/*
 * School App styles on top of Bootstrap 5.3.
 *
 * Theme colours come from base.html, which sets --app-primary, --app-primary-rgb,
 * --app-on-primary, --app-secondary and --app-secondary-rgb from the deployment
 * theme (school_app/theme.py). Everything below uses those variables.
 */

:root {
    --app-radius: 0.75rem;
    --app-navbar-height: 3.5rem;
    --app-shadow: 0 1px 2px rgba(15, 23, 42, 0.06), 0 1px 3px rgba(15, 23, 42, 0.08);
    --app-page-bg: #f4f6fa;

    /* Map the theme onto Bootstrap's own variables */
    --bs-primary: var(--app-primary);
    --bs-primary-rgb: var(--app-primary-rgb);
    --bs-secondary: var(--app-secondary);
    --bs-secondary-rgb: var(--app-secondary-rgb);
    --bs-link-color: var(--app-primary);
    --bs-link-color-rgb: var(--app-primary-rgb);
    --bs-link-hover-color: color-mix(in srgb, var(--app-primary) 80%, black);
    --bs-link-hover-color-rgb: var(--app-primary-rgb);
    --bs-primary-bg-subtle: color-mix(in srgb, var(--app-primary) 12%, white);
    --bs-primary-border-subtle: color-mix(in srgb, var(--app-primary) 30%, white);
    --bs-primary-text-emphasis: color-mix(in srgb, var(--app-primary) 70%, black);
    --bs-focus-ring-color: rgba(var(--app-primary-rgb), 0.25);
    --bs-font-sans-serif: var(--app-font);
    --bs-body-font-family: var(--app-font);
}

/* THEME_HEADING_FONT (defaults to THEME_FONT) */
h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6,
.navbar-brand,
.auth-brand {
    font-family: var(--app-heading-font);
}

[data-bs-theme="dark"] {
    --app-page-bg: #0f172a;
    --app-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
    --bs-body-bg: #111827;
    --bs-link-color: color-mix(in srgb, var(--app-primary) 60%, white);
    --bs-link-hover-color: color-mix(in srgb, var(--app-primary) 40%, white);
    --bs-primary-bg-subtle: color-mix(in srgb, var(--app-primary) 20%, #111827);
    --bs-primary-border-subtle: color-mix(in srgb, var(--app-primary) 45%, #111827);
    --bs-primary-text-emphasis: color-mix(in srgb, var(--app-primary) 55%, white);
}

/* ---------- Layout ---------- */

body {
    background-color: var(--app-page-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.app-main {
    flex: 1 0 auto;
    padding-block: 1.25rem 2rem;
}

.app-footer {
    flex-shrink: 0;
    border-top: 1px solid var(--bs-border-color);
    background-color: var(--bs-body-bg);
    color: var(--bs-secondary-color);
    font-size: 0.875rem;
    padding-block: 0.875rem;
}

/* ---------- Navbar ---------- */

.app-navbar {
    min-height: var(--app-navbar-height);
    box-shadow: var(--app-shadow);
}

.app-navbar-dark {
    background-color: #111827;
}

.app-navbar-light {
    background-color: var(--bs-body-bg);
    border-bottom: 1px solid var(--bs-border-color);
}

.app-navbar-primary {
    background-color: var(--app-primary);
}

.app-navbar .navbar-brand {
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 0;
    white-space: normal;
}

/* Long app names (APP_NAME) wrap onto at most two lines instead of pushing
   the rest of the navbar aside; anything longer ends with an ellipsis. */
.app-navbar .navbar-brand span {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    overflow: hidden;
    overflow-wrap: anywhere;
    line-height: 1.2;
}

.app-navbar .navbar-brand .bi,
.app-navbar .navbar-brand img {
    flex-shrink: 0;
}

@media (max-width: 1399.98px) {
    /* Leave room for the menu button on the same row */
    .app-navbar .navbar-brand {
        max-width: calc(100% - 5rem);
    }
}

@media (min-width: 1400px) {
    /* The menu keeps its size; only the name gives way */
    .app-navbar .navbar-brand {
        max-width: 15rem;
        flex-shrink: 1;
    }

    .app-navbar .navbar-collapse,
    .app-navbar .navbar-nav {
        flex-shrink: 0;
    }
}

@media (min-width: 1800px) {
    .app-navbar .navbar-brand {
        max-width: 24rem;
    }
}

.app-navbar .navbar-brand img {
    height: 2rem;
    width: auto;
}

.app-navbar .nav-link {
    border-radius: 0.5rem;
    padding-inline: 0.75rem !important;
    white-space: nowrap;
}

/* Buttons in the navbar (theme, user menu, login, language) use the same
   colours as the menu links instead of Bootstrap's bright outline buttons */
.app-nav-btn {
    --bs-btn-color: var(--bs-navbar-color);
    --bs-btn-bg: transparent;
    --bs-btn-border-color: transparent;
    --bs-btn-hover-color: var(--bs-navbar-hover-color);
    --bs-btn-hover-bg: rgba(var(--bs-emphasis-color-rgb), 0.08);
    --bs-btn-hover-border-color: transparent;
    --bs-btn-active-color: var(--bs-navbar-active-color);
    --bs-btn-active-bg: rgba(var(--bs-emphasis-color-rgb), 0.12);
    --bs-btn-active-border-color: transparent;
    border-radius: 0.5rem;
}

.app-nav-btn.show {
    color: var(--bs-navbar-active-color);
    background-color: rgba(var(--bs-emphasis-color-rgb), 0.12);
}

/* Orange badge: new comments / replies (Bootstrap has no orange utility) */
.text-bg-orange {
    color: #1f2937 !important;
    background-color: #fd7e14 !important;
}

/* Unread counter next to a menu item */
.app-navbar .nav-count {
    font-size: 0.7rem;
    font-weight: 600;
    margin-left: 0.35rem;
    vertical-align: 0.1em;
}

.app-navbar .nav-link.active {
    background-color: rgba(255, 255, 255, 0.12);
}

.app-navbar-light .nav-link.active {
    background-color: var(--bs-primary-bg-subtle);
    color: var(--bs-primary-text-emphasis);
}

/* Between 1400 and 1600 px the full menu fits only in a compact form */
@media (min-width: 1400px) and (max-width: 1599.98px) {
    .app-navbar .navbar-nav {
        gap: 0 !important;
    }

    .app-navbar .navbar-nav .nav-link {
        padding-inline: 0.5rem !important;
    }

    .app-navbar .navbar-nav .nav-link .bi,
    .app-navbar .user-name {
        display: none;
    }
}

@media (max-width: 1399.98px) {
    .app-navbar .navbar-collapse {
        padding-block: 0.5rem 0.75rem;
    }

    .app-navbar .navbar-nav .nav-link {
        padding-block: 0.6rem;
    }
}

/* ---------- Page header ---------- */

.page-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.page-header h1 {
    font-size: clamp(1.4rem, 1.1rem + 1vw, 1.85rem);
    font-weight: 600;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.page-header h1 .bi {
    color: var(--app-primary);
}

/* ---------- Cards ---------- */

.app-card {
    background-color: var(--bs-body-bg);
    border: 1px solid var(--bs-border-color-translucent);
    border-radius: var(--app-radius);
    box-shadow: var(--app-shadow);
}

.app-card > .card-header {
    background-color: transparent;
    border-bottom: 1px solid var(--bs-border-color-translucent);
    padding: 0.875rem 1.125rem;
    font-weight: 600;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}

.app-card > .card-header h2,
.app-card > .card-header h5 {
    font-size: 1.05rem;
    font-weight: 600;
    margin: 0;
}

.app-card > .card-body {
    padding: 1.125rem;
}

.app-card > .list-group-flush:last-child .list-group-item:last-child {
    border-bottom-left-radius: var(--app-radius);
    border-bottom-right-radius: var(--app-radius);
}

/* Lists inside cards: whole row is the link */
.app-list .list-group-item {
    padding: 0.75rem 1.125rem;
}

.app-list .list-group-item-action.active {
    background-color: var(--bs-primary-bg-subtle);
    border-color: var(--bs-border-color-translucent);
    color: var(--bs-body-color);
    box-shadow: inset 3px 0 0 var(--app-primary);
}

.app-list .item-title {
    font-weight: 500;
}

.app-list .is-unread .item-title {
    font-weight: 700;
}

.empty-state {
    color: var(--bs-secondary-color);
    text-align: center;
    padding: 2rem 1rem;
}

.empty-state .bi {
    display: block;
    font-size: 2rem;
    margin-bottom: 0.5rem;
    opacity: 0.6;
}

/* Quiet scrollbars for scrolling lists and the tab row */
.md-scroll,
.nav-pills.overflow-auto {
    scrollbar-width: thin;
    scrollbar-color: var(--bs-border-color) transparent;
}

.nav-pills.overflow-auto {
    scrollbar-width: none;
}

/* ---------- List | detail pages (announcements, messages, groups) ---------- */

/*
 * On large screens the list and the detail sit side by side and each scrolls on
 * its own; on small screens the page shows one of them (see the
 * list_visibility / detail_visibility blocks) and scrolls normally.
 */
@media (min-width: 992px) {
    .master-detail .md-scroll {
        max-height: calc(100vh - var(--app-navbar-height) - 10rem);
        overflow-y: auto;
    }
}

.detail-title {
    font-size: clamp(1.35rem, 1.1rem + 1vw, 1.9rem);
    font-weight: 600;
    word-break: break-word;
}

.meta-list {
    display: grid;
    grid-template-columns: max-content 1fr;
    gap: 0.35rem 1rem;
    margin: 0;
}

.meta-list dt {
    font-weight: 500;
    color: var(--bs-secondary-color);
}

.meta-list dd {
    margin: 0;
    word-break: break-word;
}

@media (max-width: 575.98px) {
    .meta-list {
        grid-template-columns: 1fr;
        gap: 0.1rem;
    }

    .meta-list dd {
        margin-bottom: 0.5rem;
    }
}

.rich-text img {
    max-width: 100%;
    height: auto;
}

/* Chat-style messages */
.message-bubble {
    background-color: var(--bs-tertiary-bg);
    border-radius: var(--app-radius);
    padding: 0.75rem 1rem;
    max-width: 85%;
}

.message-bubble.is-mine {
    background-color: var(--bs-primary-bg-subtle);
    margin-left: auto;
}

/* ---------- Buttons & badges in theme colours ---------- */

.btn-primary {
    --bs-btn-color: var(--app-on-primary);
    --bs-btn-bg: var(--app-primary);
    --bs-btn-border-color: var(--app-primary);
    --bs-btn-hover-color: var(--app-on-primary);
    --bs-btn-hover-bg: color-mix(in srgb, var(--app-primary) 85%, black);
    --bs-btn-hover-border-color: color-mix(in srgb, var(--app-primary) 85%, black);
    --bs-btn-active-color: var(--app-on-primary);
    --bs-btn-active-bg: color-mix(in srgb, var(--app-primary) 75%, black);
    --bs-btn-active-border-color: color-mix(in srgb, var(--app-primary) 75%, black);
    --bs-btn-disabled-color: var(--app-on-primary);
    --bs-btn-disabled-bg: var(--app-primary);
    --bs-btn-disabled-border-color: var(--app-primary);
    --bs-btn-focus-shadow-rgb: var(--app-primary-rgb);
}

.btn-outline-primary {
    --bs-btn-color: var(--app-primary);
    --bs-btn-border-color: var(--app-primary);
    --bs-btn-hover-color: var(--app-on-primary);
    --bs-btn-hover-bg: var(--app-primary);
    --bs-btn-hover-border-color: var(--app-primary);
    --bs-btn-active-color: var(--app-on-primary);
    --bs-btn-active-bg: var(--app-primary);
    --bs-btn-active-border-color: var(--app-primary);
    --bs-btn-focus-shadow-rgb: var(--app-primary-rgb);
}

/* Primary-coloured text and icons need a lighter tint on dark backgrounds */
[data-bs-theme="dark"] .text-primary,
[data-bs-theme="dark"] .page-header h1 .bi,
[data-bs-theme="dark"] .auth-brand .bi {
    color: color-mix(in srgb, var(--app-primary) 60%, white) !important;
}

[data-bs-theme="dark"] .btn-outline-primary {
    --bs-btn-color: color-mix(in srgb, var(--app-primary) 60%, white);
}

.text-bg-primary {
    color: var(--app-on-primary) !important;
}

.form-control:focus,
.form-select:focus,
.form-check-input:focus {
    border-color: color-mix(in srgb, var(--app-primary) 50%, white);
    box-shadow: 0 0 0 0.25rem rgba(var(--app-primary-rgb), 0.25);
}

.form-check-input:checked {
    background-color: var(--app-primary);
    border-color: var(--app-primary);
}

.page-link {
    --bs-pagination-color: var(--bs-link-color);
    --bs-pagination-active-bg: var(--app-primary);
    --bs-pagination-active-border-color: var(--app-primary);
}

.badge {
    font-weight: 500;
}

.nav-pills {
    --bs-nav-pills-link-active-bg: var(--app-primary);
    --bs-nav-pills-link-active-color: var(--app-on-primary);
}

.accordion {
    --bs-accordion-active-bg: var(--bs-primary-bg-subtle);
    --bs-accordion-active-color: var(--bs-primary-text-emphasis);
    --bs-accordion-btn-focus-box-shadow: 0 0 0 0.25rem rgba(var(--app-primary-rgb), 0.25);
}

/* ---------- Forms ---------- */

.app-form .form-label {
    font-weight: 500;
}

/* Django renders plain inputs for some fields; give them Bootstrap's look */
.app-form input[type="text"]:not(.form-control),
.app-form input[type="email"]:not(.form-control),
.app-form input[type="number"]:not(.form-control),
.app-form input[type="date"]:not(.form-control),
.app-form input[type="datetime-local"]:not(.form-control),
.app-form input[type="file"]:not(.form-control),
.app-form textarea:not(.form-control),
.app-form select:not(.form-select):not([multiple]) {
    display: block;
    width: 100%;
    padding: 0.45rem 0.75rem;
    font-size: 1rem;
    color: var(--bs-body-color);
    background-color: var(--bs-body-bg);
    border: 1px solid var(--bs-border-color);
    border-radius: 0.5rem;
}

.app-form textarea:not(.form-control) {
    min-height: 6rem;
}

@media (max-width: 575.98px) {
    .app-form .btn-submit {
        width: 100%;
    }
}

/*
 * SlimSelect and CKEditor bring their own colour variables on :root (light
 * only) and load after this file; html[data-bs-theme] is more specific, so
 * these mappings win and both follow the light/dark theme.
 */
html[data-bs-theme] {
    --ss-bg-color: var(--bs-body-bg);
    --ss-font-color: var(--bs-body-color);
    --ss-border-color: var(--bs-border-color);
    --ss-placeholder-color: var(--bs-secondary-color);
    --ss-disabled-color: var(--bs-tertiary-bg);
    --ss-primary-color: var(--app-primary);
    --ss-highlight-color: rgba(var(--app-primary-rgb), 0.3);
}

html[data-bs-theme="dark"] {
    --ck-color-base-background: var(--bs-body-bg);
    --ck-color-base-foreground: var(--bs-tertiary-bg);
    --ck-color-base-border: var(--bs-border-color);
    --ck-color-base-text: var(--bs-body-color);
    --ck-color-text: var(--bs-body-color);
    --ck-color-focus-border: var(--app-primary);
    --ck-color-shadow-drop: rgba(0, 0, 0, 0.4);
    --ck-color-shadow-inner: rgba(0, 0, 0, 0.3);
    --ck-color-toolbar-background: var(--bs-tertiary-bg);
    --ck-color-toolbar-border: var(--bs-border-color);
    --ck-color-button-default-hover-background: var(--bs-secondary-bg);
    --ck-color-button-default-active-background: var(--bs-secondary-bg);
    --ck-color-button-on-background: var(--bs-secondary-bg);
    --ck-color-button-on-hover-background: var(--bs-secondary-bg);
    --ck-color-button-on-color: var(--bs-body-color);
    --ck-color-dropdown-panel-background: var(--bs-body-bg);
    --ck-color-dropdown-panel-border: var(--bs-border-color);
    --ck-color-panel-background: var(--bs-body-bg);
    --ck-color-panel-border: var(--bs-border-color);
    --ck-color-input-background: var(--bs-body-bg);
    --ck-color-input-border: var(--bs-border-color);
    --ck-color-input-text: var(--bs-body-color);
    --ck-color-list-background: var(--bs-body-bg);
    --ck-color-list-button-hover-background: var(--bs-secondary-bg);
    --ck-color-list-button-on-background: var(--app-primary);
    --ck-color-list-button-on-text: var(--app-on-primary);
    --ck-color-labeled-field-label-background: var(--bs-body-bg);
    --ck-color-tooltip-background: var(--bs-emphasis-color);
    --ck-color-tooltip-text: var(--bs-body-bg);
}

/* The editing area itself: CKEditor leaves its text colour to the page */
html[data-bs-theme="dark"] .ck.ck-editor__editable {
    color: var(--bs-body-color);
}

/* SlimSelect in theme colours */
.ss-main {
    border-radius: 0.5rem !important;
    min-height: 2.5rem;
}

.ss-main .ss-values .ss-value {
    background-color: var(--app-primary) !important;
}

.ss-main .ss-values .ss-value .ss-value-text,
.ss-main .ss-values .ss-value .ss-value-delete svg path {
    color: var(--app-on-primary) !important;
    stroke: var(--app-on-primary) !important;
}

/* ---------- Media ---------- */

.thumb {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: 0.5rem;
    display: block;
}

.image-card .card-img-top {
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

/* ---------- Calendar ---------- */

.calendar-wrap {
    min-height: 420px;
}

@media (min-width: 992px) {
    .calendar-wrap {
        height: calc(100vh - var(--app-navbar-height) - 10rem);
        min-height: 560px;
    }
}

.fc {
    --fc-button-bg-color: var(--app-primary);
    --fc-button-border-color: var(--app-primary);
    --fc-button-hover-bg-color: color-mix(in srgb, var(--app-primary) 85%, black);
    --fc-button-hover-border-color: color-mix(in srgb, var(--app-primary) 85%, black);
    --fc-button-active-bg-color: color-mix(in srgb, var(--app-primary) 75%, black);
    --fc-button-active-border-color: color-mix(in srgb, var(--app-primary) 75%, black);
    --fc-event-bg-color: var(--app-primary);
    --fc-event-border-color: var(--app-primary);
    --fc-today-bg-color: rgba(var(--app-primary-rgb), 0.08);
}

.fc .fc-button {
    color: var(--app-on-primary);
}

/* Day numbers and weekday names are links in FullCalendar; keep them plain */
.fc .fc-col-header-cell-cushion,
.fc .fc-daygrid-day-number,
.fc .fc-list-day-cushion a {
    color: inherit;
    text-decoration: none;
}

.fc .fc-col-header-cell-cushion {
    font-weight: 600;
    color: var(--bs-secondary-color);
}

.fc .fc-toolbar-title {
    font-size: 1.25rem;
}

@media (max-width: 575.98px) {
    .fc .fc-toolbar {
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .fc .fc-toolbar-title {
        font-size: 1.05rem;
    }

    .fc .fc-button {
        padding: 0.3rem 0.55rem;
        font-size: 0.85rem;
    }
}

[data-bs-theme="dark"] .fc {
    --fc-page-bg-color: var(--bs-body-bg);
    --fc-neutral-bg-color: var(--bs-tertiary-bg);
    --fc-list-event-hover-bg-color: var(--bs-tertiary-bg);
    --fc-border-color: var(--bs-border-color);
}

/* ---------- Auth pages (login, sign-up, password) ---------- */

.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-block: 2rem;
}

.auth-brand {
    font-weight: 600;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--bs-body-color);
    text-decoration: none;
}

.auth-brand {
    min-width: 0;
}

.auth-brand span {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    overflow: hidden;
    overflow-wrap: anywhere;
    line-height: 1.2;
}

.auth-brand .bi {
    color: var(--app-primary);
    flex-shrink: 0;
}

.auth-brand img {
    height: 2.25rem;
    width: auto;
}

.min-w-0 {
    min-width: 0;
}

/* Show/hide button inside password fields (includes/password_toggle.html) */
.password-field {
    position: relative;
}

.password-field input {
    padding-right: 2.75rem;
}

/* Bootstrap's error icon moves left of the toggle button */
.password-field .form-control.is-invalid,
.password-field .form-control.is-valid {
    padding-right: 4.75rem;
    background-position: right 2.75rem center;
}

.password-toggle {
    position: absolute;
    top: 50%;
    right: 0.4rem;
    transform: translateY(-50%);
    border: 0;
    background: transparent;
    color: var(--bs-secondary-color);
    padding: 0.25rem 0.4rem;
    border-radius: 0.375rem;
    line-height: 1;
}

.password-toggle:hover {
    color: var(--bs-body-color);
}

.password-toggle:focus-visible {
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(var(--app-primary-rgb), 0.35);
}