/* styles.css - Estilos para o sistema gerenciador de tarefas "tad" */

/* Root: define as variáveis de design das fontes, cores e tamanhos de texto */
:root {
    /* Fontes */
    --font-sour-gummy: 'Sour Gummy', sans-serif;
    --font-noto-sans-mono: 'Noto Sans Mono', monospace;

    /* Tamanhos de Texto */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;

    /* Cores */
    --color-primary: #A1FF63;
    --color-primary-light: #dfffca;
    --color-primary-dark: #58A624;
    --color-primary-contrast: #182c00;

    --color-secondary: #f1a363;
    --color-secondary-light: #fcc5a5;
    --color-secondary-dark: #ca6d38;
    --color-secondary-contrast: #3b1a00;

    /* Cores Neutras */
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;

    /* Cores Semânticas */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-info: #643bf6;

    /* Cores Links */
    --color-link: #71d81d;
    --color-link-hover: #58A624;
    --color-link-contrast: #182c00;
    --color-link-secondary: #f1a363;
    --color-link-secondary-hover: #ca6d38;

    /* Cores de Fundo */
    --color-bg-primary: #f7fff2;
    --color-bg-secondary: #f4f6f3;
    --color-bg-terciary: #e7ebe5;

    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, #A1FF63 0%, #58A624 100%);
    --gradient-secondary: linear-gradient(135deg, #f1a363 0%, #ca6d38 100%);
    --gradient-gray: linear-gradient(135deg, #f9fafb 0%, #111827 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #047857 100%);
    --gradient-warning: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --gradient-error: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    --gradient-info: linear-gradient(135deg, #643bf6 0%, #4f3bf6 100%);
}


/* Font Sour Gummy 

<weight>: Use a value from 100 to 900
<uniquifier>: Use a unique and descriptive class name */

.sour-gummy-<uniquifier> {
    font-family: "Sour Gummy", sans-serif;
    font-optical-sizing: auto;
    font-weight: <weight>;
    font-style: normal;
    font-variation-settings:
        "wdth" 100;
}

/* Font Noto Sans Mono

<weight>: Use a value from 100 to 900
<uniquifier>: Use a unique and descriptive class name */

.noto-sans-mono-<uniquifier> {
    font-family: "Noto Sans Mono", monospace;
    font-optical-sizing: auto;
    font-weight: <weight>;
    font-style: normal;
    font-variation-settings:
        "wdth" 100;
}

/* Base Styles */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    display: grid;
    justify-content: center;
    scroll-behavior: smooth;
}

/* Body */
body {
    display: grid;
    grid-template-columns: 1fr minmax(auto, 1200px) 1fr;
    grid-template-areas:
        ". header ."
        ". main ."
        ". footer .";
    min-height: 100%;
    font-family: var(--font-noto-sans-mono);
    background-color: var(--color-bg-primary);
    color: var(--color-gray-900);
    line-height: 1.6;
    margin: 0;
    padding: 20px;
}

/* Titulos */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-sour-gummy);
    color: var(--color-primary-contrast);
    line-height: 1.6;
    margin-top: 1rem;
    margin-bottom: 1rem;
    text-align: center;
}

h1 {
    font-size: var(--text-4xl);
}

h2 {
    font-size: var(--text-3xl);
}

h3 {
    font-size: var(--text-2xl);
}

h4 {
    font-size: var(--text-xl);
}

h5 {
    font-size: var(--text-lg);
}

h6 {
    font-size: var(--text-base);
    font-weight: 800;
}

p {
    margin-top: 1rem;
    margin-bottom: 1rem;
    font-size: var(--text-base);
    font-weight: 400;
}

/* Header */
.header {
    grid-area: header;
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: auto auto;
    align-items: center;
    gap: 0.875rem;
    background: transparent;
    padding: 0.875rem 1rem;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}


.logo {
    width: 120px;
    height: 60px;
    justify-self: center;
    text-decoration: none;
    align-items: center;
}

.logo-icon {
    display: flex;
    align-items: center;
    line-height: 0;
}

.logo-icon img {
    display: block;
    width: auto;
    height: auto;
    max-height: 60px;
    /* Logo menor em mobile */
    max-width: 160px;
    object-fit: contain;
    transition: opacity 0.2s ease;
}

.logo:hover .logo-icon img {
    opacity: 0.8;
}

.nav {
    justify-self: center;
    width: 100%;
}

.nav ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    list-style: none;
    align-items: center;
    width: 100%;
}

.nav li {
    width: 100%;
    text-align: center;

}

.nav a {
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    color: var(--color-primary-contrast);
    transition: all 0.2s ease;
    letter-spacing: -0.01rem;
}

.nav a:hover {
    color: var(--color-primary-dark);
    transform: translateY(-1px);
}

.nav a:active {
    color: var(--color-primary-dark);
    transform: translateY(0);
}

.nav a:focus-visible {
    outline: 2px solid var(--color-primary-dark);
    outline-offset: 4px;
    border-radius: 4px;
}

.skip-line {
    display: none;
}

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

.hidden {
    display: none;
}

/* Conteúdo Principal */
.main {
    grid-area: main;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.section {
    background-color: var(--color-gray-50);
    border-radius: 1.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    padding: 2rem 1.5rem;
    width: 100%;
    max-width: 450px;
    transition: all 0.2s ease;
}

.section p {
    color: var(--color-gray-700);
    font-size: var(--text-base);
}

.form-signin {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-signin p {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-signin label {
    font-weight: 600;
    color: var(--color-gray-700);
}

.form-signin input,
.form-signin textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    font-family: var(--font-noto-sans-mono);
    font-size: var(--text-base);
    border: 1px solid var(--color-gray-300);
    border-radius: 0.75rem;
    transition: all 0.2s ease;
}

.form-signin input:focus,
.form-signin textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    color: var(--color-primary-dark);
}

.form-signin input::placeholder,
.form-signin textarea::placeholder {
    color: var(--color-gray-400);
    opacity: 0.5;
}

.btn-submit {
    background-color: var(--color-primary);
    color: var(--color-primary-contrast);
    border: none;
    padding: 0.75rem 1rem;
    font-family: var(--font-noto-sans-mono);
    font-size: var(--text-base);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border-radius: 2rem;
    width: 50%;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.btn-submit:hover {
    background-color: var(--color-secondary);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.btn-submit:active {
    background-color: var(--color-secondary-dark);
    transform: translateY(0);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.btn-submit:focus-visible {
    outline: 2px solid var(--color-secondary-dark);
    outline-offset: 4px;
}

.section a {
    color: var(--color-link);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s ease;
}

.section a:hover {
    color: var(--color-link-hover);
    text-decoration: underline;
}

/* Footer */
footer {
    grid-area: footer;
    background: transparent;
    color: var(--color-gray-900);
    font-size: var(--text-sm);
    opacity: 0.35;
    text-align: center;
    padding: 1.5rem 1rem;
    min-width: 100%;
}

/* ===============================================
   TABLET (min-width: 481px)
   Layout empilhado, mas navegação horizontal
   =============================================== */
@media (min-width: 481px) {
    body {
        padding: 1.5rem;
    }

    .header {
        gap: 1rem;
        padding: 1rem 1.5rem;
    }

    .logo-icon img {
        max-height: 44px;
        max-width: 180px;
    }

    .nav {
        width: auto;
    }

    .nav ul {
        /* links em linha */
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: 1.25rem;
    }

    .nav li {
        width: auto;
    }

    .nav a {
        display: inline-block;
        padding: 0.5rem 0.75rem;
        font-size: 1rem;
        background: transparent;
        border-radius: 0;
    }

    .nav a:hover {
        background: transparent;
        border-bottom-color: var(--color-info);
    }

    .nav a:active {
        background: transparent;
    }

    .section {
        padding: 2.5rem 2rem;
        max-width: 520px;
    }

    .form-signin input {
        padding: 0.9rem 1.1rem;
    }

    .btn-submit {
        padding: 0.9rem 1rem;
    }
}

/* ===============================================
   DESKTOP (min-width: 769px)
   Grid com duas colunas (logo à esquerda, nav à direita)
   =============================================== */
@media (min-width: 769px) {
    .header {
        /* logo largura automática, nav ocupa resto */
        grid-template-columns: auto 1fr;
        grid-template-rows: auto;
        gap: 1.5rem;
        padding: 1rem 2rem;
        max-width: 1400px;
        margin: 0 auto;
    }

    .logo {
        justify-self: start;
    }

    .logo-icon img {
        max-height: 48px;
        max-width: 180px;
    }

    .nav {
        justify-self: end;
        width: auto;
    }

    .nav ul {
        justify-content: flex-end;
        gap: 1.75rem;
    }

    .nav a {
        font-size: 1rem;
        padding: 0.5rem 0.25rem;
        border-radius: 0;
    }

    .section {
        padding: 2rem;
        max-width: 600px;
        border-radius: 1.5rem;
    }

    .form-signin {
        gap: 1.5rem;
    }

    .form-signin input {
        padding: 1rem 1.2rem;
    }

    .btn-submit {
        padding: 1rem;
    }

    .footer {
        padding: 1.75rem 2rem;
        font-size: var(--text-xs);
    }

}

/* ===============================================
   TELAS MUITO LARGAS (min-width: 1400px)
   Ajustes de espaçamento e fonte
   =============================================== */
@media (min-width: 1400px) {
    .header {
        padding: 1.25rem 2rem;
    }

    .nav ul {
        gap: 2.25rem;
    }

    .nav a {
        font-size: 1.05rem;
    }
}

/* ===============================================
   AJUSTES DE ACESSIBILIDADE E TOQUE
   =============================================== */
/* Melhora área de clique em dispositivos touch (já garantido nos estilos mobile) */
@media (pointer: coarse) {
    .nav a {
        padding: 0.6rem 0.75rem;
    }
}

/* Remove outline padrão, mantém personalizado */
.nav a:focus {
    outline: none;
}

.nav a:focus-visible {
    outline: 2px solid var(--color-primary-dark);
    outline-offset: 2px;
}

/* Redução de movimento */
@media (prefers-reduced-motion: reduce) {

    .nav a,
    .logo-icon img {
        transition: none;
    }
}