/* ==========================================================
   SHARED LAYOUT – HEADER, SIDEBAR, CONTENT, FOOTER
   Một cấu trúc HTML dùng chung cho mọi kích thước màn hình.
   ========================================================== */

.app-body { min-width: 20rem; overflow-x: hidden; }

.app-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
    grid-template-rows: auto minmax(0, 1fr) auto;
    grid-template-areas:
        "header header"
        "sidebar main"
        "sidebar footer";
}

.app-skip-link {
    position: fixed;
    top: var(--space-2);
    left: var(--space-2);
    z-index: calc(var(--z-toast) + 1);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    color: var(--color-white);
    background: var(--color-primary);
    transform: translateY(-200%);
}

.app-skip-link:focus { transform: translateY(0); }

.app-header {
    grid-area: header;
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    min-height: var(--header-height);
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-3) var(--space-5);
    color: var(--color-white);
    background: linear-gradient(112deg, var(--color-primary-800), var(--color-primary-600));
    box-shadow: var(--shadow-sm);
}

.app-header__brand {
    min-width: 0;
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.app-brand-marks {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.app-brand-logo {
    width: 2.65rem;
    height: 2.65rem;
    display: block;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.16));
}

.app-system-name {
    min-width: 0;
    display: grid;
    justify-items: start;
    color: var(--color-white);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    letter-spacing: 0.025em;
}

.app-system-name__line {
    display: block;
    white-space: nowrap;
}

.app-system-name__line:first-child { font-size: var(--font-size-sm); }
.app-system-name__line:last-child {
    margin-top: var(--space-1);
    font-size: var(--font-size-lg);
}

.app-account-trigger {
    min-width: 0;
    min-height: var(--touch-target-min);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-1) var(--space-2);
    border: 1px solid transparent;
    border-radius: var(--radius-lg);
    color: var(--color-white);
    text-align: left;
    cursor: pointer;
    background: transparent;
}

.app-account-trigger:hover,
.app-account-trigger[aria-expanded="true"] {
    border-color: rgba(255, 255, 255, 0.22);
    background: rgba(255, 255, 255, 0.1);
}

.app-account-trigger__desktop { min-width: 0; display: grid; }

.app-account-trigger__name,
.app-account-trigger__role {
    max-width: 18rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.app-account-trigger__name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
}

.app-account-trigger__role {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-xs);
}

.app-avatar {
    width: 2.45rem;
    height: 2.45rem;
    flex: 0 0 auto;
    display: grid;
    place-items: center;
    border: 2px solid rgba(255, 255, 255, 0.72);
    border-radius: 50%;
    color: var(--color-primary-900);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    background: var(--color-white);
}

.app-avatar--large {
    width: 3.5rem;
    height: 3.5rem;
    border-color: var(--color-primary-100);
    font-size: var(--font-size-sm);
    background: var(--color-primary-50);
}

.app-header__identity-row { display: none; }

.app-menu-trigger {
    min-height: var(--touch-target-min);
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 0 var(--space-3);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    color: var(--color-white);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    background: rgba(255, 255, 255, 0.08);
}

.app-mobile-identity {
    min-width: 0;
    display: grid;
    justify-items: center;
    text-align: center;
}

.app-mobile-identity__name,
.app-mobile-identity__role {
    width: min(100%, 20rem);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.app-mobile-identity__name { font-size: var(--font-size-sm); }
.app-mobile-identity__role {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-xs);
}

.app-sidebar {
    grid-area: sidebar;
    position: sticky;
    top: var(--header-height);
    align-self: start;
    height: calc(100vh - var(--header-height));
    overflow-y: auto;
    border-right: 1px solid var(--color-border);
    background: var(--color-surface);
}

.app-sidebar__heading {
    min-height: 3.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    color: var(--color-muted);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.08em;
    border-bottom: 1px solid var(--color-border);
}

.app-sidebar__close { display: none; }

.app-nav {
    display: grid;
    gap: var(--space-1);
    padding: var(--space-3);
}

.app-nav__link {
    min-height: var(--touch-target-min);
    display: grid;
    grid-template-columns: 2rem minmax(0, 1fr);
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    color: var(--color-text-soft);
    font-weight: var(--font-weight-medium);
}

.app-nav__link:hover {
    color: var(--color-primary-700);
    text-decoration: none;
    background: var(--color-primary-50);
}

.app-nav__link.is-active {
    color: var(--color-primary-800);
    background: var(--color-primary-100);
    box-shadow: inset 3px 0 0 var(--color-primary);
}

.app-nav__icon {
    width: 2rem;
    height: 2rem;
    display: grid;
    place-items: center;
    border-radius: var(--radius-sm);
    color: var(--color-primary-700);
    background: var(--color-primary-50);
}

.app-nav__label {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.app-sidebar-backdrop { display: none; }

.app-main { grid-area: main; min-width: 0; }

.app-content {
    width: min(100%, var(--content-max-width));
    margin-inline: auto;
    padding: var(--space-5);
}

.app-page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-4);
    margin-bottom: var(--space-5);
}

.app-page-header__eyebrow {
    margin: 0 0 var(--space-1);
    color: var(--color-primary-700);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.08em;
}

.app-page-header__title {
    margin: 0;
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    line-height: 1.18;
    letter-spacing: -0.025em;
}
.app-page-header__description {
    margin: var(--space-1) 0 0;
    color: var(--color-muted);
    font-size: var(--font-size-sm);
}

.app-demo-grid {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(14rem, 1fr);
    gap: var(--space-4);
}

.app-footer {
    grid-area: footer;
    display: grid;
    place-items: center;
    gap: var(--space-1);
    min-height: 4rem;
    margin-top: var(--space-4);
    padding: var(--space-2) var(--space-4);
    border-top: 1px solid var(--color-border);
    color: var(--color-muted);
    font-size: var(--font-size-xs);
    text-align: center;
    background: var(--color-surface);
}

.app-footer__primary { display:flex; flex-wrap:wrap; align-items:center; justify-content:center; gap:var(--space-2); }
.app-footer__identity{display:inline-flex;align-items:center;gap:.25em}
.app-footer__separator { color:var(--color-slate-400); }

.app-account-backdrop {
    position: fixed;
    inset: 0;
    z-index: var(--z-overlay);
    background: var(--color-overlay);
}

.app-account-center {
    position: fixed;
    top: 4.5rem;
    right: var(--space-4);
    z-index: var(--z-dialog);
    width: min(28rem, calc(100vw - 2 * var(--space-4)));
    overflow: hidden;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    background: var(--color-surface);
    box-shadow: var(--shadow-lg);
}

.app-account-center__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-4);
    border-bottom: 1px solid var(--color-border);
}

.app-account-center__person {
    min-width: 0;
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.app-account-center__name { margin: 0; font-size: var(--font-size-base); }
.app-account-center__username {
    margin: var(--space-1) 0 0;
    color: var(--color-muted);
    font-size: var(--font-size-xs);
}

.app-account-center__summary {
    display: grid;
    grid-template-columns: minmax(6.5rem, 0.7fr) minmax(0, 1.3fr);
    gap: var(--space-4);
    padding: var(--space-4);
}

.app-account-center__summary-item {
    min-width: 0;
    display: grid;
    gap: var(--space-1);
}

.app-account-center__summary-item strong {
    min-width: 0;
    line-height: var(--line-height-heading);
    word-break: keep-all;
    overflow-wrap: normal;
    hyphens: none;
}

.app-account-center__summary-item:last-child strong {
    display: flex;
    align-items: center;
    min-height: 2.5rem;
    white-space: nowrap;
}

.app-account-center__summary-label {
    color: var(--color-muted);
    font-size: var(--font-size-xs);
}

.app-account-center__actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2);
    padding: var(--space-4);
    border-top: 1px solid var(--color-border);
    background: var(--color-slate-25);
}

/* ----------------------------------------------------------
   AUTHENTICATION UI
   Login dùng layout độc lập; đổi mật khẩu dùng Shared Layout.
   ---------------------------------------------------------- */

.auth-body {
    min-width: 20rem;
    min-height: 100vh;
    background:
        linear-gradient(
            110deg,
            rgba(8, 38, 75, 0.92),
            rgba(10, 100, 201, 0.72)
        ),
        radial-gradient(
            circle at 18% 22%,
            rgba(255, 255, 255, 0.16),
            transparent 28rem
        ),
        var(--color-primary-900);
}

.auth-shell {
    min-height: 100vh;
    display: grid;
    align-items: center;
    justify-items: center;
    padding: var(--space-6);
}

.auth-panel {
    width: min(100%, 33rem);
    margin-left: clamp(0rem, 8vw, 9rem);
    padding: var(--space-6);
    border: 1px solid rgba(255, 255, 255, 0.72);
    border-radius: var(--radius-xl);
    background: rgba(255, 255, 255, 0.97);
    box-shadow: var(--shadow-lg);
}

.auth-panel__header {
    display: grid;
    justify-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
    text-align: center;
}

.auth-brand-marks {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
}

.auth-brand-logo {
    width: 4rem;
    height: 4rem;
    display: block;
    object-fit: contain;
}

.auth-brand-logo--youth {
    width: 4.125rem;
    height: 4.125rem;
}

.auth-heading {
    display: grid;
    gap: var(--space-1);
}

.auth-heading__title {
    margin: 0;
    color: var(--color-primary-800);
    font-size: var(--font-size-xl);
    text-transform: uppercase;
    white-space: nowrap;
}

.auth-heading__organization,
.auth-heading__school {
    margin: 0;
    color: var(--color-muted);
}

.auth-heading__organization {
    font-weight: var(--font-weight-medium);
}

.auth-form {
    max-width: none;
    display: grid;
    gap: var(--space-4);
}

.auth-password-field {
    position: relative;
}

.auth-password-field > input {
    padding-right: 4.5rem;
}

.auth-password-toggle {
    position: absolute;
    top: 50%;
    right: var(--space-2);
    width: var(--touch-target-min);
    min-width: var(--touch-target-min);
    min-height: var(--touch-target-min);
    display: grid;
    place-items: center;
    padding: 0;
    border: 0;
    border-radius: var(--radius-sm);
    color: var(--color-primary-700);
    cursor: pointer;
    background: transparent;
    transform: translateY(-50%);
    transition:
        color var(--duration-fast) var(--easing-standard),
        transform var(--duration-fast) var(--easing-standard);
}

.auth-password-toggle:hover {
    color: var(--color-primary-900);
    background: transparent;
    transform: translateY(-50%) scale(1.12);
}

.auth-password-toggle:active {
    transform: translateY(-50%) scale(0.96);
}


.auth-password-icon {
    width: 1.25rem;
    height: 1.25rem;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
    pointer-events: none;
}

.auth-remember {
    justify-self: start;
}

.auth-submit {
    width: 100%;
}

.auth-panel__note {
    margin: var(--space-5) 0 0;
    color: var(--color-muted);
    font-size: var(--font-size-xs);
    text-align: center;
}

.auth-message {
    margin-bottom: var(--space-4);
}

.auth-page-header {
    margin-bottom: var(--space-3);
}

.auth-change-card {
    width: min(100%, 38rem);
    margin-inline: auto;
}

.auth-change-user {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.auth-change-form {
    max-width: none;
    display: grid;
    gap: var(--space-4);
}

.auth-form-actions {
    display: grid;
    grid-template-columns: auto auto;
    justify-content: end;
    gap: var(--space-2);
    padding-top: var(--space-2);
}


/* DASHBOARD LAYOUT */
.dashboard-page,.dashboard-section{display:grid;gap:var(--space-6)}.dashboard-page-header{margin:0}.dashboard-section{gap:var(--space-4)}.dashboard-section__header{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:var(--space-3)}.dashboard-section__icon{width:2.75rem;height:2.75rem;display:grid;place-items:center;border-radius:var(--radius-md);color:var(--color-primary-700);background:var(--color-primary-50)}.dashboard-section__title,.dashboard-section__description{margin:0}.dashboard-section__description{color:var(--color-muted);font-size:var(--font-size-sm)}.dashboard-grid,.dashboard-quick-actions__grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--space-4)}.app-nav__group{display:grid;gap:var(--space-1)}.app-nav__group+.app-nav__group{margin-top:var(--space-3);padding-top:var(--space-3);border-top:1px solid var(--color-border)}.app-nav__group-label{margin:0;padding:var(--space-1) var(--space-3);color:var(--color-muted);font-size:var(--font-size-xs);letter-spacing:.06em;text-transform:uppercase}.app-nav__group-items{display:grid;gap:var(--space-1)}

/* BUSINESS PAGE LAYOUT */
.business-page{display:grid;gap:var(--space-5)}
.business-detail-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-4)}
.business-detail-grid .business-detail-section:first-child{grid-column:1/-1}

/* Sprint 22A-H — Home Dashboard: compact operational overview. */
.dashboard-home{gap:var(--space-5)}
.dashboard-home .dashboard-page-header{padding-bottom:var(--space-1)}
.dashboard-context{display:grid;gap:var(--space-2);padding:var(--space-3) var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface);box-shadow:var(--shadow-xs)}
.dashboard-context__line{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-2) var(--space-4);color:var(--color-text-soft);font-size:var(--font-size-sm);line-height:var(--line-height-body)}
.dashboard-context__item{display:inline-flex;align-items:baseline;gap:var(--space-1);white-space:nowrap}
.dashboard-context__item:not(:last-child)::after{content:"·";margin-left:var(--space-3);color:var(--color-border-strong);font-weight:var(--font-weight-bold)}
.dashboard-context__item strong{color:var(--color-text);font-weight:var(--font-weight-semibold)}
.dashboard-home-section{display:grid;gap:var(--space-3)}
.dashboard-home-section__title{margin:0;color:var(--color-text);font-size:var(--font-size-lg);line-height:var(--line-height-heading);font-weight:var(--font-weight-bold)}
.dashboard-quick-actions__grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--space-3)}
.ui-quick-action{min-width:0;min-height:4rem;display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-lg);color:var(--color-text);background:var(--color-surface);box-shadow:var(--shadow-xs);transition:border-color var(--duration-fast),box-shadow var(--duration-fast),transform var(--duration-fast)}
.ui-quick-action:hover{border-color:var(--color-primary-200);color:var(--color-primary-700);text-decoration:none;box-shadow:var(--shadow-sm);transform:translateY(-1px)}
.ui-quick-action__icon{width:2.5rem;height:2.5rem;flex:0 0 auto;display:grid;place-items:center;border-radius:var(--radius-md);color:var(--color-primary-700);background:var(--color-primary-50)}
.ui-quick-action strong{min-width:0;overflow:hidden;font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);text-overflow:ellipsis;white-space:nowrap}