/* ============================================================
   style.css
   Tema "Quadro-negro & Giz de Cera" + layout responsivo
   ============================================================ */

:root {
    /* Quadro-negro */
    --quadro-fundo: #234b3d;
    --quadro-fundo-escuro: #1a3a2f;
    --quadro-moldura: #6b4226;
    --quadro-moldura-escura: #4a2c18;

    --cor-card: #2c5647;
    --cor-card-borda: rgba(255, 255, 255, 0.25);
    --cor-texto: #f5f2e9;
    --cor-texto-suave: #cfd8c9;

    /* Giz de cera - cores vibrantes de status/acao */
    --giz-branco: #fdfdf6;
    --giz-amarelo: #ffd93d;
    --giz-laranja: #ff9f45;
    --giz-vermelho: #ff5d5d;
    --giz-rosa: #ff8fc7;
    --giz-azul: #5aa9ff;
    --giz-verde: #6bcb77;
    --giz-roxo: #b892ff;

    --cor-presente: var(--giz-verde);
    --cor-falta: var(--giz-vermelho);
    --cor-justificada: var(--giz-amarelo);
    --cor-sem-registro: #9aa1ac;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "Patrick Hand", "Segoe UI", Arial, sans-serif;
    background:
        radial-gradient(ellipse at top left, rgba(255,255,255,0.03), transparent 60%),
        radial-gradient(ellipse at bottom right, rgba(255,255,255,0.03), transparent 60%),
        var(--quadro-fundo);
    color: var(--cor-texto);
    font-size: 17px;
}

h1, h2, h3, h4 {
    font-family: "Kalam", "Patrick Hand", cursive;
}

/* ----------- Cabecalho / navegacao (moldura de madeira) ----------- */
header.topo {
    background: linear-gradient(180deg, var(--quadro-moldura), var(--quadro-moldura-escura));
    color: var(--giz-branco);
    padding: 14px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    border-bottom: 6px solid var(--quadro-moldura-escura);
    box-shadow: 0 3px 10px rgba(0,0,0,0.35);
}

header.topo h1 {
    font-size: 1.4rem;
    margin: 0;
    text-shadow: 1px 1px 0 rgba(0,0,0,0.25);
}

nav.menu {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

nav.menu a {
    color: var(--giz-branco);
    text-decoration: none;
    font-weight: 700;
    font-family: "Kalam", cursive;
    padding: 7px 14px;
    border-radius: 8px;
    border: 2px dashed transparent;
    font-size: 1.02rem;
}

nav.menu a:hover,
nav.menu a.ativo {
    border-color: var(--giz-amarelo);
    color: var(--giz-amarelo);
}

main {
    max-width: 1200px;
    margin: 24px auto;
    padding: 0 16px 40px;
}

/* ----------- Cartoes genericos (quadro-negro) ----------- */
.card {
    background: var(--cor-card);
    border: 2px dashed var(--cor-card-borda);
    border-radius: 12px;
    padding: 18px;
    margin-bottom: 20px;
    box-shadow: inset 0 0 40px rgba(0,0,0,0.15);
}

/* ----------- Navegacao de semana ----------- */
.navegacao-semana {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    gap: 10px;
    flex-wrap: wrap;
}

.navegacao-semana .periodo {
    font-family: "Kalam", cursive;
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--giz-amarelo);
}

button, .botao {
    cursor: pointer;
    border: 2px solid rgba(255,255,255,0.5);
    background: var(--giz-azul);
    color: #10241d;
    padding: 10px 16px;
    border-radius: 10px;
    font-weight: 700;
    font-family: "Kalam", cursive;
    font-size: 0.95rem;
    box-shadow: 0 3px 0 rgba(0,0,0,0.25);
}
button:hover, .botao:hover { filter: brightness(1.08); transform: translateY(1px); box-shadow: 0 2px 0 rgba(0,0,0,0.25); }
button:active, .botao:active { transform: translateY(3px); box-shadow: none; }

button.secundario { background: var(--giz-branco); color: #23392f; }
button.perigo { background: var(--giz-vermelho); color: #2a0d0d; }

/* ----------- Grade do calendario semanal ----------- */
.grade-semana {
    display: grid;
    grid-template-columns: repeat(7, minmax(150px, 1fr));
    gap: 10px;
    overflow-x: auto;
    padding-bottom: 6px;
}

.coluna-dia {
    background: rgba(0,0,0,0.15);
    border: 2px dashed rgba(255,255,255,0.3);
    border-radius: 10px;
    min-width: 150px;
}

.coluna-dia .cabecalho-dia {
    background: rgba(255,255,255,0.08);
    padding: 10px;
    text-align: center;
    border-radius: 8px 8px 0 0;
    border-bottom: 2px dashed rgba(255,255,255,0.25);
}

.coluna-dia .cabecalho-dia .nome-dia {
    font-family: "Kalam", cursive;
    font-weight: 700;
    display: block;
    color: var(--giz-branco);
    font-size: 1.05rem;
}

.coluna-dia .cabecalho-dia .data-dia {
    font-size: 0.85rem;
    color: var(--cor-texto-suave);
}

.lista-aulas {
    padding: 8px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-height: 60px;
}

.aula-card {
    border: 2px solid rgba(255,255,255,0.35);
    border-left: 6px solid var(--cor-sem-registro);
    border-radius: 8px;
    padding: 8px 10px;
    background: rgba(255,255,255,0.06);
    cursor: pointer;
    transition: transform 0.05s ease-in-out;
}
.aula-card:hover { transform: translateY(-1px); background: rgba(255,255,255,0.1); }

.aula-card.status-presente { border-left-color: var(--cor-presente); }
.aula-card.status-falta { border-left-color: var(--cor-falta); }
.aula-card.status-falta_justificada { border-left-color: var(--cor-justificada); }

.aula-card .horario {
    font-size: 0.8rem;
    color: var(--cor-texto-suave);
    font-weight: 700;
}

.aula-card .nome-aluno {
    font-family: "Kalam", cursive;
    font-weight: 700;
    margin-top: 2px;
    color: var(--giz-branco);
    font-size: 1.05rem;
}

.aula-card .selo-status {
    display: inline-block;
    margin-top: 4px;
    font-size: 0.72rem;
    padding: 2px 9px;
    border-radius: 20px;
    font-weight: 700;
    color: #16281f;
}
.selo-status.presente { background: var(--cor-presente); }
.selo-status.falta { background: var(--cor-falta); color: #fff; }
.selo-status.falta_justificada { background: var(--cor-justificada); }
.selo-status.sem_registro { background: var(--cor-sem-registro); color: #fff; }

.sem-aula {
    color: var(--cor-texto-suave);
    font-size: 0.8rem;
    text-align: center;
    padding: 10px 0;
}

/* ----------- Formularios ----------- */
label {
    display: block;
    font-weight: 700;
    font-family: "Kalam", cursive;
    margin: 10px 0 4px;
    font-size: 0.95rem;
    color: var(--giz-amarelo);
}

input, select, textarea {
    width: 100%;
    padding: 10px 10px;
    border: 2px solid rgba(255,255,255,0.4);
    border-radius: 8px;
    font-size: 1rem;
    font-family: "Patrick Hand", inherit;
    background: rgba(255,255,255,0.95);
    color: #16281f;
}

.linha-form {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}
.linha-form > div { flex: 1; min-width: 140px; }

/* ----------- Tabelas (com fallback responsivo para celular) ----------- */
table {
    width: 100%;
    border-collapse: collapse;
}
th, td {
    text-align: left;
    padding: 10px 8px;
    border-bottom: 1px dashed rgba(255,255,255,0.25);
    font-size: 0.95rem;
}
th {
    color: var(--giz-amarelo);
    font-family: "Kalam", cursive;
    font-size: 0.85rem;
    text-transform: uppercase;
}

.barra-progresso {
    background: rgba(255,255,255,0.15);
    border-radius: 20px;
    overflow: hidden;
    height: 10px;
    width: 100%;
}
.barra-progresso .preenchido {
    height: 100%;
    background: var(--cor-presente);
}

/* ----------- Modal ----------- */
.overlay-modal {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    padding: 14px;
}
.modal {
    background: var(--quadro-fundo-escuro);
    border: 3px dashed var(--giz-amarelo);
    border-radius: 12px;
    padding: 20px;
    width: 100%;
    max-width: 420px;
    max-height: 90vh;
    overflow-y: auto;
    color: var(--cor-texto);
}
.modal h3 { margin-top: 0; color: var(--giz-branco); }
.modal .acoes {
    display: flex;
    gap: 10px;
    margin-top: 16px;
    flex-wrap: wrap;
}
.oculto { display: none !important; }

.mensagem-erro {
    background: rgba(255, 93, 93, 0.18);
    color: var(--giz-vermelho);
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
    margin-top: 8px;
    border: 1px dashed var(--giz-vermelho);
}
.mensagem-sucesso {
    background: rgba(107, 203, 119, 0.18);
    color: var(--cor-presente);
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
    margin-top: 8px;
}

.acoes-topo-lista {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
    flex-wrap: wrap;
    gap: 10px;
}

.tag-inativo {
    background: var(--cor-sem-registro);
    color: #fff;
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: 20px;
    margin-left: 8px;
}

/* ============================================================
   RESPONSIVO - TABLET
   ============================================================ */
@media (max-width: 900px) {
    .grade-semana {
        grid-template-columns: repeat(7, 200px);
    }
}

/* ============================================================
   RESPONSIVO - CELULAR
   Empilha o calendario em uma coluna unica (rolagem vertical,
   sem precisar arrastar os dias pros lados) e transforma as
   tabelas em "cartoes" empilhados.
   ============================================================ */
@media (max-width: 640px) {
    body { font-size: 16px; }

    header.topo {
        padding: 10px 14px;
        justify-content: center;
        text-align: center;
    }
    header.topo h1 { font-size: 1.15rem; width: 100%; }
    nav.menu { width: 100%; justify-content: center; }
    nav.menu a { padding: 6px 10px; font-size: 0.92rem; }

    main { margin: 14px auto; padding: 0 10px 30px; }

    .card { padding: 12px; border-radius: 10px; }

    .navegacao-semana {
        justify-content: center;
        text-align: center;
    }
    .navegacao-semana .periodo { order: -1; width: 100%; text-align: center; }
    .navegacao-semana button { flex: 1; min-width: 110px; }

    /* Calendario vira uma coluna unica, cada dia ocupa a largura toda */
    .grade-semana {
        grid-template-columns: 1fr;
        overflow-x: visible;
    }
    .coluna-dia { min-width: 0; }

    /* Modais ocupam quase a tela toda, mais faceis de usar com o dedo */
    .modal { max-width: 100%; padding: 16px; }
    .modal .acoes { flex-direction: column; }
    .modal .acoes button { width: 100%; }

    /* Tabelas viram cartoes empilhados em vez de rolarem de lado */
    table, thead, tbody, th, td, tr { display: block; }
    thead {
        position: absolute;
        left: -9999px;
        top: -9999px; /* esconde o cabecalho da tabela original */
    }
    table tr {
        margin-bottom: 12px;
        border: 2px dashed rgba(255,255,255,0.3);
        border-radius: 10px;
        padding: 6px 10px;
        background: rgba(0,0,0,0.12);
    }
    table td {
        border-bottom: none;
        padding: 6px 4px;
        display: flex;
        justify-content: space-between;
        gap: 10px;
        text-align: right;
    }
    table td::before {
        content: attr(data-label);
        font-family: "Kalam", cursive;
        font-weight: 700;
        color: var(--giz-amarelo);
        text-align: left;
    }
    table td:last-child { justify-content: flex-end; }
}