:root {
    --primary-purple: #5b47fb;
    --secondary-purple: #8a7dff;
    --dark-purple-hover: #4a38d1;
    --light-bg: #f4f7fe;
    --dark-text: #2b3674;
    --sidebar-width: 280px;
    --card-radius: 20px;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--light-bg);
    color: var(--dark-text);
    overflow-x: hidden;
}

/* --- Sidebar Styles --- */
.sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(180deg, var(--primary-purple) 0%, #4030c0 100%);
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1050;
    transition: all 0.3s ease-in-out;
    overflow-y: auto;
    box-shadow: 4px 0 25px rgba(0,0,0,0.05);
}

.sidebar-header {
    padding: 2rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: white;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-brand {
    font-weight: 700;
    font-size: 1.6rem;
    text-decoration: none;
    color: white;
    display: flex;
    align-items: center;
    gap: 12px;
    letter-spacing: -0.5px;
}

.sidebar-menu {
    padding-left: 0;
    list-style: none;
    margin-top: 1rem;
}

.nav-link {
    color: rgba(255, 255, 255, 0.75);
    padding: 1rem 1.8rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-left: 4px solid transparent;
    transition: all 0.2s;
    cursor: pointer;
    text-decoration: none;
    font-size: 0.95rem;
}

    .nav-link:hover, .nav-link.active {
        color: white;
        background: rgba(255, 255, 255, 0.1);
        border-left-color: #fff;
    }

    .nav-link i.icon-main {
        width: 24px;
        margin-right: 12px;
        text-align: center;
        font-size: 1.1rem;
    }

/* Submenu */
.submenu {
    background: rgba(0, 0, 0, 0.15);
    list-style: none;
    padding-left: 0;
}

    .submenu .nav-link {
        padding-left: 4rem;
        font-size: 0.9rem;
        border-left: none;
    }

.nav-link .fa-chevron-down {
    font-size: 0.75rem;
    transition: transform 0.3s;
}

.nav-link[aria-expanded="true"] .fa-chevron-down {
    transform: rotate(-180deg);
}

.sidebar-heading {
    padding: 1.5rem 1.8rem 0.5rem;
    font-size: 0.7rem;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.4);
    font-weight: 700;
    letter-spacing: 1px;
}

.btn-close-sidebar {
    background: none;
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    display: none;
}

/* --- Main Content --- */
.main-content {
    margin-left: var(--sidebar-width);
    width: calc(100% - var(--sidebar-width));
    transition: margin-left 0.3s ease-in-out, width 0.3s ease-in-out;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* --- Navbar & Header Elements --- */
.top-navbar {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0,0,0,0.03);
}

/* Perfect Circle Icon Buttons */
.btn-icon {
    width: 45px;
    height: 45px;
    border-radius: 50%; /* Perfect circle */
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: white;
    color: #a3aed0;
    box-shadow: 0 3px 10px rgba(0,0,0,0.05);
    transition: all 0.2s;
    position: relative;
}

    .btn-icon:hover, .btn-icon.active {
        background: var(--light-bg);
        color: var(--primary-purple);
        transform: translateY(-2px);
    }

/* Search Box */
.search-container {
    background: white;
    border-radius: 30px;
    padding: 5px 20px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.03);
    display: flex;
    align-items: center;
    width: 300px;
}

    .search-container input {
        border: none;
        outline: none;
        width: 100%;
        padding: 8px;
        color: var(--dark-text);
    }

        .search-container input::placeholder {
            color: #a3aed0;
        }

    .search-container i {
        color: var(--primary-purple);
    }

/* Language Switcher */
.lang-switch .dropdown-toggle::after {
    display: none;
}

.lang-flag {
    width: 20px;
    height: 15px;
    object-fit: cover;
    border-radius: 2px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}


/* --- Media Queries --- */
@media (max-width: 991.98px) {
    .sidebar {
        transform: translateX(-100%);
    }

        .sidebar.active {
            transform: translateX(0);
        }

    .main-content {
        margin-left: 0;
        width: 100%;
    }

    .btn-close-sidebar {
        display: block;
    }

    .search-container {
        display: none;
    }
}

.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1040;
    display: none;
    opacity: 0;
    transition: opacity 0.3s;
}

    .sidebar-overlay.show {
        display: block;
        opacity: 1;
    }


.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid #e50000;
}

.validation-message {
    color: #e50000;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }