.student-dashboard {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 22px;
    align-items: start;
}

.student-sidebar {
    position: sticky;
    top: 94px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: #ffffff;
    padding: 20px;
    box-shadow: 0 12px 30px rgba(15, 58, 95, 0.08);
}

.student-sidebar-kicker {
    margin: 0;
    font-size: 0.74rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--brand-700);
}

.student-sidebar h1 {
    margin: 10px 0 20px;
    font-size: 1.35rem;
}

.student-nav {
    display: grid;
    gap: 10px;
}

.student-nav-item {
    border: 1px solid var(--line);
    background: #f9fcff;
    border-radius: 14px;
    text-align: left;
    padding: 12px 14px;
    color: var(--ink);
    cursor: pointer;
    transition: background-color 160ms ease, border-color 160ms ease;
}

.student-nav-item span {
    display: block;
    font-weight: 800;
}

.student-nav-item small {
    display: block;
    margin-top: 3px;
    color: var(--muted);
    font-size: 0.79rem;
}

.student-nav-item:hover,
.student-nav-item:focus-visible,
.student-nav-item.is-active {
    border-color: rgba(43, 126, 191, 0.35);
    background: rgba(43, 126, 191, 0.12);
    outline: none;
}

.student-content {
    min-width: 0;
}

.student-panel {
    display: none;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: #ffffff;
    padding: clamp(18px, 3vw, 26px);
    box-shadow: 0 12px 30px rgba(15, 58, 95, 0.08);
}

.student-panel.is-active {
    display: block;
}

.student-panel-kicker {
    margin: 0;
    font-size: 0.74rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--brand-700);
}

.student-panel-header h2 {
    margin: 8px 0 0;
    font-size: clamp(1.3rem, 2.6vw, 1.8rem);
}

.student-overview-grid {
    margin-top: 20px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.student-filter-nav {
    margin-top: 18px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.student-filter-chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: #f9fcff;
    color: var(--ink);
    font-size: 0.82rem;
    font-weight: 700;
    padding: 8px 12px;
    text-decoration: none;
    transition: background-color 160ms ease, border-color 160ms ease;
}

.student-filter-chip:hover,
.student-filter-chip:focus-visible,
.student-filter-chip.is-active {
    border-color: rgba(43, 126, 191, 0.35);
    background: rgba(43, 126, 191, 0.12);
    outline: none;
}

.student-card {
    border: 1px solid var(--line);
    background: #fbfdff;
    border-radius: 14px;
    padding: 14px;
}

.student-card h3 {
    margin: 0;
    font-size: 0.92rem;
    color: var(--muted);
}

.student-card p {
    margin: 8px 0 0;
    font-size: 1.08rem;
    font-weight: 800;
}

.student-list {
    margin-top: 20px;
    display: grid;
    gap: 12px;
}

.student-list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 14px;
    background: #fbfdff;
}

.student-list-item h3 {
    margin: 0;
    font-size: 1rem;
}

.student-list-item p {
    margin: 6px 0 0;
    color: var(--muted);
    font-size: 0.9rem;
}

.student-action-link {
    text-decoration: none;
    font-weight: 800;
    color: #ffffff;
    background: linear-gradient(130deg, var(--brand-500), var(--brand-700));
    border-radius: 10px;
    padding: 9px 12px;
    white-space: nowrap;
}

.student-comprovante-form {
    display: grid;
    gap: 8px;
    min-width: 240px;
}

.student-comprovante-form input[type="file"],
.student-comprovante-form input[type="text"] {
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 8px;
    font-size: 0.85rem;
    background: #fff;
}

.student-feedback {
    display: block;
    margin-top: 10px;
    color: var(--brand-700);
    font-weight: 700;
}

.student-status-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 12px;
    border-radius: 999px;
    border: 1px solid rgba(43, 126, 191, 0.3);
    background: rgba(43, 126, 191, 0.12);
    color: var(--brand-700);
    font-size: 0.8rem;
    font-weight: 700;
}

.student-status-pill.is-success {
    border-color: rgba(24, 138, 84, 0.35);
    background: #e5f3eb;
    color: #0f4f30;
}

.student-bottom-nav {
    display: none;
}

@media (max-width: 980px) {
    .student-dashboard {
        grid-template-columns: 1fr;
    }

    .student-sidebar {
        display: none;
    }

    .student-content {
        padding-bottom: 88px;
    }

    .student-overview-grid {
        grid-template-columns: 1fr;
    }

    .student-list-item {
        flex-direction: column;
        align-items: flex-start;
    }

    .student-bottom-nav {
        display: grid;
        grid-template-columns: repeat(4, minmax(0, 1fr));
        position: fixed;
        left: 12px;
        right: 12px;
        bottom: 12px;
        border: 1px solid var(--line);
        border-radius: 16px;
        background: rgba(255, 255, 255, 0.96);
        box-shadow: 0 14px 30px rgba(15, 58, 95, 0.18);
        z-index: 60;
        overflow: hidden;
    }

    .student-bottom-nav-item {
        border: none;
        background: transparent;
        padding: 12px 6px;
        color: var(--muted);
        font-weight: 800;
        font-size: 0.79rem;
        cursor: pointer;
    }

    .student-bottom-nav-item.is-active {
        background: rgba(43, 126, 191, 0.12);
        color: var(--brand-700);
    }
}