/* ============================================================================
   Kamba 360 — Portal do Aluno
   Tema "Forest & Amber" (o mesmo do Site, Escola e Admin)

   Este ficheiro e carregado DEPOIS de css/tailwind.min.css (Components/App.razor).
   E a unica camada de rebrand: o tailwind.min.css compilado nao e editado.
   ========================================================================== */

:root {
    /* Marca */
    --k-primary: var(--color-primary);
    --k-primary-600: var(--color-primary-hover);
    --k-primary-700: var(--color-primary-hover);
    --k-primary-container: var(--color-info);
    --k-secondary: var(--color-secondary-accent);
    --k-secondary-600: var(--color-success-strong);
    --k-accent: var(--color-accent);
    --k-accent-600: var(--color-accent-hover);
    --k-accent-700: var(--color-warning-strong);

    /* Superficies */
    --k-page: var(--color-background);
    --k-surface: var(--color-card);
    --k-surface-100: var(--color-surface-2);
    --k-surface-200: var(--color-primary-soft);
    --k-surface-300: var(--color-primary-soft);
    --k-surface-400: var(--color-success-soft);
    --k-border: var(--color-border);
    --k-border-strong: var(--color-success);

    /* Texto */
    --k-text: var(--color-foreground);
    --k-muted: var(--color-muted-foreground);
    --k-outline: var(--color-muted-foreground);

    /* Semantica */
    --k-error: var(--color-error);
    --k-error-soft: var(--color-error-soft);
    --k-warning: var(--color-warning-strong);
    --k-warning-soft: var(--color-warning-soft);
    --k-success: var(--color-success-strong);
    --k-success-soft: var(--color-primary-soft);

    /* Efeitos */
    --k-focus: color-mix(in srgb, var(--color-accent) 28%, transparent);
    --k-shadow-xs: 0 1px 2px color-mix(in srgb, var(--color-primary) 6%, transparent);
    --k-shadow-sm: 0 2px 8px color-mix(in srgb, var(--color-primary) 7%, transparent);
    --k-shadow: 0 10px 24px color-mix(in srgb, var(--color-primary) 9%, transparent);
    --k-shadow-lg: 0 20px 44px color-mix(in srgb, var(--color-primary) 16%, transparent);
    --k-radius: 10px;
    --k-radius-lg: 16px;
    --k-transition: 180ms ease;

    /* Escala tipografica (valores de desktop; sobrepostos por breakpoint) */
    --k-fs-display: 2rem;            /* 32px */
    --k-fs-display-mobile: 1.75rem;  /* 28px */
    --k-fs-headline: 1.1875rem;      /* 19px */
    --k-fs-body-lg: .9375rem;        /* 15px */
    --k-fs-body: .875rem;            /* 14px */
    --k-fs-label: .75rem;            /* 12px */
    --k-fs-caption: .65625rem;       /* 10.5px */
}

/* == 1. Base =============================================================== */

html {
    -webkit-text-size-adjust: 100%;
    scroll-padding-top: 5rem;
    scroll-behavior: smooth;
}

body {
    background: var(--k-page);
    color: var(--k-text);
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Fredoka nos títulos: mantém o carácter editorial do portal do aluno */
.font-display-lg,
.font-display-lg-mobile,
.font-headline-md {
    letter-spacing: -.01em;
}

::selection {
    background: color-mix(in srgb, var(--color-primary) 14%, transparent);
    color: var(--k-primary-600);
}

:focus-visible {
    outline: 3px solid var(--k-primary);
    outline-offset: 3px;
}

/* O Blazor foca o <h1> da pagina apos navegar (tabindex="-1"): nao desenhar anel */
:where(h1, h2, h3, [tabindex="-1"]):focus,
:where(h1, h2, h3, [tabindex="-1"]):focus-visible {
    outline: none;
}

input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: none;
}

* {
    scrollbar-width: thin;
    scrollbar-color: var(--k-border-strong) transparent;
}

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-thumb {
    background: var(--k-border-strong);
    border-radius: 999px;
    border: 2px solid var(--k-page);
}

::-webkit-scrollbar-track {
    background: transparent;
}

/* == 1b. Escala tipografica e densidade (mobile-first) ====================
   O portal e usado sobretudo no telefone (360x800). A escala do Tailwind
   fica demasiado grande: aqui e reduzida por breakpoint, mantendo os pesos. */

@media (max-width: 480px) {
    :root {
        --k-fs-display: 1.375rem;
        --k-fs-display-mobile: 1.375rem;
        --k-fs-headline: 1.0625rem;
        --k-fs-body-lg: .875rem;
        --k-fs-body: .84375rem;
        --k-fs-label: .75rem;
        --k-fs-caption: .65625rem;
    }

    .text-display-lg,
    .md\:text-display-lg { font-size: var(--k-fs-display); line-height: 1.2; }
    .text-display-lg-mobile,
    .text-\[2rem\] { font-size: var(--k-fs-display-mobile); line-height: 1.2; }
    .text-headline-md { font-size: var(--k-fs-headline); line-height: 1.3; }
    .text-body-lg { font-size: var(--k-fs-body-lg); line-height: 1.5; }
    .text-body-md { font-size: var(--k-fs-body); line-height: 1.45; }
    .text-label-sm { font-size: var(--k-fs-label); line-height: 1.35; }
    .text-caption { font-size: var(--k-fs-caption); line-height: 1.35; }
}

@media (min-width: 481px) and (max-width: 767px) {
    :root {
        --k-fs-display: 1.5rem;
        --k-fs-display-mobile: 1.5rem;
        --k-fs-headline: 1.125rem;
        --k-fs-body-lg: .90625rem;
        --k-fs-body: .875rem;
        --k-fs-label: .78125rem;
        --k-fs-caption: .6875rem;
    }

    .text-display-lg,
    .md\:text-display-lg { font-size: var(--k-fs-display); line-height: 1.2; }
    .text-display-lg-mobile,
    .text-\[2rem\] { font-size: var(--k-fs-display-mobile); line-height: 1.2; }
    .text-headline-md { font-size: var(--k-fs-headline); line-height: 1.3; }
    .text-body-lg { font-size: var(--k-fs-body-lg); line-height: 1.5; }
    .text-body-md { font-size: var(--k-fs-body); line-height: 1.45; }
    .text-label-sm { font-size: var(--k-fs-label); line-height: 1.35; }
    .text-caption { font-size: var(--k-fs-caption); line-height: 1.35; }
}

/* Tablets e PCs pequenos (10"): mais densidade, mesma legibilidade */
@media (min-width: 768px) and (max-width: 1199px) {
    :root {
        --k-fs-display: 1.75rem;
        --k-fs-display-mobile: 1.625rem;
        --k-fs-headline: 1.15625rem;
        --k-fs-body-lg: .90625rem;
        --k-fs-body: .84375rem;
        --k-fs-label: .71875rem;
        --k-fs-caption: .65625rem;
    }

    .text-display-lg,
    .md\:text-display-lg { font-size: var(--k-fs-display); line-height: 1.15; }
    .text-display-lg-mobile { font-size: var(--k-fs-display-mobile); line-height: 1.2; }
    .text-headline-md { font-size: var(--k-fs-headline); line-height: 1.3; }
    .text-body-lg { font-size: var(--k-fs-body-lg); line-height: 1.5; }
    .text-body-md { font-size: var(--k-fs-body); line-height: 1.45; }
    .text-label-sm { font-size: var(--k-fs-label); line-height: 1.35; }
    .text-caption { font-size: var(--k-fs-caption); line-height: 1.35; }
}

@media (min-width: 1200px) {
    .text-display-lg,
    .md\:text-display-lg { font-size: var(--k-fs-display); line-height: 1.15; }
    .text-display-lg-mobile { font-size: var(--k-fs-display-mobile); line-height: 1.2; }
    .text-headline-md { font-size: var(--k-fs-headline); line-height: 1.3; }
    .text-body-lg { font-size: var(--k-fs-body-lg); line-height: 1.5; }
    .text-body-md { font-size: var(--k-fs-body); line-height: 1.45; }
    .text-label-sm { font-size: var(--k-fs-label); line-height: 1.35; }
    .text-caption { font-size: var(--k-fs-caption); line-height: 1.35; }
}

/* Classes semanticas (guia de tipografia para novos componentes) */
.t-page {
    font-family: var(--font-display);
    font-size: var(--k-fs-display-mobile);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -.01em;
}

.t-section {
    font-family: var(--font-display);
    font-size: var(--k-fs-headline);
    font-weight: 600;
    line-height: 1.3;
}

.t-card {
    font-family: var(--font-display);
    font-size: var(--k-fs-body-lg);
    font-weight: 700;
    line-height: 1.25;
}

.t-meta {
    font-size: var(--k-fs-caption);
    line-height: 1.35;
    color: var(--k-muted);
}

/* Densidade: menos espaco morto, mais informacao por ecra */
@media (max-width: 767px) {
    .py-20 { padding-top: 2rem; padding-bottom: 2rem; }
    .py-16 { padding-top: 1.75rem; padding-bottom: 1.75rem; }
    .py-12 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
    .gap-8 { gap: 1.25rem; }
    .gap-6 { gap: 1rem; }
    .panel-card { padding: .85rem; border-radius: 14px; }
}

@media (min-width: 768px) {
    .py-20 { padding-top: 3.5rem; padding-bottom: 3.5rem; }
    .py-16 { padding-top: 3rem; padding-bottom: 3rem; }
}

/* == 3. Utilitarias ausentes no CSS compilado ==============================
   O tailwind.min.css foi gerado a partir de um scan incompleto: varias
   classes usadas nas paginas nao existem (bg-warning, text-warning,
   bg-black/70, text-[11px]...). Aqui ficam definidas na paleta da marca.  */

/* Container e respiro lateral do template (nao gerados pelo tailwind.min.css) */
.max-w-container-max { max-width: 1220px; }
.px-margin-mobile { padding-inline: 1rem; }

@media (min-width: 768px) {
    .md\:px-margin-desktop { padding-inline: 1.5rem; }
    .md\:p-margin-desktop { padding: 1.5rem; }
}

/* brand.css define .qs-btn{display:inline-flex} depois do Tailwind e com a
   mesma especificidade, anulando hidden/md:hidden. Repor a intencao. */
.hidden.qs-btn { display: none; }

@media (min-width: 768px) {
    .md\:hidden.qs-btn { display: none; }
    .md\:inline-flex.qs-btn { display: inline-flex; }
}

/* Texto amber sobre superficies claras: tom mais escuro para contraste AA */
.text-tertiary { color: var(--color-warning-strong); }
.text-tertiary\/80 { color: color-mix(in srgb, var(--color-warning-strong) 80%, transparent); }

.text-warning { color: var(--color-warning-strong); }
.text-warning\/80 { color: color-mix(in srgb, var(--color-warning-strong) 80%, transparent); }
.text-outline\/50 { color: color-mix(in srgb, var(--color-muted-foreground) 50%, transparent); }
.bg-warning { background-color: var(--k-accent); }
.bg-warning\/10 { background-color: color-mix(in srgb, var(--color-accent) 10%, transparent); }
.bg-warning\/15 { background-color: color-mix(in srgb, var(--color-accent) 15%, transparent); }
.border-warning\/30 { border-color: color-mix(in srgb, var(--color-accent) 30%, transparent); }
.bg-warning-container { background-color: var(--k-warning-soft); }
.text-on-warning-container { color: var(--k-warning); }

.text-success { color: var(--k-success); }
.bg-success { background-color: var(--k-success); }
.bg-success\/10 { background-color: color-mix(in srgb, var(--color-success-strong) 10%, transparent); }
.bg-success\/20 { background-color: color-mix(in srgb, var(--color-success-strong) 20%, transparent); }
.shadow-success\/20 { --tw-shadow-color: color-mix(in srgb, var(--color-success-strong) 20%, transparent); --tw-shadow: var(--tw-shadow-colored); }
.border-success\/30 { border-color: color-mix(in srgb, var(--color-success-strong) 30%, transparent); }
.bg-success-container { background-color: var(--k-success-soft); }
.text-on-success-container { color: var(--color-success-strong); }

.bg-error-container { background-color: var(--k-error-soft); }
.text-on-error-container { color: var(--color-error-strong); }
.bg-error\/10 { background-color: color-mix(in srgb, var(--color-error) 10%, transparent); }
.border-error\/30 { border-color: color-mix(in srgb, var(--color-error) 30%, transparent); }
.hover\:bg-error-container\/30:hover { background-color: color-mix(in srgb, var(--color-error) 12%, transparent); }

.bg-black\/20 { background-color: rgba(0, 0, 0, .20); }
.bg-black\/30 { background-color: rgba(0, 0, 0, .30); }
.bg-black\/60 { background-color: rgba(0, 0, 0, .60); }
.bg-black\/70 { background-color: rgba(0, 0, 0, .70); }
.bg-black\/90 { background-color: rgba(0, 0, 0, .90); }

.bg-on-surface\/60 { background-color: color-mix(in srgb, var(--color-foreground) 60%, transparent); }
.bg-surface\/90 { background-color: color-mix(in srgb, var(--color-on-dark) 90%, transparent); }
.bg-background\/95 { background-color: color-mix(in srgb, var(--color-on-dark) 95%, transparent); }
.border-outline-variant\/40 { border-color: color-mix(in srgb, var(--color-border) 40%, transparent); }
.border-primary\/30 { border-color: color-mix(in srgb, var(--color-primary) 30%, transparent); }
.border-t-primary { border-top-color: var(--k-primary); }
.border-dashed { border-style: dashed; }
.bg-error-container\/30 { background-color: color-mix(in srgb, var(--color-error-soft) 55%, transparent); }
.py-2\.5 { padding-top: .625rem; padding-bottom: .625rem; }
.rounded-b-\[2rem\] { border-bottom-right-radius: 2rem; border-bottom-left-radius: 2rem; }

.text-\[9px\] { font-size: 9px; }
.text-\[11px\] { font-size: 11px; }
.text-\[28px\] { font-size: 28px; }
.text-\[2rem\] { font-size: 2rem; }
.text-\[40px\] { font-size: 40px; }
.text-\[56px\] { font-size: 56px; }
.text-\[80px\] { font-size: 80px; }

/* Icones Material Symbols (a base vive em fonts.css; aqui fica o estado filled) */
.icon {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    display: inline-block;
    line-height: 1;
}

.icon.filled {
    font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

/* Utilitarias de layout/tamanho ausentes no build do Tailwind */
.m-0 { margin: 0; }
.mb-0 { margin-bottom: 0; }
.my-3 { margin-top: .75rem; margin-bottom: .75rem; }
.p-0 { padding: 0; }
.min-w-0 { min-width: 0; }
.self-start { align-self: flex-start; }
.min-w-max { min-width: max-content; }
.min-w-\[800px\] { min-width: 800px; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.align-middle { vertical-align: middle; }
.list-none { list-style-type: none; }
.backdrop-blur { backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.object-contain { object-fit: contain; }
.aspect-video { aspect-ratio: 16 / 9; }
.opacity-60 { opacity: .6; }
.opacity-80 { opacity: .8; }
.shadow {
    --tw-shadow: 0 1px 3px 0 rgb(0 0 0 / .1), 0 1px 2px -1px rgb(0 0 0 / .1);
    box-shadow: var(--tw-ring-offset-shadow, 0 0 #0000), var(--tw-ring-shadow, 0 0 #0000), var(--tw-shadow);
}

.w-4 { width: 1rem; }
.w-16 { width: 4rem; }
.w-9 { width: 2.25rem; }
.h-3 { height: .75rem; }
.h-9 { height: 2.25rem; }
.h-20 { height: 5rem; }
.h-28 { height: 7rem; }
.gap-5 { gap: 1.25rem; }
.gap-x-4 { column-gap: 1rem; }
.gap-y-1 { row-gap: .25rem; }
.whitespace-pre-line { white-space: pre-line; }
.pl-2 { padding-left: .5rem; }
.px-1 { padding-left: .25rem; padding-right: .25rem; }
.pb-8 { padding-bottom: 2rem; }
.max-w-sm { max-width: 24rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-\[220px\] { max-width: 220px; }
.max-w-\[280px\] { max-width: 280px; }
.min-h-\[280px\] { min-height: 280px; }
.min-h-\[320px\] { min-height: 320px; }
.min-h-\[400px\] { min-height: 400px; }
.min-h-\[60vh\] { min-height: 60vh; }

.-top-1 { top: -.25rem; }
.top-0\.5 { top: .125rem; }
.top-14 { top: 3.5rem; }
.bottom-2 { bottom: .5rem; }
.bottom-4 { bottom: 1rem; }
.left-2 { left: .5rem; }
.mb-0\.5 { margin-bottom: .125rem; }
.mb-5 { margin-bottom: 1.25rem; }
.mb-7 { margin-bottom: 1.75rem; }
.mt-3 { margin-top: .75rem; }
.mt-10 { margin-top: 2.5rem; }
.mr-1 { margin-right: .25rem; }
.pb-16 { padding-bottom: 4rem; }
.pl-3 { padding-left: .75rem; }

.hover\:shadow-xl:hover {
    --tw-shadow: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .1);
    box-shadow: var(--tw-ring-offset-shadow, 0 0 #0000), var(--tw-ring-shadow, 0 0 #0000), var(--tw-shadow);
}

.hover\:scale-110:hover { transform: scale(1.1); }
.group:hover .group-hover\:scale-105 { transform: scale(1.05); }
.group:hover .group-hover\:scale-110 { transform: scale(1.1); }
.hover\:bg-black\/90:hover { background-color: rgba(0, 0, 0, .9); }
.hover\:bg-surface-container-low\/50:hover { background-color: color-mix(in srgb, var(--color-surface-2) 50%, transparent); }

@media (min-width: 640px) {
    .sm\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .sm\:max-w-xs { max-width: 20rem; }
}

@media (min-width: 768px) {
    .md\:block { display: block; }
    .md\:h-9 { height: 2.25rem; }
    .md\:h-10 { height: 2.5rem; }
    .md\:w-9 { width: 2.25rem; }
    .md\:w-10 { width: 2.5rem; }
    .md\:gap-3 { gap: .75rem; }
    .md\:h-16 { height: 4rem; }
    .md\:gap-4 { gap: 1rem; }
    .md\:gap-5 { gap: 1.25rem; }
    .md\:inline-flex { display: inline-flex; }
    .md\:mb-10 { margin-bottom: 2.5rem; }
    .md\:pl-4 { padding-left: 1rem; }
    .md\:py-4 { padding-top: 1rem; padding-bottom: 1rem; }
    .md\:py-16 { padding-top: 4rem; padding-bottom: 4rem; }
    .md\:rounded-none { border-radius: 0; }
    .md\:text-body-lg { font-size: 18px; line-height: 1.6; font-weight: 400; }
    .md\:text-headline-md { font-size: 24px; line-height: 1.3; font-weight: 600; }
}

@media (min-width: 1024px) {
    .lg\:aspect-auto { aspect-ratio: auto; }
    .lg\:col-span-1 { grid-column: span 1 / span 1; }
    .lg\:col-span-2 { grid-column: span 2 / span 2; }
    .lg\:gap-12 { gap: 3rem; }
    .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .lg\:grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
    .lg\:grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}

@media (min-width: 1280px) {
    .xl\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
    .lg\:inline-flex { display: inline-flex; }
}

/* Gradientes (from-/to- usados nas paginas) */
.from-primary {
    --tw-gradient-from: var(--color-primary) var(--tw-gradient-from-position);
    --tw-gradient-to: color-mix(in srgb, var(--color-primary) 0%, transparent) var(--tw-gradient-to-position);
    --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to);
}
.from-secondary {
    --tw-gradient-from: var(--color-secondary-accent) var(--tw-gradient-from-position);
    --tw-gradient-to: color-mix(in srgb, var(--color-secondary-accent) 0%, transparent) var(--tw-gradient-to-position);
    --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to);
}
.to-primary { --tw-gradient-to: var(--color-primary) var(--tw-gradient-to-position); }
.to-secondary { --tw-gradient-to: var(--color-secondary-accent) var(--tw-gradient-to-position); }
.decoration-primary { text-decoration-color: var(--k-primary); }

/* == 4. Primitivas partilhadas ============================================ */

:where(.qs-btn) {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    min-height: 2.5rem;
    padding: .6rem 1rem;
    border: 1px solid transparent;
    border-radius: var(--k-radius);
    background: transparent;
    color: inherit;
    font: inherit;
    font-size: .875rem;
    font-weight: 700;
    line-height: 1.2;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    transition: background-color var(--k-transition), border-color var(--k-transition),
        color var(--k-transition), box-shadow var(--k-transition), transform var(--k-transition);
}

:where(.qs-btn:disabled),
:where(.qs-btn[disabled]) {
    opacity: .62;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

:where(.qs-btn) .icon { font-size: 1.15rem; }

.qs-btn-primary {
    background: linear-gradient(135deg, var(--k-primary), var(--k-primary-600));
    color: var(--color-on-primary);
    border-color: color-mix(in srgb, var(--color-primary) 12%, transparent);
    box-shadow: 0 6px 14px color-mix(in srgb, var(--color-primary) 16%, transparent);
}

.qs-btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--k-primary-600), var(--k-primary-700));
    color: var(--color-on-primary);
}

.qs-btn-primary:active:not(:disabled) { transform: translateY(1px); }

.qs-btn-outline {
    background: var(--k-surface);
    color: var(--k-primary);
    border-color: var(--k-border-strong);
}

.qs-btn-outline:hover:not(:disabled) {
    background: var(--k-surface-100);
    border-color: var(--k-secondary);
    color: var(--k-primary-600);
}

.qs-btn-ghost {
    background: transparent;
    color: var(--k-secondary-600);
}

.qs-btn-ghost:hover:not(:disabled) {
    background: color-mix(in srgb, var(--color-secondary-accent) 12%, transparent);
    color: var(--k-primary);
}

.qs-btn-warning {
    background: linear-gradient(135deg, var(--k-accent), var(--k-accent-600));
    color: var(--k-text);
    border-color: color-mix(in srgb, var(--color-accent) 34%, transparent);
}

.qs-btn-warning:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--k-accent-600), var(--k-accent-700));
    color: var(--k-text);
}

.qs-btn-success {
    background: var(--k-success);
    color: var(--color-on-primary);
    border-color: color-mix(in srgb, var(--color-success-strong) 30%, transparent);
}

.qs-btn-success:hover:not(:disabled) { background: var(--color-success-strong); color: var(--color-on-primary); }

.qs-btn-danger {
    background: var(--k-error);
    color: var(--color-on-primary);
    border-color: color-mix(in srgb, var(--color-error) 30%, transparent);
}

.qs-btn-danger:hover:not(:disabled) { background: var(--color-error); color: var(--color-on-primary); }

.qs-btn-sm {
    min-height: 2rem;
    padding: .35rem .7rem;
    font-size: .8rem;
    border-radius: 8px;
}

.qs-btn-icon {
    width: 2.25rem;
    min-height: 2.25rem;
    padding: 0;
    border-radius: 999px;
}

.panel-card {
    background: var(--k-surface);
    border: 1px solid var(--k-border);
    border-radius: var(--k-radius-lg);
    box-shadow: var(--k-shadow-sm);
    padding: 1rem 1.1rem;
}

.panel-card > .panel-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: .6rem;
}

.panel-card > .panel-header h2,
.panel-card > .panel-header h3 {
    font-size: .9375rem;
    font-weight: 700;
    margin: 0;
    color: var(--k-text);
}

.panel-card > .panel-header p {
    margin: .15rem 0 0;
    font-size: .7rem;
    color: var(--k-muted);
}

/* Formularios (compactos: referencia para todo o portal) */
.form-label {
    display: block;
    margin-bottom: .2rem;
    font-size: .65625rem;   /* 10.5px */
    font-weight: 800;
    letter-spacing: .05em;
    text-transform: uppercase;
    color: var(--k-muted);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    min-height: 2.5rem;
    padding: .45rem .6rem;
    border: 1px solid var(--k-border-strong);
    border-radius: var(--k-radius);
    background: var(--k-surface);
    color: var(--k-text);
    font: inherit;
    font-size: .8125rem;   /* 13px */
    transition: border-color var(--k-transition), box-shadow var(--k-transition);
}

@media (min-width: 768px) {
    .form-input,
    .form-select,
    .form-textarea { min-height: 2.25rem; }
}

.form-input::placeholder,
.form-textarea::placeholder { color: var(--color-text-subtle); }

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--k-secondary);
    box-shadow: 0 0 0 3px var(--k-focus);
}

.form-input.invalid,
.form-select.invalid,
.form-textarea.invalid {
    border-color: var(--k-error);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-error) 14%, transparent);
}

.form-alert {
    display: flex;
    align-items: flex-start;
    gap: .6rem;
    padding: .75rem .9rem;
    border: 1px solid transparent;
    border-radius: var(--k-radius);
    font-size: .85rem;
    line-height: 1.45;
}

.form-alert-error {
    background: var(--k-error-soft);
    border-color: color-mix(in srgb, var(--color-error) 24%, transparent);
    color: var(--color-error-strong);
}

.form-alert-success {
    background: var(--k-success-soft);
    border-color: color-mix(in srgb, var(--color-success-strong) 26%, transparent);
    color: var(--color-success-strong);
}

/* == 5. Estados =========================================================== */

.spinner {
    display: inline-block;
    width: 1.05rem;
    height: 1.05rem;
    vertical-align: -2px;
    border: 2px solid color-mix(in srgb, var(--color-primary) 18%, transparent);
    border-top-color: var(--k-primary);
    border-radius: 50%;
    animation: k-spin .7s linear infinite;
}

.qs-btn-primary .spinner,
.qs-btn-success .spinner,
.qs-btn-danger .spinner,
.toast-sucesso .spinner {
    border-color: rgba(255, 255, 255, .35);
    border-top-color: var(--color-on-primary);
}

@keyframes k-spin { to { transform: rotate(360deg); } }

.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: .9rem;
    min-height: 12rem;
    padding: 2.5rem 1.5rem;
    background: var(--k-surface);
    border: 1px dashed var(--k-border-strong);
    border-radius: var(--k-radius-lg);
    color: var(--k-muted);
    text-align: center;
}

.loading-state .icon,
.loading-state .spinner { color: var(--k-primary); }

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: .6rem;
    padding: 2.5rem 1.5rem;
    background: var(--k-surface);
    border: 1px dashed var(--k-border);
    border-radius: var(--k-radius-lg);
    color: var(--k-muted);
    text-align: center;
}

.empty-state .icon {
    font-size: 2rem;
    color: var(--k-secondary);
}

.empty-state strong { color: var(--k-text); }

.toast-sucesso {
    position: fixed;
    right: 1.25rem;
    bottom: 1.25rem;
    z-index: 120;
    display: flex;
    align-items: center;
    gap: .6rem;
    max-width: min(92vw, 26rem);
    padding: .85rem 1.1rem;
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: var(--k-radius);
    background: var(--k-primary);
    color: var(--color-on-primary);
    font-size: .875rem;
    font-weight: 600;
    box-shadow: var(--k-shadow-lg);
    animation: k-toast-in .22s ease-out;
}

@keyframes k-toast-in {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: none; }
}

.overlay-carregamento {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 1.5rem;
    background: color-mix(in srgb, var(--color-primary) 45%, transparent);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    color: var(--color-on-primary);
    font-weight: 600;
    text-align: center;
}

.overlay-spinner {
    width: 2.6rem;
    height: 2.6rem;
    border: 3px solid rgba(255, 255, 255, .28);
    border-top-color: var(--color-on-primary);
    border-radius: 50%;
    animation: k-spin .8s linear infinite;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    padding: .2rem .55rem;
    border-radius: 999px;
    font-size: .7rem;
    font-weight: 800;
    letter-spacing: .02em;
    text-transform: uppercase;
}

.badge-info { background: color-mix(in srgb, var(--color-secondary-accent) 14%, transparent); color: var(--k-secondary-600); }
.badge-secondary { background: var(--k-surface-200); color: var(--k-muted); }
.badge-success { background: var(--k-success-soft); color: var(--color-success-strong); }
.badge-warning { background: var(--k-warning-soft); color: var(--k-warning); }
.badge-error { background: var(--k-error-soft); color: var(--color-error-strong); }
.badge-premium { background: linear-gradient(135deg, var(--color-warning-soft), var(--k-accent)); color: var(--color-warning-strong); }

/* == 6. Estrutura do portal =============================================== */

.hero-gradient {
    background:
        radial-gradient(circle at 0% 0%, color-mix(in srgb, var(--color-border) 90%, transparent) 0%, transparent 42%),
        radial-gradient(circle at 100% 100%, color-mix(in srgb, var(--color-warning-soft) 85%, transparent) 0%, transparent 44%),
        var(--k-page);
}

.bg-login-gradient {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
}

.glass-overlay {
    background: linear-gradient(135deg, color-mix(in srgb, var(--color-primary) 88%, transparent) 0%, color-mix(in srgb, var(--color-secondary-accent) 72%, transparent) 100%);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.glass-panel,
.glass-effect {
    background: rgba(255, 255, 255, .82);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.glass-card {
    background: rgba(255, 255, 255, .82);
    border: 1px solid var(--k-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.premium-gold-gradient {
    background: linear-gradient(135deg, var(--color-warning-soft) 0%, var(--k-accent) 100%);
}

.success-pulse { animation: k-pulse-ring 2s cubic-bezier(.4, 0, .6, 1) infinite; }

@keyframes k-pulse-ring {
    0%, 100% { opacity: .24; transform: scale(1); }
    50% { opacity: .1; transform: scale(1.08); }
}

.animate-blink { animation: k-blink 1.6s ease-in-out infinite; }

@keyframes k-blink {
    0%, 100% { opacity: 1; }
    50% { opacity: .45; }
}

.no-scrollbar::-webkit-scrollbar { display: none; }
.no-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }

.bento-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 1.5rem;
}

.sidebar-item-active { font-variation-settings: 'FILL' 1; }

/* Sidebar verde-escuro — igual ao back-office da Escola e do Admin */
.portal-sidebar {
    background: linear-gradient(180deg, var(--k-primary) 0%, var(--k-primary-600) 100%);
    border-right: 1px solid color-mix(in srgb, var(--color-on-dark) 14%, transparent);
}

.portal-sidebar .portal-brand { color: var(--color-on-primary); }

.portal-sidebar .portal-nav-link {
    color: color-mix(in srgb, var(--color-on-dark) 82%, transparent);
}

.portal-sidebar .portal-nav-link:hover {
    background: color-mix(in srgb, var(--color-on-dark) 8%, transparent);
    color: var(--color-on-primary);
}

.portal-sidebar .portal-nav-link.active {
    background: color-mix(in srgb, var(--color-secondary-accent) 28%, transparent);
    color: var(--color-on-primary);
    font-weight: 700;
}

.portal-sidebar .portal-nav-sep { border-color: color-mix(in srgb, var(--color-on-dark) 16%, transparent); }
.portal-sidebar .portal-premium { color: var(--color-warning-soft); }
.portal-sidebar .portal-premium:hover { background: color-mix(in srgb, var(--color-accent) 16%, transparent); color: var(--color-warning-soft); }
.portal-sidebar .portal-logout { color: var(--color-error); }
.portal-sidebar .portal-logout:hover { background: color-mix(in srgb, var(--color-error) 24%, transparent); color: var(--color-on-primary); }
.portal-sidebar .portal-status {
    background: color-mix(in srgb, var(--color-on-dark) 8%, transparent);
    border: 1px solid color-mix(in srgb, var(--color-on-dark) 18%, transparent);
    color: color-mix(in srgb, var(--color-on-dark) 92%, transparent);
}

.portal-sidebar .nav-section {
    margin: .35rem 0 0;
    padding: .45rem .75rem .15rem;
    font-size: .6rem;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: color-mix(in srgb, var(--color-on-dark) 50%, transparent);
}

.portal-sidebar-rail .nav-section { display: none; }

/* Sidebar: expandida (16rem) / rail de icones (4.5rem) / oculta (0) */
.portal-sidebar-expandida { width: 16rem; }
.portal-sidebar-rail { width: 4.5rem; }

.portal-sidebar-rail .nav-label,
.portal-sidebar-rail .sidebar-brand-text,
.portal-sidebar-rail .sidebar-brand-sub { display: none; }

.portal-sidebar-rail .portal-nav-link,
.portal-sidebar-rail .portal-premium,
.portal-sidebar-rail .portal-logout {
    justify-content: center;
    padding: .7rem .5rem;
}

.portal-sidebar-rail .sidebar-brand { justify-content: center; padding-left: 0; padding-right: 0; }
.portal-sidebar-rail .sidebar-brand > a { justify-content: center; }

@media (min-width: 768px) {
    .portal-main-rail { margin-left: 4.5rem; }
}

/* Itens do menu lateral (o markup vive nos layouts) */
.ml-body .menu-item {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .7rem .75rem;
    border-radius: 10px;
    color: var(--k-text);
    font-size: .875rem;
    font-weight: 600;
    text-decoration: none;
    transition: background-color 160ms ease, color 160ms ease;
}

.ml-body .menu-item:hover {
    background: var(--k-surface-200);
    color: var(--k-primary);
}

.ml-body .menu-item.active {
    background: var(--k-primary);
    color: var(--color-on-primary);
}

.ml-body .menu-item .icon { font-size: 1.25rem; }
.ml-body .menu-item.locked { color: var(--k-muted); }
.ml-body .menu-item.locked .menu-lock { font-size: 1rem; margin-left: auto; }

.ml-body .menu-sep {
    border: 0;
    border-top: 1px solid var(--k-border);
    margin: .5rem 0;
}

.ml-body .menu-section {
    padding: .55rem .75rem .25rem;
    font-size: .68rem;
    font-weight: 800;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--k-muted);
}

.ml-footer .menu-plan {
    display: flex;
    align-items: center;
    gap: .6rem;
    margin-bottom: .6rem;
    font-size: .75rem;
    color: var(--k-muted);
}

.ml-footer .menu-plan strong { color: var(--k-primary); }

.ml-footer .menu-logout {
    display: flex;
    align-items: center;
    gap: .6rem;
    width: 100%;
    padding: .6rem .2rem;
    border: 0;
    background: transparent;
    color: var(--k-error);
    font: inherit;
    font-size: .82rem;
    font-weight: 700;
    text-align: left;
    cursor: pointer;
}

.ml-footer .menu-logout:hover { color: var(--color-error); }

.portal-topbar {
    background: rgba(255, 255, 255, .92);
    border-bottom: 1px solid var(--k-border);
    box-shadow: var(--k-shadow-xs);
}

.portal-bottomnav {
    background: rgba(255, 255, 255, .96);
    border-top: 1px solid var(--k-border);
    box-shadow: 0 -8px 24px color-mix(in srgb, var(--color-primary) 8%, transparent);
}

.portal-bottomnav .active { color: var(--k-primary); }

/* Selector de idioma (Escola de Idiomas) — visual por agora */
.lang-switch {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    padding: .3rem .6rem;
    border: 1px solid var(--k-border);
    border-radius: 999px;
    background: var(--k-surface);
    color: var(--k-muted);
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .02em;
    white-space: nowrap;
    user-select: none;
    cursor: default;
}

.lang-switch-label { font-weight: 600; }
.lang-switch-opt { padding: 0 .12rem; color: var(--k-muted); }
.lang-switch-opt.is-active { color: var(--k-primary); font-weight: 800; }
.lang-switch-sep { color: var(--k-border-strong); }

@media (max-width: 1399px) {
    .lang-switch-label { display: none; }
}

/* Ecra bloqueado (cadeado) e pre-visualizacao com CTA */
.lock-badge {
    width: 5rem;
    height: 5rem;
    margin: 0 auto 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: var(--k-warning-soft);
    border: 1px solid color-mix(in srgb, var(--color-accent) 32%, transparent);
    color: var(--color-warning-strong);
}

.lock-badge .icon { font-size: 2.25rem; }

.locked-preview { position: relative; }

.locked-preview-grid {
    filter: blur(5px);
    opacity: .55;
    pointer-events: none;
    user-select: none;
}

.locked-preview-cta {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: .75rem;
    padding: 1.5rem;
    text-align: center;
    border-radius: var(--k-radius-lg);
    background: linear-gradient(180deg, color-mix(in srgb, var(--color-on-dark) 55%, transparent) 0%, color-mix(in srgb, var(--color-on-dark) 92%, transparent) 55%);
}

.locked-preview-cta .icon { font-size: 2rem; color: var(--k-primary); }
.locked-preview-cta h3 { margin: 0; font-size: 1.1rem; font-weight: 700; color: var(--k-text); }
.locked-preview-cta p { margin: 0; max-width: 26rem; font-size: .85rem; color: var(--k-muted); }

/* Cartoes de conteudo: sombra suave da marca */
.portal-card {
    background: var(--k-surface);
    border: 1px solid var(--k-border);
    border-radius: var(--k-radius-lg);
    box-shadow: var(--k-shadow-sm);
    transition: box-shadow var(--k-transition), border-color var(--k-transition), transform var(--k-transition);
}

.portal-card:hover {
    border-color: var(--k-border-strong);
    box-shadow: var(--k-shadow);
}

/* == 6b. Configuracoes (pagina de referencia) ============================= */

.page-head { margin-bottom: .85rem; }
.page-head h1 { margin: 0 0 .15rem; }
.page-head p { margin: 0; }

.profile-strip {
    display: flex;
    align-items: center;
    gap: .75rem;
}

.profile-strip .profile-avatar {
    width: 3.25rem;
    height: 3.25rem;
    border-radius: 999px;
    border: 2px solid var(--k-primary);
    object-fit: cover;
    flex-shrink: 0;
}

.profile-strip .profile-info {
    display: flex;
    flex-direction: column;
    gap: .1rem;
    min-width: 0;
    flex: 1;
}

.profile-strip .profile-info strong {
    font-size: .9375rem;
    line-height: 1.2;
    color: var(--k-text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.profile-strip .profile-info span {
    font-size: .6875rem;
    line-height: 1.2;
    color: var(--k-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.profile-strip .badge { flex-shrink: 0; }

.settings-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: .85rem;
    margin-top: .85rem;
}

@media (min-width: 768px) {
    .settings-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.field-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .6rem .75rem;
}

.field-full { grid-column: 1 / -1; }

.security-row {
    display: flex;
    align-items: center;
    gap: .65rem;
}

.security-row > .icon { color: var(--k-primary); }

.security-info {
    display: flex;
    flex-direction: column;
    gap: .1rem;
    min-width: 0;
    flex: 1;
}

.security-info strong { font-size: .8125rem; line-height: 1.2; }
.security-info span { font-size: .75rem; color: var(--k-muted); letter-spacing: .16em; }

.settings-hint {
    margin: .6rem 0 0;
    font-size: .65625rem;
    line-height: 1.4;
    color: var(--k-muted);
}

.notif-list {
    display: flex;
    flex-direction: column;
    gap: .35rem;
}

.notif-row {
    display: flex;
    align-items: center;
    gap: .55rem;
    padding: .35rem .5rem;
    border: 1px solid var(--k-border);
    border-radius: 10px;
    background: var(--k-surface-100);
}

.notif-row > .icon {
    font-size: 1.05rem;
    color: var(--k-primary);
}

.notif-text {
    display: flex;
    flex-direction: column;
    gap: .05rem;
    min-width: 0;
    flex: 1;
}

.notif-text strong { font-size: .75rem; line-height: 1.2; }
.notif-text small { font-size: .65625rem; line-height: 1.2; color: var(--k-muted); }

.session-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .75rem;
}

.session-row p { margin: 0; font-size: .75rem; color: var(--k-muted); }

/* Interruptor compacto */
.switch {
    position: relative;
    width: 2.4rem;
    height: 1.3rem;
    flex-shrink: 0;
    padding: 0;
    border: 0;
    border-radius: 999px;
    cursor: pointer;
    transition: background-color 180ms ease;
}

.switch.on { background: var(--k-primary); }
.switch.off { background: var(--k-border-strong); }

.switch > span {
    position: absolute;
    top: .15rem;
    width: 1rem;
    height: 1rem;
    border-radius: 999px;
    background: var(--color-card);
    box-shadow: 0 1px 2px rgba(0, 0, 0, .22);
    transition: left 180ms ease, right 180ms ease;
}

.switch.on > span { right: .15rem; }
.switch.off > span { left: .15rem; }

@media (prefers-reduced-motion: reduce) {
    .switch, .switch > span { transition: none; }
}

.feed-sentinel {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    padding: 1rem 0;
    color: var(--k-muted);
    font-size: .75rem;
}

.feed-end {
    margin: 0;
    padding: .75rem 0;
    text-align: center;
    color: var(--k-muted);
    font-size: .6875rem;
}

/* == 7. Responsivo ======================================================== */

@media (max-width: 768px) {
    .toast-sucesso {
        left: 1rem;
        right: 1rem;
        bottom: 1rem;
        max-width: none;
    }

    .panel-card { padding: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }

    *,
    *::before,
    *::after {
        animation-duration: .001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .001ms !important;
        scroll-behavior: auto !important;
    }
}