/* StudentIDCardWASM sidebar resize/collapse fix
   Add this file after studentIdCardUniversal.css in Components/App.razor.
   The layout must have the root class: sidc-app-layout + either sidc-sidebar-expanded or sidc-sidebar-collapsed.
*/

:root {
    --sidc-sidebar-expanded-width: 220px;
    --sidc-sidebar-collapsed-width: 76px;
    --sidc-topbar-height: 72px;
    --sidc-sidebar-bg: #f3f7fc;
    --sidc-sidebar-bg-2: #eaf2fb;
    --sidc-sidebar-border: #dbe8f7;
    --sidc-sidebar-text: #102033;
    --sidc-sidebar-muted: #5f7087;
    --sidc-primary: #2563eb;
    --sidc-primary-2: #0ea5e9;
    --sidc-workspace-bg: #f6f9fd;
}

html,
body {
    overflow-x: hidden;
}

/* Main shell: the page must resize because the shell uses CSS grid columns. */
.sidc-app-layout {
    --sidc-sidebar-width: var(--sidc-sidebar-expanded-width);
    min-height: 100vh;
    width: 100%;
    display: grid;
    grid-template-columns: var(--sidc-sidebar-width) minmax(0, 1fr);
    background: var(--sidc-workspace-bg);
    transition: grid-template-columns 180ms ease;
}

.sidc-app-layout.sidc-sidebar-collapsed {
    --sidc-sidebar-width: var(--sidc-sidebar-collapsed-width);
}

.sidc-app-layout.sidc-sidebar-expanded {
    --sidc-sidebar-width: var(--sidc-sidebar-expanded-width);
}

/* Sidebar: compact, elevated, light gray/blue, theme-aligned. */
.sidc-sidebar {
    grid-column: 1;
    width: var(--sidc-sidebar-width);
    min-width: var(--sidc-sidebar-width);
    height: 100vh;
    position: sticky;
    top: 0;
    z-index: 80;
    overflow-x: hidden;
    overflow-y: auto;
    background:
        radial-gradient(circle at 10% 0%, rgba(37, 99, 235, .09), transparent 28%),
        linear-gradient(180deg, #ffffff 0%, var(--sidc-sidebar-bg) 50%, var(--sidc-sidebar-bg-2) 100%);
    border-right: 1px solid var(--sidc-sidebar-border);
    box-shadow: 10px 0 34px rgba(15, 23, 42, .08);
    transition: width 180ms ease, min-width 180ms ease, box-shadow 180ms ease;
}

.sidc-main {
    grid-column: 2;
    min-width: 0;
    width: 100%;
    max-width: 100%;
    transition: width 180ms ease;
}

.sidc-topbar {
    height: var(--sidc-topbar-height);
    width: 100%;
    position: sticky;
    top: 0;
    z-index: 70;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 26px;
    color: #ffffff;
    background: linear-gradient(135deg, #2445c7 0%, #2563eb 58%, #0ea5e9 100%);
    box-shadow: 0 14px 34px rgba(37, 99, 235, .18);
}

.sidc-topbar-left,
.sidc-topbar-right {
    display: flex;
    align-items: center;
    gap: 14px;
    min-width: 0;
}

.sidc-burger {
    width: 42px;
    height: 42px;
    border: 0;
    border-radius: 14px;
    background: rgba(255, 255, 255, .14);
    color: #ffffff;
    display: inline-grid;
    place-items: center;
    cursor: pointer;
    transition: background 160ms ease, transform 160ms ease;
}

.sidc-burger:hover {
    background: rgba(255, 255, 255, .22);
    transform: translateY(-1px);
}

.sidc-topbar-title {
    font-size: 18px;
    font-weight: 850;
    letter-spacing: .01em;
    white-space: nowrap;
}

.sidc-page-host {
    min-width: 0;
    width: 100%;
    padding: 32px;
}

/* Brand area */
.sidc-brand {
    height: 112px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 18px 16px;
    border-bottom: 1px solid var(--sidc-sidebar-border);
    position: relative;
}

.sidc-brand::after {
    content: "";
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: -1px;
    height: 2px;
    background: linear-gradient(90deg, #2563eb, #38bdf8, transparent);
    opacity: .72;
}

.sidc-brand-logo {
    width: 48px;
    height: 48px;
    min-width: 48px;
    border-radius: 16px;
    object-fit: contain;
    background: #ffffff;
    border: 1px solid #e0ebfa;
    box-shadow: 0 12px 24px rgba(37, 99, 235, .10);
    padding: 5px;
}

.sidc-brand-text {
    min-width: 0;
    overflow: hidden;
    transition: opacity 140ms ease, transform 140ms ease;
}

.sidc-brand-title {
    font-size: 18px;
    font-weight: 900;
    color: #0f172a;
    line-height: 1.1;
    white-space: nowrap;
}

.sidc-brand-subtitle {
    margin-top: 4px;
    font-size: 12px;
    font-weight: 800;
    color: var(--sidc-primary);
    white-space: nowrap;
}

/* Navigation */
.sidc-nav {
    padding: 18px 12px 24px;
    display: grid;
    gap: 8px;
}

.sidc-nav-link,
.sidc-nav-group-button {
    width: 100%;
    min-height: 46px;
    border: 0;
    border-radius: 16px;
    padding: 0 13px;
    display: flex;
    align-items: center;
    gap: 12px;
    background: transparent;
    color: var(--sidc-sidebar-text);
    text-decoration: none;
    font-size: 15px;
    font-weight: 780;
    cursor: pointer;
    transition: background 160ms ease, color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.sidc-nav-link:hover,
.sidc-nav-group-button:hover {
    background: rgba(37, 99, 235, .075);
    color: var(--sidc-primary);
}

.sidc-nav-link.active,
.sidc-nav-link.sidc-active,
.sidc-nav-group-button.active,
.sidc-nav-group-button.sidc-active {
    background: #ffffff;
    color: var(--sidc-primary);
    box-shadow: 0 12px 26px rgba(37, 99, 235, .12);
}

.sidc-nav-icon {
    width: 24px;
    min-width: 24px;
    display: inline-grid;
    place-items: center;
    color: var(--sidc-primary);
    font-size: 21px;
}

.sidc-nav-text {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: opacity 140ms ease, transform 140ms ease;
}

.sidc-nav-chevron {
    margin-left: auto;
    color: var(--sidc-primary);
    transition: transform 160ms ease, opacity 140ms ease;
}

.sidc-nav-group.sidc-open .sidc-nav-chevron {
    transform: rotate(180deg);
}

/* Submenu must be visibly more indented than main items. */
.sidc-subnav {
    margin: 5px 6px 8px 42px;
    padding-left: 14px;
    display: grid;
    gap: 6px;
    border-left: 2px solid rgba(37, 99, 235, .20);
    transition: opacity 140ms ease, max-height 180ms ease;
}

.sidc-subnav-link {
    min-height: 38px;
    border-radius: 13px;
    padding: 0 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: #31445f;
    background: rgba(255, 255, 255, .58);
    text-decoration: none;
    font-size: 14px;
    font-weight: 730;
    transition: background 160ms ease, color 160ms ease, transform 160ms ease;
}

.sidc-subnav-link:hover,
.sidc-subnav-link.active,
.sidc-subnav-link.sidc-active {
    color: var(--sidc-primary);
    background: #ffffff;
    transform: translateX(2px);
    box-shadow: 0 8px 18px rgba(37, 99, 235, .08);
}

.sidc-subnav-icon {
    width: 20px;
    min-width: 20px;
    display: inline-grid;
    place-items: center;
    color: var(--sidc-primary);
    font-size: 18px;
}

/* Collapsed behavior: content area expands immediately because grid column changes. */
.sidc-app-layout.sidc-sidebar-collapsed .sidc-sidebar {
    overflow-x: hidden;
}

.sidc-app-layout.sidc-sidebar-collapsed .sidc-brand {
    justify-content: center;
    padding-inline: 10px;
}

.sidc-app-layout.sidc-sidebar-collapsed .sidc-brand-text,
.sidc-app-layout.sidc-sidebar-collapsed .sidc-nav-text,
.sidc-app-layout.sidc-sidebar-collapsed .sidc-nav-chevron,
.sidc-app-layout.sidc-sidebar-collapsed .sidc-subnav {
    opacity: 0;
    transform: translateX(-8px);
    pointer-events: none;
    width: 0;
    height: 0;
    overflow: hidden;
    margin: 0;
    padding: 0;
    border: 0;
}

.sidc-app-layout.sidc-sidebar-collapsed .sidc-nav {
    padding-inline: 10px;
}

.sidc-app-layout.sidc-sidebar-collapsed .sidc-nav-link,
.sidc-app-layout.sidc-sidebar-collapsed .sidc-nav-group-button {
    justify-content: center;
    padding-inline: 0;
}

.sidc-app-layout.sidc-sidebar-collapsed .sidc-nav-icon {
    margin: 0;
}

/* Safety net for old layout classes if any page/layout still uses them. */
.admin-layout,
.teacher-layout,
.admin-main-layout,
.teacher-main-layout {
    min-width: 0;
}

.admin-content,
.teacher-content,
.main-content,
.app-content,
.layout-content,
.module-shell {
    min-width: 0;
    max-width: 100%;
}

@media (max-width: 900px) {
    .sidc-app-layout,
    .sidc-app-layout.sidc-sidebar-expanded,
    .sidc-app-layout.sidc-sidebar-collapsed {
        --sidc-sidebar-width: 0px;
        grid-template-columns: 0 minmax(0, 1fr);
    }

    .sidc-sidebar {
        position: fixed;
        left: 0;
        top: 0;
        transform: translateX(-102%);
    }

    .sidc-app-layout.sidc-mobile-sidebar-open {
        --sidc-sidebar-width: 0px;
    }

    .sidc-app-layout.sidc-mobile-sidebar-open .sidc-sidebar {
        width: var(--sidc-sidebar-expanded-width);
        min-width: var(--sidc-sidebar-expanded-width);
        transform: translateX(0);
    }

    .sidc-page-host {
        padding: 20px 14px;
    }
}