:root {
    --bg-color: #f1f5f9;
    --card-bg: #ffffff;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --success: #16a34a;
    --success-hover: #15803d;
    --success-bg: #dcfce7;
    --success-text: #166534;
    --error-bg: #fee2e2;
    --error-text: #991b1b;
    --border-color: #e2e8f0;
}

/* =========================================
   ANIMAÇÃO DE ESCALA PARA BOTÕES E LINKS
   ========================================= */
.btn-animado,
a.btn-animado,
button.btn-animado {
    transition: all 0.2s ease;
}
.btn-animado:hover,
a.btn-animado:hover,
button.btn-animado:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Classes adicionais de animação */
.card-animado {
    transition: all 0.2s ease;
}
.card-animado:hover {
    transform: scale(1.01);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
}

.link-animado {
    transition: all 0.2s ease;
}
.link-animado:hover {
    transform: scale(1.02);
    text-decoration: underline;
}


.file-drop-area {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    border: 2px dashed #94a3b8;
    border-radius: 12px;
    background-color: #f8fafc;
    transition: all 0.3s ease;
    cursor: pointer;
    margin-bottom: 25px;
}
.file-drop-area.is-active, .file-drop-area:hover {
    border-color: var(--primary);
    background-color: #eff6ff;
}
.file-icon { font-size: 48px; color: var(--primary); margin-bottom: 15px; }
.file-msg { font-size: 16px; font-weight: 500; color: var(--text-main); }
.file-hint { font-size: 13px; color: var(--text-muted); margin-top: 8px; }
.file-input { position: absolute; left: 0; top: 0; height: 100%; width: 100%; cursor: pointer; opacity: 0; }

/* Alertas */
.alert {
    margin-top: 25px;
    padding: 16px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 500;
    text-align: left;
    line-height: 1.5;
}
.alert-success { background-color: var(--success-bg); color: var(--success-text); border: 1px solid #bbf7d0; }
.alert-error { background-color: var(--error-bg); color: var(--error-text); border: 1px solid #fecaca; }