:root {
    --primary: #eaa9b8;
    --primary-dark: #d4899a;
    --primary-light: #f5d4dc;
    --background: #faf8f9;
    --foreground: #2d2a2b;
    --card: #ffffff;
    --border: #e8e0e3;
    --muted: #6b6568;
    --destructive: #ef4444;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--background);
    color: var(--foreground);
    line-height: 1.6;
}

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

/* Header */
.header {
    background: var(--card);
    border-bottom: 1px solid var(--border);
    padding: 15px 20px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--foreground);
    text-decoration: none;
}

.logo img {
    height: 40px;
    width: auto;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-badge {
    background: var(--primary-light);
    color: var(--primary-dark);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.875rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s;
}

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

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

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

.btn-secondary:hover {
    background: var(--border);
}

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

.btn-danger:hover {
    background: #dc2626;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
}

.btn-icon {
    padding: 8px;
    width: 36px;
    height: 36px;
    justify-content: center;
}

/* Cards */
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 15px;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.card-description {
    color: var(--muted);
    font-size: 0.875rem;
    margin-top: 4px;
}

/* Forms */
.form-group {
    margin-bottom: 15px;
}

.form-label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    font-size: 0.875rem;
}

.form-input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.2s;
}

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

/* Tabs */
.tabs {
    display: flex;
    gap: 5px;
    margin-bottom: 20px;
    background: var(--background);
    padding: 5px;
    border-radius: 10px;
    flex-wrap: wrap;
}

.tab {
    padding: 10px 20px;
    border: none;
    background: transparent;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--muted);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.tab.active, .tab:hover {
    background: var(--card);
    color: var(--foreground);
}

/* Lists */
.list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    border: 1px solid var(--border);
    border-radius: 10px;
    margin-bottom: 10px;
    background: var(--card);
    transition: transform 0.1s;
}

.list-item:hover {
    transform: translateY(-1px);
}

.list-item-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.list-item-icon {
    width: 45px;
    height: 45px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

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

.icon-file {
    background: #e0e7ff;
    color: #4f46e5;
}

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

.list-item-details h4 {
    font-weight: 500;
    margin-bottom: 2px;
}

.list-item-details span {
    font-size: 0.8rem;
    color: var(--muted);
}

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

/* Breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 15px;
    font-size: 0.875rem;
}

.breadcrumb a {
    color: var(--muted);
    text-decoration: none;
}

.breadcrumb a:hover {
    color: var(--primary);
}

.breadcrumb span {
    color: var(--muted);
}

/* Drop zone */
.drop-zone {
    border: 2px dashed var(--border);
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    color: var(--muted);
    transition: all 0.2s;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.drop-zone.dragover {
    border-color: var(--primary);
    background: var(--primary-light);
}

.drop-zone-icon {
    font-size: 3rem;
    margin-bottom: 15px;
    opacity: 0.5;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--card);
    border-radius: 12px;
    padding: 25px;
    max-width: 450px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    margin-bottom: 20px;
}

.modal-header h3 {
    font-size: 1.25rem;
    margin-bottom: 5px;
}

.modal-header p {
    color: var(--muted);
    font-size: 0.875rem;
}

.modal-footer {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 20px;
}

/* Login page */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-box {
    background: var(--card);
    border-radius: 16px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.login-logo {
    text-align: center;
    margin-bottom: 30px;
}

.login-logo img {
    max-height: 60px;
    margin-bottom: 15px;
}

.login-logo h1 {
    font-size: 1.5rem;
    color: var(--foreground);
}

.error-message {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #dc2626;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 0.875rem;
}

.success-message {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    color: #16a34a;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 0.875rem;
}

/* Badge */
.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
}

.badge-primary {
    background: var(--primary-light);
    color: var(--primary-dark);
}

/* Checkbox list */
.checkbox-list {
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px;
    cursor: pointer;
}

.checkbox-item:hover {
    background: var(--background);
    border-radius: 6px;
}

.checkbox-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
}

/* Responsive */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 15px;
    }
    
    .card-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .list-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .list-item-actions {
        width: 100%;
        justify-content: flex-end;
    }
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--muted);
}

.empty-state-icon {
    font-size: 4rem;
    opacity: 0.3;
    margin-bottom: 20px;
}

/* Action buttons group */
.action-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* Settings section */
.settings-section {
    padding-top: 20px;
    border-top: 1px solid var(--border);
    margin-top: 20px;
}

.settings-row {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 15px;
}

.logo-preview {
    width: 80px;
    height: 80px;
    border: 1px solid var(--border);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.logo-preview img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}