:root {
    --bg: #f6f7fb;
    --bg-grad-1: #f8fafc;
    --bg-grad-2: #eef2ff;
    --card-bg: #ffffff;
    --text: #1f2937;
    --muted: #6b7280;
    --primary: #0d6efd;
    --ring: rgba(13,110,253,.25);
    --shadow: 0 10px 30px rgba(0,0,0,.07);
    --radius: 14px;
}

html, body {
    height: 100%;
}

body {
    font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji", "Segoe UI Symbol", sans-serif;
    background: var(--bg-grad-2) !important;
    color: var(--text);
    padding-top: 76px;
}

.navbar {
    backdrop-filter: saturate(140%) blur(10px);
    background: rgba(240, 240, 240, 0.8) !important;
    border-bottom: 1px solid rgba(15,23,42,.06);
}

.navbar-brand img {
    max-height: 28px;
}

.navbar .nav-link {
    font-weight: 600;
}

.navbar .dropdown-menu {
    border-radius: 12px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(15,23,42,.06);
}

section.container {
    max-width: 1000px;
    margin-top: 1.25rem;
    margin-bottom: 2rem;
    display: none;
    background: var(--bg-grad-2) !important;
}

    section.container.active {
        display: block;
    }

.app-card {
    background: var(--card-bg);
    border: 1px solid rgba(15,23,42,.06);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1rem;
}

    .app-card .card-header {
        background: transparent;
        border-bottom: 1px solid rgba(15,23,42,.08);
        padding: 1rem 1.25rem;
        font-weight: 700;
        font-size: 1.15rem;
    }

    .app-card .card-body {
        padding: 1.25rem;
    }

.markdown-body {
    background: #fff !important;
    color: #222 !important;
    padding: 2em;
    border-radius: 12px;
    box-shadow: var(--shadow);
    max-width: 850px;
    margin: 2em auto;
}

    .markdown-body table tr {
        background: #fff !important;
        color: #222 !important;
    }

.btn {
    border-radius: 12px;
    font-weight: 600;
}

    .btn:focus {
        box-shadow: 0 0 0 .25rem var(--ring) !important;
    }

#toastContainer {
    z-index: 1090;
}

#sidebarMenu {
    position: fixed;
    top: 56px;
    left: 0;
    width: 220px;
    height: 100%;
    background: #f8f9fa;
    border-right: 1px solid #ddd;
    z-index: 2000;
    padding-top: 0.2rem;
    transition: width 0.35s cubic-bezier(.4,0,.2,1);
    overflow: hidden;
}

    #sidebarMenu ul {
        padding-top: 0;
        margin-top: 0;
    }

    #sidebarMenu .nav-item {
        margin: 0;
        padding: 0;
    }

    #sidebarMenu .nav-link {
        display: flex;
        align-items: center;
        gap: 10px;
        color: #333;
        font-weight: 500;
        padding: 12px 24px;
        height: 48px;
        box-sizing: border-box;
        transition: padding 0.35s cubic-bezier(.4,0,.2,1);
    }

        #sidebarMenu .nav-link.active, #sidebarMenu .nav-link:hover {
            background: #e9ecef;
            color: #007bff;
        }

    #sidebarMenu .bi {
        display: inline-block;
        vertical-align: middle;
        font-size: 1.5em;
        margin: 0;
    }

    #sidebarMenu .sidebar-text {
        opacity: 1;
        max-width: 120px;
        transition: opacity 0.35s 0.15s cubic-bezier(.4,0,.2,1), max-width 0.35s 0.15s cubic-bezier(.4,0,.2,1);
        white-space: nowrap;
        overflow: hidden;
    }

    #sidebarMenu.sidebar-collapsed {
        width: 60px;
    }

        #sidebarMenu.sidebar-collapsed .nav-link {
            padding: 12px 16px;
            justify-content: flex-start;
        }

        #sidebarMenu.sidebar-collapsed .sidebar-text {
            opacity: 0;
            max-width: 0;
            transition: opacity 0.15s cubic-bezier(.4,0,.2,1), max-width 0.15s cubic-bezier(.4,0,.2,1);
        }

        #sidebarMenu.sidebar-collapsed:hover {
            width: 220px;
        }

            #sidebarMenu.sidebar-collapsed:hover .sidebar-text {
                opacity: 1;
                max-width: 120px;
                transition: opacity 0.35s 0.15s cubic-bezier(.4,0,.2,1), max-width 0.35s 0.15s cubic-bezier(.4,0,.2,1);
            }

            #sidebarMenu.sidebar-collapsed:hover .nav-link {
                padding: 12px 24px;
            }

#mainContentWrapper {
    margin-left: 0;
    padding-left: 50px;
    background: var(--bg-grad-2) !important;
}

@media (min-width: 992px) {
    #mainContentWrapper {
        margin-left: 0;
        padding-left: 50px;
    }

    #sidebarMenu.sidebar-collapsed {
        width: 60px;
    }

        #sidebarMenu.sidebar-collapsed:hover {
            width: 220px;
        }
}

@media (max-height: 800px) and (max-width: 992px) {
    .navbar-nav.ms-auto.align-items-lg-center {
        overflow-y: auto;
        max-height: 60vh;
    }
    .navbar-nav.ms-auto.align-items-lg-center .dropdown-menu {
        overflow-y: visible !important;
    }
}

@media (max-height: 800px) {
    #sidebarMenu {
        overflow-y: auto;
        max-height: 90vh;
    }
}

[hidden] {
    display: none !important;
}