/* =========================================================
   1. CONFIGURAÇÕES GLOBAIS
   ========================================================= */

:root {
    color-scheme: light dark;

    /* Tipografia */
    --font-family: system-ui, -apple-system, BlinkMacSystemFont,
                   "Segoe UI", sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;

    /* Escala de espaçamento */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.5rem;
    --space-6: 2rem;
    --space-7: 3rem;

    /* Layout */
    --container-width: 1200px;
    --container-padding: 1.25rem;
    --header-height: 4rem;

    /* Formas */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-full: 999px;

    /* Transições */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;

    /* Camadas */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-modal: 1000;

    /* Cor de destaque */
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-primary-text: #ffffff;

    /* Estados */
    --color-success: #16a34a;
    --color-warning: #d97706;
    --color-danger: #dc2626;
    --color-info: #0284c7;
}


/* =========================================================
   2. TEMA CLARO
   ========================================================= */

:root {
    --color-bg: #ffffff;
    --color-bg-secondary: #f8fafc;
    --color-bg-tertiary: #f1f5f9;

    --color-surface: #ffffff;
    --color-surface-hover: #f8fafc;

    --color-text: #0f172a;
    --color-text-secondary: #475569;
    --color-text-muted: #64748b;

    --color-border: #e2e8f0;
    --color-border-strong: #cbd5e1;

    --color-link: var(--color-primary);
    --color-link-hover: var(--color-primary-hover);

    --color-input-bg: #ffffff;
    --color-input-border: #cbd5e1;
    --color-input-text: #0f172a;
    --color-placeholder: #94a3b8;

    --color-code-bg: #f1f5f9;

    --shadow-sm: 0 1px 2px rgb(15 23 42 / 5%);
    --shadow-md: 0 4px 12px rgb(15 23 42 / 8%);
    --shadow-lg: 0 12px 32px rgb(15 23 42 / 12%);
}


/* =========================================================
   3. TEMA ESCURO AUTOMÁTICO
   ========================================================= */

@media (prefers-color-scheme: dark) {
    :root {
        --color-bg: #0b1120;
        --color-bg-secondary: #111827;
        --color-bg-tertiary: #1e293b;

        --color-surface: #111827;
        --color-surface-hover: #1e293b;

        --color-text: #f1f5f9;
        --color-text-secondary: #cbd5e1;
        --color-text-muted: #94a3b8;

        --color-border: #293548;
        --color-border-strong: #475569;

        --color-link: #60a5fa;
        --color-link-hover: #93c5fd;

        --color-input-bg: #111827;
        --color-input-border: #475569;
        --color-input-text: #f1f5f9;
        --color-placeholder: #94a3b8;

        --color-code-bg: #1e293b;

        --shadow-sm: 0 1px 2px rgb(0 0 0 / 20%);
        --shadow-md: 0 4px 12px rgb(0 0 0 / 25%);
        --shadow-lg: 0 12px 32px rgb(0 0 0 / 35%);

        --color-primary: #3b82f6;
        --color-primary-hover: #60a5fa;
        --color-primary-text: #ffffff;
    }
}


/* =========================================================
   4. RESET E NORMALIZAÇÃO
   ========================================================= */

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    background: var(--color-bg);
    color: var(--color-text);

    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    min-width: 320px;
    min-height: 100vh;

    background: var(--color-bg);
    color: var(--color-text);

    background-image: url('/images/grandefmcup_bg_mas.jpg');
    background-position: bottom center;
    background-repeat: no-repeat;

    transition:
        background-color var(--transition-normal),
        color var(--transition-normal);
}

img,
picture,
video,
canvas,
svg {
    display: block;
    max-width: 100%;
}

img,
video {
    height: auto;
}

button,
input,
select,
textarea {
    font: inherit;
}

button {
    cursor: pointer;
}

button:disabled {
    cursor: not-allowed;
    opacity: 0.55;
}

a {
    color: var(--color-link);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-link-hover);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
}

::selection {
    color: var(--color-primary-text);
    background: var(--color-primary);
}


/* =========================================================
   5. TIPOGRAFIA
   ========================================================= */

h1,
h2,
h3,
h4,
h5,
h6 {
    margin: 0 0 var(--space-4);
    line-height: 1.2;
    font-weight: 700;
    color: var(--color-text);
}

h1 {
    font-size: clamp(2rem, 5vw, 3rem);
}

h2 {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
}

h3 {
    font-size: 1.25rem;
}

p {
    margin: 0 0 var(--space-4);
}

small,
.text-muted {
    color: var(--color-text-muted);
}

.text-secondary {
    color: var(--color-text-secondary);
}

strong,
b {
    font-weight: 700;
}

code,
pre,
kbd,
samp {
    font-family: ui-monospace, SFMono-Regular, Consolas,
                 "Liberation Mono", monospace;
}

code,
kbd {
    padding: 0.15em 0.4em;
    border-radius: var(--radius-sm);
    background: var(--color-code-bg);
}

pre {
    overflow-x: auto;
    padding: var(--space-4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-code-bg);
}

pre code {
    padding: 0;
    background: transparent;
}


/* =========================================================
   6. LAYOUT E CONTAINERS
   ========================================================= */

.container {
    width: min(100% - 2 * var(--container-padding),
               var(--container-width));
    margin-inline: auto;
}

.section {
    padding-block: var(--space-7);
}

.stack > * + * {
    margin-top: var(--space-4);
}

.cluster {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-3);
}

.grid {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: var(--space-4);
}

.grid > * {
    min-width: 0;
}

.grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}


/* =========================================================
   7. CABEÇALHO E NAVEGAÇÃO
   ========================================================= */

.site-header {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);

    min-height: var(--header-height);
    display: flex;
    align-items: center;

    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
}

.site-logo {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--color-text);
}

.site-nav {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-4);
}

.site-nav a {
    color: var(--color-text-secondary);
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
    color: var(--color-primary);
}


/* =========================================================
   8. CARDS E SUPERFÍCIES
   ========================================================= */

.card {
    padding: var(--space-5);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);

    background: var(--color-surface);
    box-shadow: var(--shadow-sm);

    transition:
        background-color var(--transition-normal),
        border-color var(--transition-normal),
        box-shadow var(--transition-normal);
}

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

.card__title {
    margin-bottom: var(--space-2);
}

.card__content {
    color: var(--color-text-secondary);
}


/* =========================================================
   9. BOTÕES
   ========================================================= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);

    min-height: 2.75rem;
    padding: 0.65rem 1rem;

    border: 1px solid transparent;
    border-radius: var(--radius-md);

    font-weight: 600;
    text-align: center;
    text-decoration: none;

    transition:
        background-color var(--transition-fast),
        border-color var(--transition-fast),
        color var(--transition-fast);
}

.btn--primary {
    color: var(--color-primary-text);
    background: var(--color-primary);
}

.btn--primary:hover {
    color: var(--color-primary-text);
    background: var(--color-primary-hover);
}

.btn--secondary {
    color: var(--color-text);
    background: var(--color-bg-tertiary);
    border-color: var(--color-border);
}

.btn--secondary:hover {
    background: var(--color-surface-hover);
    border-color: var(--color-border-strong);
}

.btn--outline {
    color: var(--color-primary);
    background: transparent;
    border-color: var(--color-primary);
}

.btn--outline:hover {
    color: var(--color-primary-text);
    background: var(--color-primary);
}

.btn--danger {
    color: #ffffff;
    background: var(--color-danger);
}


/* =========================================================
   10. FORMULÁRIOS
   ========================================================= */

.form-group {
    display: grid;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

label {
    font-weight: 600;
}

input,
select,
textarea {
    width: 100%;
    min-height: 2.75rem;
    padding: 0.65rem 0.75rem;

    color: var(--color-input-text);
    background: var(--color-input-bg);

    border: 1px solid var(--color-input-border);
    border-radius: var(--radius-md);

    transition:
        border-color var(--transition-fast),
        box-shadow var(--transition-fast);
}

textarea {
    min-height: 8rem;
    resize: vertical;
}

input::placeholder,
textarea::placeholder {
    color: var(--color-placeholder);
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--color-primary);
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in srgb,
        var(--color-primary) 20%, transparent);
}


/* =========================================================
   11. TABELAS
   ========================================================= */

.table-wrapper {
    width: 100%;
    overflow-x: auto;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

th,
td {
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--color-border);
}

th {
    font-weight: 700;
    color: var(--color-text);
    background: var(--color-bg-secondary);
}

td {
    color: var(--color-text-secondary);
}

tbody tr:hover {
    background: var(--color-surface-hover);
}

tbody tr:last-child td {
    border-bottom: 0;
}


/* =========================================================
   12. ALERTAS E ESTADOS
   ========================================================= */

.alert {
    padding: var(--space-4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg-secondary);
}

.alert--success {
    border-left: 4px solid var(--color-success);
}

.alert--warning {
    border-left: 4px solid var(--color-warning);
}

.alert--danger {
    border-left: 4px solid var(--color-danger);
}

.alert--info {
    border-left: 4px solid var(--color-info);
}


/* =========================================================
   13. UTILITÁRIOS
   ========================================================= */

.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.w-full {
    width: 100%;
}

.hidden {
    display: none !important;
}

.flex {
    display: flex;
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.gap-2 {
    gap: var(--space-2);
}

.gap-4 {
    gap: var(--space-4);
}

.mt-4 {
    margin-top: var(--space-4);
}

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

.p-4 {
    padding: var(--space-4);
}

.border {
    border: 1px solid var(--color-border);
}

.rounded {
    border-radius: var(--radius-md);
}

.shadow {
    box-shadow: var(--shadow-md);
}


/* =========================================================
   14. RODAPÉ
   ========================================================= */

.site-footer {
    padding-block: var(--space-6);
    margin-top: var(--space-7);

    color: var(--color-text-muted);
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
}


/* =========================================================
   15. RESPONSIVIDADE
   ========================================================= */

@media (max-width: 900px) {
    .grid-4,
    .grid-3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 600px) {
    :root {
        --container-padding: 1rem;
    }

    .grid,
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: minmax(0, 1fr);
    }

    .site-header__inner {
        align-items: flex-start;
        flex-direction: column;
        padding-block: var(--space-3);
    }

    .site-nav {
        gap: var(--space-3);
    }

    .section {
        padding-block: var(--space-5);
    }
}


/* =========================================================
   16. ACESSIBILIDADE E MOVIMENTO
   ========================================================= */
   
   @media (prefers-reduced-motion: reduce) {
       *,
       *::before,
       *::after {
           scroll-behavior: auto !important;
           animation-duration: 0.01ms !important;
           animation-iteration-count: 1 !important;
           transition-duration: 0.01ms !important;
        }
    }
    
/* =========================================================
    17. LAYOUT 
    ========================================================= */

    nav > div {
        border: nonde;
    }

    .brand-logo img {
        height: 15vh;
        margin: 2vh auto;
    }

    #bottom_gradient{
        position: absolute;
        bottom: 0px;
        width: 100%;

    }

    #badge_container {
        display: flex;
        flex-direction: row;
        align-items: center;
    }