/* CSS Variables */
:root {
    --primary-color: #3b71ca;
    --secondary-color: #14b8a6;
    --accent-color: #6366f1;
    --sidebar-bg: #1e3377;
    --sidebar-bg-darker: #162860;
    --sidebar-hover: rgba(255, 255, 255, 0.08);
    --text-light: #f1f5f9;
    --success-gradient-start: #0d9488;
    --success-gradient-end: #10b981;
    --primary-gradient-start: #2563eb;
    --primary-gradient-end: #3b82f6;
    --info-gradient-start: #0284c7;
    --info-gradient-end: #0ea5e9;
}

/* Base styling */
body {
    font-family: 'Poppins', sans-serif;
    background-color: #f8fafc;
    color: #4b5563;
}

/* Sidebar styling */
#wrapper {
    overflow-x: hidden;
    display: flex;
}

#sidebar-wrapper {
    min-height: 100vh;
    width: 250px;
    margin-left: -250px;
    transition: margin 0.25s ease-out;
    background: var(--sidebar-bg);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    z-index: 1040;
    display: flex;
    flex-direction: column;
}

#sidebar-wrapper .sidebar-heading {
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    background-color: var(--sidebar-bg);
}

#sidebar-wrapper .sidebar-heading img {
    max-height: 40px;
    margin-right: 0.75rem;
}

#sidebar-wrapper .sidebar-heading .brand-text {
    color: white;
    font-weight: 600;
    margin: 0;
    font-size: 1.2rem;
    line-height: 1.2;
}

#sidebar-wrapper .sidebar-heading .subtitle {
    font-size: 0.7rem;
    opacity: 0.8;
    display: block;
    letter-spacing: 0.05rem;
}

#sidebar-wrapper .list-group {
    flex-grow: 1;
    overflow-y: auto;
}

#wrapper.toggled #sidebar-wrapper {
    margin-left: 0;
}

#page-content-wrapper {
    min-width: 100vw;
    transition: margin-left 0.25s ease-out;
    background-color: #f8fafc;
}

/* Sidebar navigation */
.list-group-item {
    padding: 0.85rem 1.5rem;
    background-color: transparent !important;
    border: none;
    border-radius: 0 !important;
    color: var(--text-light) !important;
    margin-bottom: 2px;
    transition: all 0.2s ease;
    position: relative;
}

.list-group-item:hover {
    background-color: var(--sidebar-hover) !important;
    color: white !important;
}

.list-group-item.active {
    background-color: #198754 !important;
    color: white !important;
    border-left: 4px solid white;
}

.list-group-item i {
    width: 20px;
    text-align: center;
    margin-right: 10px;
    font-size: 1rem;
}

/* Sidebar submenu styling */
.nav-item.dropdown .collapse {
    background-color: var(--sidebar-bg-darker);
}

.nav-item.dropdown .list-group-item.border-0 {
    padding-left: 3.2rem;
    border-left: none !important;
    background-color: transparent !important;
}

.nav-item.dropdown .list-group-item.border-0:hover {
    background-color: var(--sidebar-hover) !important;
}

.nav-item.dropdown .list-group-item.border-0.active {
    background-color: #198754 !important;
    color: white !important;
}

.nav-item.dropdown .fs-xs {
    font-size: 0.65rem;
}

/* Style dropdowns to match the screenshot design */
.list-group-item[data-bs-toggle="collapse"] {
    position: relative;
}

.list-group-item[data-bs-toggle="collapse"]::after {
    content: '\f078';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    position: absolute;
    right: 1.5rem;
    font-size: 0.65rem;
    color: rgba(255, 255, 255, 0.7);
    transition: transform 0.2s ease;
}

.list-group-item[data-bs-toggle="collapse"][aria-expanded="true"] {
    background-color: var(--sidebar-hover) !important;
}

.list-group-item[data-bs-toggle="collapse"].active {
    background-color: #198754 !important;
    color: white !important;
}

.list-group-item[data-bs-toggle="collapse"][aria-expanded="true"]::after {
    transform: rotate(180deg);
}

.sidebar-divider {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin: 0.8rem 1rem;
}

/* Navbar styling */
nav.navbar {
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    background-color: #fff !important;
    padding: 0.75rem 1.5rem;
}

/* Button styling */
.btn {
    border-radius: 5px;
}

.btn-primary {
    background: linear-gradient(to right, var(--primary-gradient-start), var(--primary-gradient-end));
    border-color: var(--primary-gradient-end);
    transition: all 0.3s ease;
}

.btn-primary:hover, .btn-primary:focus {
    background: linear-gradient(to right, var(--primary-gradient-end), var(--primary-gradient-start));
    border-color: var(--primary-gradient-start);
    box-shadow: 0 4px 8px rgba(37, 99, 235, 0.2);
}

.btn-success {
    background: linear-gradient(to right, var(--success-gradient-start), var(--success-gradient-end));
    border-color: var(--success-gradient-end);
    transition: all 0.3s ease;
}

.btn-success:hover, .btn-success:focus {
    background: linear-gradient(to right, var(--success-gradient-end), var(--success-gradient-start));
    border-color: var(--success-gradient-start);
    box-shadow: 0 4px 8px rgba(16, 185, 129, 0.2);
}

#sidebarToggle {
    background: linear-gradient(to right, var(--primary-gradient-start), var(--primary-gradient-end));
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

#sidebarToggle:hover {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
    background: linear-gradient(to right, var(--primary-gradient-end), var(--primary-gradient-start));
}

/* Card styling */
.card {
    border-radius: 0.75rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    margin-bottom: 20px;
    border: none;
    overflow: hidden;
}

.card-header {
    background-color: #fff;
    border-bottom: 1px solid rgba(0,0,0,.05);
    font-weight: 600;
    padding: 1rem 1.5rem;
}

/* Dropdown styling */
.nav-item .dropdown-menu {
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    border: none;
    padding: 0.5rem;
}

.dropdown-item {
    border-radius: 0.35rem;
    padding: 0.5rem 1rem;
    transition: all 0.2s ease;
}

.dropdown-item:hover {
    background-color: #f3f4f6;
}

/* Dashboard cards */
.dashboard-card {
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    z-index: 1;
}

.dashboard-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.12);
}

.dashboard-card.primary {
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    color: white;
}

.dashboard-card.secondary {
    background: linear-gradient(135deg, var(--success-gradient-start), var(--success-gradient-end));
    color: white;
}

.dashboard-card.info {
    background: linear-gradient(135deg, var(--info-gradient-start), var(--info-gradient-end));
    color: white;
}

/* Quick actions */
.action-btn {
    border-radius: 0.5rem;
    padding: 0.8rem 1.2rem;
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    position: relative;
    overflow: hidden;
}

.action-btn i {
    margin-right: 0.75rem;
}

.action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 10px rgba(0,0,0,0.1);
}

.action-btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 0.5rem;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

.action-btn:hover::after {
    transform: scaleX(1);
}

/* Table styles */
.table-hover tbody tr:hover {
    background-color: rgba(0, 123, 255, 0.1);
}

/* Form controls */
.form-control:focus {
    box-shadow: 0 0 0 0.25rem rgba(0, 123, 255, 0.25);
}

/* Activity table */
.table-responsive {
    border-radius: 5px;
    overflow: hidden;
}

/* Mobile overlay */
.overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1030;
}

#wrapper.toggled ~ .overlay {
    display: block;
}

/* Responsive adjustments */
@media (min-width: 768px) {
    /* Desktop view */
    #sidebar-wrapper {
        margin-left: 0;
    }
    
    #page-content-wrapper {
        min-width: 0;
        width: 100%;
    }
    
    #sidebarToggle {
        display: none; /* Hide toggle button on desktop */
    }
    
    #wrapper.toggled #sidebar-wrapper {
        margin-left: -250px;
    }
    
    #wrapper.toggled #page-content-wrapper {
        margin-left: 0;
    }
}

@media (max-width: 767.98px) {
    /* Mobile view */
    #sidebar-wrapper {
        margin-left: -250px;
        position: fixed;
        height: 100%;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    #sidebar-wrapper .sidebar-heading {
        flex-shrink: 0;
        position: sticky;
        top: 0;
        background: linear-gradient(to bottom, var(--sidebar-bg), var(--sidebar-bg-darker));
        z-index: 99;
    }
    
    #sidebar-wrapper .list-group {
        overflow-y: visible;
        padding-bottom: 150px; /* Increased space for copyright and developer attribution */
    }
    
    #sidebar-wrapper .mt-auto {
        position: sticky;
        bottom: 0;
        background: linear-gradient(to bottom, var(--sidebar-bg), var(--sidebar-bg-darker));
        z-index: 1;
    }
    
    /* Make date picker inputs responsive */
    .date-control-container {
        flex-direction: column;
        width: 100%;
        margin-top: 1rem;
        align-items: stretch;
    }
    
    .date-control-container .position-relative {
        width: 100%;
        margin-bottom: 0.5rem;
        margin-right: 0 !important;
    }
    
    .date-control {
        width: 100%;
    }
    
    #apply-filter {
        width: 100%;
        margin-top: 0.5rem;
    }
}

#sidebar-wrapper .mt-auto a:hover {
    color: white !important;
    border-color: white !important;
}

#sidebar-wrapper .mt-auto .fas.fa-heart {
    font-size: 0.7rem;
    animation: heartbeat 1.5s infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

/* Date picker styling */
.date-control-container {
    display: flex;
    align-items: center;
}

.date-control {
    border-radius: 0.5rem;
    border: 1px solid #e2e8f0;
}

.input-icon {
    position: absolute;
    top: 50%;
    left: 0.75rem;
    transform: translateY(-50%);
    color: #3b71ca;
    z-index: 10;
}

.date-input {
    padding-left: 2.5rem;
}