 2rem;
}

.nav-title {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 0.75rem;
    padding-left: 0.5rem;
    margin-top: 1.5rem;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    border-radius: 6px;
    margin-bottom: 0.25rem;
    cursor: pointer;
    transition: var(--transition);
    color: var(--sidebar-text);
    text-decoration: none;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.nav-item.active {
    background: var(--sidebar-active);
    color: white;
}

.nav-item i {
    margin-right: 0.75rem;
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

.add-category {
    display: flex;
    margin-top: 0.5rem;
    padding: 0 0.5rem;
}

.add-category input {
    flex: 1;
    padding: 0.5rem 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 0.85rem;
    margin-right: 0.5rem;
}

.add-category input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.add-category button {
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 6px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.add-category button:hover {
    background: var(--primary-dark);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 2rem;
    transition: var(--transition);
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.header h2 {
    font-size: 1.75rem;
    color: var(--dark);
    font-weight: 600;
}

.search-box {
    position: relative;
    width: 300px;
    min-width: 200px;
}

.search-box input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    background-color: var(--card-bg);
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
}

.search-box i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray);
}

/* Stats Cards */
.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-icon.total {
    background: var(--primary-light);
    color: var(--primary);
}

.stat-icon.pinned {
    background: rgba(248, 150, 30, 0.1);
    color: var(--warning);
}

.stat-icon.protected {
    background: rgba(247, 37, 133, 0.1);
    color: var(--error);
}

.stat-icon.popular {
    background: rgba(76, 201, 240, 0.1);
    color: var(--success);
}

.stat-info h3 {
    font-size: 1.5rem;
    color: var(--dark);
    margin-bottom: 0.25rem;
}

.stat-info p {
    color: var(--gray);
    font-size: 0.9rem;
}

/* Sections */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.section-header h3 {
    font-size: 1.25rem;
    color: var(--dark);
}

.view-all {
    color: var(--primary);
    font-size: 0.9rem;
    text-decoration: none;
    transition: var(--transition);
}

.view-all:hover {
    text-decoration: underline;
}

/* Recent Commands */
.recent-commands, .popular-commands {
    margin-bottom: 2rem;
}

/* Categories Grid */
.categories-grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
}

.category-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.category-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    background: var(--primary-light);
}

.category-icon {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.category-card h4 {
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.category-card p {
    color: var(--gray);
    font-size: 0.9rem;
}

/* Badges */
.badge {
    background: var(--primary);
    color: white;
    border-radius: 10px;
    padding: 0.25rem 0.5rem;
    font-size: 0.7rem;
    margin-left: auto;
}

/* View Containers */
.view-container {
    display: none;
}

/* Command Form */
.command-form {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
    border: 1px solid var(--border);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.9rem;
    transition: var(--transition);
    background-color: var(--light);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
    background-color: white;
}

.form-group textarea {
    min-height: 120px;
    resize: none;
    line-height: 1.5;
}

.category-select-wrapper {
    position: relative;
}

.category-select-wrapper i {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    color: var(--gray);
}

.pin-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pin-group input {
    flex: 1;
}

.pin-toggle {
    padding: 0.75rem;
    border-radius: 6px;
    background: var(--light);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.pin-toggle:hover {
    background: var(--border);
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 1rem;
}

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 2px 4px rgba(67, 97, 238, 0.3);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(67, 97, 238, 0.3);
}

.btn-secondary {
    background: var(--light);
    color: var(--dark);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: #e9ecef;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
}

/* Commands Archive */
.archive-container {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.archive-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.archive-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--dark);
}

.filter-buttons {
    display: flex;
    gap: 0.5rem;
}

.filter-btn {
    padding: 0.5rem 1rem;
    border-radius: 6px;
    background: var(--light);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.8rem;
}

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

/* Commands Grid */
.commands-grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.command-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    padding: 1.25rem;
    transition: var(--transition);
    position: relative;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
}

.command-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.command-card.pinned {
    border-left: 4px solid var(--warning);
    background-color: rgba(248, 150, 30, 0.05);
}

.command-card.protected {
    background-color: rgba(247, 37, 133, 0.05);
}

.command-card-header {
    margin-bottom: 1rem;
}

.command-category-badge {
    display: inline-block;
    background: rgba(67, 97, 238, 0.1);
    color: var(--primary);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.command-label {
    font-weight: 600;
    font-size: 1rem;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.command-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.command-pin {
    color: var(--warning);
    font-size: 0.9rem;
}

.command-protected {
    color: var(--error);
    font-size: 0.9rem;
}

.command-content {
    font-family: 'Roboto Mono', monospace;
    font-size: 0.85rem;
    color: var(--dark);
    background: var(--light);
    padding: 1rem;
    border-radius: 8px;
    overflow-x: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
    margin-bottom: 1rem;
    border: 1px solid var(--border);
    flex-grow: 1;
}

.protected-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    text-align: center;
    color: var(--gray);
    flex-grow: 1;
}

.protected-content i {
    font-size: 2rem;
    color: var(--error);
    margin-bottom: 1rem;
}

.command-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    margin-top: auto;
}

.command-btn {
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

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

.command-btn.copy:hover {
    background: var(--success-dark);
    transform: translateY(-1px);
}

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

.command-btn.view:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.command-btn.pin {
    background: var(--warning);
    color: white;
}

.command-btn.pin:hover {
    background: #e07e0c;
    transform: translateY(-1px);
}

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

.command-btn.delete:hover {
    background: #e3175a;
    transform: translateY(-1px);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    backdrop-filter: blur(3px);
}

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

.modal-content {
    background: var(--card-bg);
    width: 100%;
    max-width: 500px;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transform: translateY(-20px);
    transition: all 0.3s;
    border: 1px solid var(--border);
}

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

.modal-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--dark);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--gray);
    transition: var(--transition);
    line-height: 1;
}

.modal-close:hover {
    color: var(--dark);
    transform: rotate(90deg);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

.pin-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    margin-bottom: 1rem;
    text-align: center;
    letter-spacing: 2px;
    transition: var(--transition);
}

.pin-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
}

/* Notifications */
.notification {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    color: white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transform: translateX(120%);
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

.notification.success {
    background: var(--success);
    border-left: 4px solid var(--success-dark);
}

.notification.error {
    background: var(--error);
    border-left: 4px solid #e3175a;
}

.notification.warning {
    background: var(--warning);
    border-left: 4px solid #e07e0c;
}

.notification i {
    font-size: 1.25rem;
}

/* Empty State */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    text-align: center;
    color: var(--gray);
    grid-column: 1 / -1;
}

.empty-state i {
    font-size: 3rem;
    color: var(--gray-light);
    margin-bottom: 1rem;
}

.empty-state p {
    font-size: 1.1rem;
    max-width: 400px;
    margin: 0 auto;
}

/* Loading Spinner */
.spinner {
    display: inline-block;
    width: 1.5rem;
    height: 1.5rem;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

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

/* Responsive */
@media (max-width: 992px) {
    .sidebar {
        width: 250px;
    }
    
    .main-content {
        margin-left: 250px;
    }
}

@media (max-width: 768px) {
    body {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        position: static;
        height: auto;
        padding: 1rem;
    }
    
    .main-content {
        margin-left: 0;
        padding: 1.5rem;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .commands-grid-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .search-box {
        width: 100%;
    }
    
    .archive-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .filter-buttons {
        width: 100%;
        overflow-x: auto;
        padding-bottom: 0.5rem;
    }
    
    .modal-content {
        margin: 0 1rem;
    }
}