:root {
    --primary-green: #166647;
    --primary-hover: #125239;
    --light-green: #f0f7f4;
    --background-gray: #f8f9fa;
    --border-gray: #e9ecef;
    --text-dark: #212529;
    --text-light: #6c757d;
    --white: #ffffff;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
    --radius-md: 8px;
    --radius-lg: 12px;
}

body {
    display: flex;
    margin: 0;
    font-family: 'Poppins', sans-serif;
    background-color: var(--background-gray);
    color: var(--text-dark);
    height: 100vh;
    overflow: hidden; 
}

* {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

.sidebar {
    width: 260px;
    background-color: var(--primary-green);
    color: var(--white);
    display: flex;
    flex-direction: column;
    padding: 24px;
    height: 100vh;
    position: sticky;
    top: 0;
    flex-shrink: 0;
    z-index: 1000;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar-header {
    margin-bottom: 30px;
    padding-left: 10px;
}
.sidebar-header h3 {
    margin: 0;
    font-weight: 700;
    font-size: 24px;
}
.sidebar-header p {
    margin: 0;
    font-size: 14px;
    opacity: 0.8;
}
.sidebar-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    text-decoration: none;
    color: var(--white);
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: all 0.2s ease;
    margin-bottom: 4px;
}
.sidebar-nav a:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateX(4px);
}
.sidebar-nav a.active {
    background-color: var(--white);
    color: var(--primary-green);
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.sidebar-nav a i {
    width: 20px;
    text-align: center;
}

.main-content {
    flex-grow: 1;
    padding: 30px;
    width: 100%;
    height: 100vh; 
    overflow-y: auto; 
    overflow-x: hidden;
    padding-bottom: 120px; 
}

.main-content::-webkit-scrollbar {
    width: 8px;
}
.main-content::-webkit-scrollbar-track {
    background: transparent;
}
.main-content::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}
.main-content::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

.main-header {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    margin-bottom: 30px;
    position: relative;
    z-index: 99;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-dark);
    cursor: pointer;
    margin-right: auto;
    padding: 8px;
    border-radius: 50%;
    transition: background-color 0.2s;
}
.menu-toggle:hover {
    background-color: var(--border-gray);
}

.menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s ease;
    backdrop-filter: blur(2px);
}
.menu-overlay.active {
    display: block;
    opacity: 1;
}

.logout-btn {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 600;
    padding: 8px 16px;
    border: 1px solid var(--border-gray);
    border-radius: var(--radius-md);
    transition: all 0.2s;
    font-size: 0;
    font-family: 'Poppins', sans-serif;
    display: flex;
    align-items: center;
    background-color: var(--white);
}
.logout-btn:hover {
    background-color: var(--border-gray);
    transform: translateY(-1px);
}
.logout-btn i {
    margin-right: 8px;
    font-size: 16px;
}
.logout-btn::after {
    content: 'uColab';
    font-size: 15px;
    font-weight: 600;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 20px;
}
.page-header h1 { 
    margin: 0; 
    font-family: 'Poppins', sans-serif; 
    font-size: 28px;
    color: var(--text-dark);
}
.page-header .subtitle { 
    margin: 8px 0 0; 
    color: var(--text-light); 
    font-size: 15px;
}

.btn-primary {
    background-color: var(--primary-green);
    color: var(--white);
    border: none;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: 'Poppins', sans-serif;
    font-size: 15px;
    box-shadow: 0 4px 6px rgba(22, 102, 71, 0.2);
}
.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(22, 102, 71, 0.3);
}
.btn-primary:active {
    transform: translateY(0);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}
.ip-stat-card { 
    background-color: var(--white); 
    padding: 24px; 
    border-radius: var(--radius-lg); 
    box-shadow: var(--shadow);
    transition: transform 0.2s;
}
.ip-stat-card:hover {
    transform: translateY(-3px);
}
.ip-stat-card h4 { 
    margin: 0 0 15px; 
    color: var(--text-light); 
    font-weight: 500; 
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.ip-stat-card .stat-main { 
    display: flex; 
    align-items: center; 
    gap: 16px; 
}
.ip-stat-card .stat-main i { 
    font-size: 24px; 
    color: var(--primary-green); 
    background-color: var(--light-green);
    padding: 12px;
    border-radius: 10px;
}
.ip-stat-card .stat-main span { 
    font-size: 32px; 
    font-weight: 700; 
    color: var(--text-dark);
}

.filters-container {
    display: flex;
    gap: 16px;
    align-items: center;
    background-color: var(--white);
    padding: 16px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    margin-bottom: 20px;
    flex-wrap: wrap;
}
.search-wrapper { 
    position: relative; 
    flex: 1; 
    min-width: 250px; 
}
.search-wrapper i { 
    position: absolute; 
    left: 16px; 
    top: 50%; 
    transform: translateY(-50%); 
    color: var(--text-light); 
}
#search-input { 
    width: 100%; 
    padding: 12px 16px 12px 48px; 
    border: 1px solid var(--border-gray); 
    border-radius: var(--radius-md); 
    background: var(--background-gray); 
    font-size: 15px; 
    font-family: 'Poppins', sans-serif; 
    transition: all 0.2s;
}
#search-input:focus { 
    outline: none; 
    border-color: var(--primary-green);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(22, 102, 71, 0.1);
}
.status-filters { 
    display: flex; 
    gap: 8px; 
    flex-wrap: wrap; 
}
.filter-btn { 
    padding: 10px 20px; 
    border: 1px solid var(--border-gray); 
    border-radius: var(--radius-md); 
    background-color: transparent; 
    color: var(--text-light); 
    font-weight: 500; 
    cursor: pointer; 
    transition: all 0.2s; 
    font-family: 'Poppins', sans-serif;
    font-size: 14px;
}
.filter-btn:hover { 
    background-color: var(--background-gray); 
    color: var(--text-dark); 
    border-color: #d1d5db;
}
.filter-btn.active { 
    background-color: var(--primary-green); 
    color: var(--white); 
    border-color: var(--primary-green); 
    font-weight: 600; 
}

.sub-filters-wrapper {
    display: flex;
    justify-content: space-between; 
    align-items: center;          
    margin-bottom: 30px;          
    flex-wrap: wrap;              
    gap: 20px;                    
}
.type-filters {
    display: inline-flex;
    background-color: #e9ecef;
    border-radius: 999px;
    padding: 4px;
    flex-wrap: nowrap;
    overflow-x: auto;
    max-width: 100%;
    scrollbar-width: none;
}
.type-filters::-webkit-scrollbar {
    display: none;
}
.type-filters .filter-btn {
    border: none;
    background: none;
    padding: 8px 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-light);
    border-radius: 999px;
    transition: all 0.2s ease;
    white-space: nowrap;
}
.type-filters .filter-btn:hover {
    color: var(--text-dark);
    background-color: rgba(255, 255, 255, 0.5);
}
.type-filters .filter-btn.active {
    background-color: var(--white);
    color: var(--primary-green);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    font-weight: 600;
}

.sort-container {
    display: flex;
    align-items: center;
}
.select-wrapper {
    position: relative;
    display: inline-block;
}
.sort-dropdown {
    appearance: none;
    -webkit-appearance: none;
    background-color: var(--white);
    border: 1px solid var(--border-gray);
    padding: 10px 40px 10px 16px;
    border-radius: var(--radius-md);
    font-family: 'Poppins', sans-serif;
    font-size: 14px;
    color: var(--text-dark);
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s;
    min-width: 180px;
}
.sort-dropdown:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(22, 102, 71, 0.1);
}
.select-icon {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    color: var(--text-light);
    font-size: 12px;
}

.ip-list { display: grid; gap: 20px; }
.ip-card { 
    display: flex; 
    gap: 20px; 
    align-items: flex-start; 
    padding: 24px; 
    background-color: var(--white); 
    border-radius: var(--radius-lg); 
    box-shadow: var(--shadow); 
    transition: all 0.2s ease;
}
.ip-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
}
.ip-icon { 
    font-size: 24px; 
    color: var(--primary-green); 
    padding: 12px;
    background-color: var(--light-green);
    border-radius: 12px;
    flex-shrink: 0;
}
.ip-details { flex-grow: 1; min-width: 0; }
.ip-details h3 { 
    margin: 0 0 8px; 
    font-size: 18px; 
    font-family: 'Poppins', sans-serif; 
    font-weight: 600;
    line-height: 1.4;
}
.ip-details .description { 
    font-size: 15px; 
    color: var(--text-light); 
    margin: 0 0 16px; 
    line-height: 1.6;
}
.ip-tags { 
    display: flex; 
    flex-wrap: wrap; 
    gap: 8px; 
    margin-bottom: 20px; 
    align-items: center; 
}
.ip-tags .tag { 
    padding: 6px 14px; 
    border-radius: 20px; 
    font-size: 12px; 
    font-weight: 500; 
    font-family: 'Poppins', sans-serif; 
    letter-spacing: 0.3px;
}
.tag.tag-granted { background-color: #d1e7dd; color: #0f5132; }
.tag.tag-filed { background-color: #cfe2ff; color: #0a3675; }
.tag.tag-type { background-color: #f8f9fa; border: 1px solid var(--border-gray); color: var(--text-dark); }
.tag.tag-number { background-color: #e9ecef; color: #495057; font-family: monospace; font-size: 13px; }
.tag.tag-startup { background-color: #f0f7f4; color: var(--primary-green); border: 1px solid var(--primary-green); font-weight: 600; }

.ip-meta { 
    font-size: 14px; 
    color: var(--text-light); 
    border-top: 1px solid var(--border-gray);
    padding-top: 16px; 
    margin-top: 4px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
}
.ip-meta p { margin: 0; display: flex; gap: 6px; }
.ip-meta strong { font-weight: 600; color: var(--text-dark); }

.ip-actions { 
    display: flex; 
    flex-direction: column; 
    gap: 8px; 
    padding-left: 10px; 
    border-left: 1px solid var(--border-gray);
}
.icon-btn { 
    border: none; 
    background: transparent; 
    cursor: pointer; 
    font-size: 16px; 
    color: var(--text-light); 
    padding: 8px; 
    border-radius: 6px;
    transition: all 0.2s; 
    display: flex;
    align-items: center;
    justify-content: center;
}
.icon-btn:hover { 
    color: var(--primary-green); 
    background-color: var(--light-green);
}
.icon-btn.delete-btn:hover {
    color: #dc3545;
    background-color: #ffeef0;
}

.modal-overlay { 
    position: fixed; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%; 
    background-color: rgba(0, 0, 0, 0.6); 
    display: flex; 
    justify-content: center; 
    align-items: center; 
    z-index: 2000; 
    visibility: hidden; 
    opacity: 0; 
    transition: visibility 0.3s, opacity 0.3s; 
    backdrop-filter: blur(4px);
}
.modal-overlay.active { visibility: visible; opacity: 1; }
.modal-content { 
    background-color: var(--white); 
    padding: 32px; 
    border-radius: 16px; 
    box-shadow: 0 10px 25px rgba(0,0,0,0.15); 
    width: 90%; 
    max-width: 750px; 
    max-height: 90vh; 
    overflow-y: auto; 
    transform: translateY(20px); 
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275); 
}
.modal-overlay.active .modal-content { transform: translateY(0); }
.modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.modal-header h2 { margin: 0; font-size: 24px; color: var(--text-dark); font-family: 'Poppins', sans-serif; font-weight: 700; }
.close-modal-btn { background: none; border: none; font-size: 28px; color: var(--text-light); cursor: pointer; line-height: 1; padding: 4px; border-radius: 4px; transition: color 0.2s; }
.close-modal-btn:hover { color: var(--text-dark); background-color: var(--background-gray); }
.modal-content > p { color: var(--text-light); margin-top: 0; margin-bottom: 32px; font-size: 15px; }

.ip-form .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 32px; }
.form-group { display: flex; flex-direction: column; }
.form-group.full-width { grid-column: 1 / -1; }
.form-group label { font-weight: 500; color: var(--text-dark); margin-bottom: 8px; font-size: 14px; }
.form-group input, .form-group select, .form-group textarea { 
    padding: 12px 16px; 
    border: 1px solid var(--border-gray); 
    border-radius: var(--radius-md); 
    font-size: 15px; 
    color: var(--text-dark); 
    background-color: #fff; 
    font-family: 'Poppins', sans-serif; 
    transition: all 0.2s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { 
    outline: none; 
    border-color: var(--primary-green); 
    box-shadow: 0 0 0 3px rgba(22, 102, 71, 0.1); 
}
.form-group input:disabled { background-color: var(--background-gray); cursor: not-allowed; }
.form-group textarea { resize: vertical; min-height: 100px; }
.form-group small { font-size: 13px; color: var(--text-light); margin-top: 6px; }

.modal-actions { 
    display: flex; 
    justify-content: flex-end; 
    gap: 16px; 
    padding-top: 24px; 
    border-top: 1px solid var(--border-gray); 
    margin-top: 8px; 
}
.btn-secondary { 
    background-color: var(--white); 
    color: var(--text-dark); 
    border: 1px solid var(--border-gray); 
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-family: 'Poppins', sans-serif; 
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}
.btn-secondary:hover { background-color: var(--background-gray); border-color: #d1d5db; }

@media (max-width: 992px) {
    .ip-meta {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    body {
        position: relative;
    }
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        height: 100%;
        transform: translateX(-100%);
        width: 260px;
        box-shadow: 4px 0 15px rgba(0,0,0,0.1);
    }
    .sidebar.active {
        transform: translateX(0);
    }
    .main-content {
        padding: 20px;
        width: 100%;
        padding-bottom: 100px; 
    }
    .menu-toggle {
        display: block;
    }
    .main-header {
        justify-content: space-between;
    }
    .page-header {
        flex-direction: column;
        align-items: stretch;
        gap: 20px;
    }
    .btn-primary {
        width: 40%;
        justify-content: start;
    }
    .ip-card {
        flex-direction: column;
        align-items: stretch;
    }
    .ip-icon {
        width: 48px;
        height: 48px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .ip-actions {
        flex-direction: row;
        width: 100%;
        justify-content: flex-end;
        padding-left: 0;
        border-left: none;
        border-top: 1px solid var(--border-gray);
        padding-top: 15px;
        margin-top: 15px;
        gap: 15px;
    }
    .filters-container {
        flex-direction: column;
        align-items: stretch;
    }
    .search-wrapper {
        width: 100%;
    }
    .status-filters {
        width: 100%;
        overflow-x: auto;
        padding-bottom: 5px;
    }
    .status-filters .filter-btn {
        flex: 1;
        white-space: nowrap;
    }
}

@media (max-width: 600px) {
    .ip-form .form-grid { grid-template-columns: 1fr; gap: 16px; }
    .modal-content { padding: 24px 20px; width: 95%; margin: 10px; }
    .modal-header h2 { font-size: 20px; }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .sub-filters-wrapper {
        flex-direction: column;
        align-items: stretch;
        gap: 15px;
    }
    .type-filters {
        width: 100%;
        display: flex;
    }
    .sort-container {
        width: 100%;
    }
    .select-wrapper, .sort-dropdown {
        width: 100%;
    }
    
    .ip-meta {
        grid-template-columns: 1fr;
    }
}