/*
-------------------------------------
| Modern App UI - Visual Overhaul
-------------------------------------
*/

/* --- Fonts & Imports --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* --- CSS Variables (New Design System) --- */
:root {
    --primary-hue: 210;
    --primary-saturation: 79%;
    --primary-lightness: 45%;
    
    --primary: hsl(var(--primary-hue), var(--primary-saturation), var(--primary-lightness)); /* #2c5282 */
    --primary-light: hsl(var(--primary-hue), var(--primary-saturation), 65%);
    --primary-dark: hsl(var(--primary-hue), var(--primary-saturation), 30%);
    --primary-bg: hsl(var(--primary-hue), 80%, 97%);

    --secondary-hue: 152;
    --secondary-saturation: 51%;
    --secondary-lightness: 35%;
    --secondary: hsl(var(--secondary-hue), var(--secondary-saturation), var(--secondary-lightness)); /* #2f855a */

    --bg-color: #f7fafc;
    --sidebar-bg: #ffffff;
    --card-bg: #ffffff;
    --text-primary: #1a202c;
    --text-secondary: #718096;
    --border-color: #e2e8f0;

    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.05), 0 1px 2px 0 rgba(0, 0, 0, 0.03);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.07), 0 4px 6px -2px rgba(0, 0, 0, 0.03);

    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;

    --transition-speed: 0.2s;
}

/* --- Base & Typography --- */
body {
    background-color: var(--bg-color);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--text-primary);
}

p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* --- Layout --- */
#wrapper {
    display: flex;
    width: 100%;
}

#sidebar-wrapper {
    width: 260px;
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    transition: margin var(--transition-speed) ease-in-out;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

#page-content-wrapper {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

main {
    flex-grow: 1;
    padding: 2rem;
}


/* --- Sidebar --- */
.sidebar-heading {
    padding: 1.5rem 1.5rem;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary);
    border-bottom: 1px solid var(--border-color);
    text-align: left;
}

.sidebar-heading .logo-icon {
    margin-right: 0.75rem;
    font-size: 1.5rem;
    vertical-align: middle;
}

.list-group-item {
    background: transparent;
    border: 0;
    padding: 1rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-speed) ease;
    border-left: 3px solid transparent;
}

.list-group-item .bi {
    margin-right: 1rem;
    font-size: 1.1rem;
    vertical-align: text-bottom;
}

.list-group-item:hover {
    color: var(--primary);
    background-color: var(--primary-bg);
}

.list-group-item.active {
    background-color: var(--primary-bg);
    color: var(--primary);
    border-left-color: var(--primary);
    font-weight: 600;
}

/* --- Top Bar --- */
#topbar {
    background-color: var(--sidebar-bg);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    padding: 0.75rem 2rem;
}
#topbar .navbar-toggler {
    border: none;
}
#topbar .nav-link {
    color: var(--text-secondary);
}
#topbar .dropdown-toggle::after {
    display: none;
}
#topbar .profile-pic {
    width: 40px;
    height: 40px;
    object-fit: cover;
}


/* --- Dashboard & Cards --- */
.card.dashboard-card {
    border: none;
    background-color: var(--card-bg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-speed) ease-in-out;
    overflow: hidden;
}

.card.dashboard-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card-body {
    padding: 2rem;
}

.card-title-wrapper {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1.25rem;
}

.card-icon {
    width: 48px;
    height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-md);
    font-size: 1.5rem;
    margin-right: 1.5rem;
    flex-shrink: 0;
}

.card-icon.icon-customs {
    background-color: hsl(var(--primary-hue), 80%, 97%);
    color: var(--primary);
}
.card-icon.icon-insurance {
    background-color: hsl(var(--secondary-hue), 80%, 96%);
    color: var(--secondary);
}
.card-icon.icon-transport {
    background-color: hsl(195, 70%, 96%);
    color: hsl(195, 60%, 45%);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.card-text {
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.btn-primary {
    background-color: var(--primary);
    border-color: var(--primary);
    font-weight: 500;
    transition: all var(--transition-speed) ease;
}
.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
}

/* --- Responsive --- */
@media (max-width: 767.98px) {
    #sidebar-wrapper {
        margin-left: -260px;
    }

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

    #page-content-wrapper {
        min-width: 100vw;
    }
    
    main {
        padding: 1rem;
    }
    #topbar{
        padding: 0.75rem 1rem;
    }
}

#wrapper.toggled #sidebar-wrapper {
    margin-left: -260px;
}